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Metal Topcoats

At Rawlins Paints, we understand the critical importance of selecting the right metal topcoat to achieve the desired finish on both interior and exterior surfaces. Whether your project involves small-scale touch-ups or large industrial applications, our extensive range of metal topcoats, available in over 4,400 colour options—including the ever-popular RAL 7016 Anthracite Grey—ensures that you’ll find the perfect solution to meet your specific requirements.

Metal topcoats are essential for protecting and beautifying metal surfaces, offering a final layer of defence against environmental factors such as corrosion, weathering, and chemical exposure. These topcoats not only enhance the durability and longevity of the underlying material but also provide an aesthetically pleasing finish that can range from high gloss to satin, matt, or metallic. Click for more info.

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Rust-Oleum Hard Hat Topcoat | Multi-Surface Aerosol Paint

Rust-Oleum Hard Hat Topcoat

Available in a 45 colours and 3 finishes. For metal, wood, concrete, and more. Provides excellent adhesion and coverage. Internal and external use.

Price £13.46 (incl. VAT)
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Rust-Oleum 7500 Alkythane | 4,400+ Colours | High-Build Corrosive Protection

Rust-Oleum 7500 Alkythane

4,400+ Colours in a Satin or Gloss finish. For metal surfaces, primed or previously coated. High opacity and corrosion protection. Enhanced with polyurethane for extra durability. Ideal for low-temp applications. Buy A Colour Paint Sample

Price £123.12 (incl. VAT)
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Jotun Hardtop XP Gloss Topcoat Paint | Available in 1,700+ Colours

Jotun Hardtop XP

An on-site friendly, glossy polyurethane topcoat for most epoxy systems where a durable, weather-resistant finish is required in a wide range of aggressive atmospheres. Jotun Hardtop XP is one of the most popular polyurethane topcoats – protecting millions of square metres every year. Another Jotun paint that can be applied by airless spray,...

Price £78.10 (incl. VAT)
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Teamac Metalcote Plant Enamel | 2,400+ colours | Farm Machinery Paint

Teamac Metalcote Plant Enamel

2,500+ Colours. High-gloss, flexible enamel paint designed for use on all industrial machinery. Excellent resistance to lubricating and mineral oils, common industrial chemicals, and heat. High resistance to environmental factors. Buy A Colour Paint Sample

Price £22.51 (incl. VAT)
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Jotun Pilot II | Available in 1,300+ Colours

Jotun Pilot II

Jotun Pilot II is a one component oxidatively drying alkyd coating from Jotun that has a gloss finish with good gloss retention. To be used as a topcoat in atmospheric environments. Jotun Pilot II is recommended as a topcoat, and for touch-up purposes for marine engines, topside, deck and superstructure areas and for a wide range of...

Price £51.65 (incl. VAT)
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Sherwin-Williams Acrolon C137V2 | Available in 450+ Colours

Sherwin-Williams Acrolon C137V2

A high performance, fast drying acrylic urethane gloss finish in 450+ colours for use where long term exterior gloss and colour retention characteristics are required. Suitable for use as a final coat(s) in conjunction with epoxy or polyurethane based protective systems for new construction or maintenance purposes Please note: Also...

Price £106.16 (incl. VAT)
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International Interthane 990

International Interthane 990

International Interthane 990 is a two component acrylic polyurethane finish giving excellent durability and long term recoatability. Across the world, people are experiencing flexible application, extended recoat windows and reduced surface preparation costs with International Interthane 990 in both new construction and as a maintenance...

Price £131.14 (incl. VAT)
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International Interlac 665 | 4,600+ Colours

International Interlac 665

International Interlac 665 is a single component alkyd gloss enamel finish. Maintenance coating for use in a wide range of industrial environments including offshore, petrochemical and chemical plants  Suitable for areas of limited chemical exposure where an economical single pack finish coat is required Cosmetic finish coat for alkyd...

Price £66.80 (incl. VAT)
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PPG SigmaDur 550 | Available in 2200+ colours

PPG SigmaDur 550

PPG SigmaDur 550, a two-component, aliphatic acrylic polyurethane finish with excellent resistance to atmospheric exposure conditions that cures at temperatures down to -5°C (23°F). Available in 2,600+ colours, inc. RAL, BS, NCS & the new NCS 2050 colours Can be recoated unlimited times Used on the exterior of the Padma Multipurpose...

Price £72.48 (incl. VAT)
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Sherwin-Williams Acrolon 7300 | Available in 450+ Colours

Sherwin-Williams Acrolon 7300

Sherwin-Williams Acrolon 7300 is a high solids, tin free polyurethane, with fast drying and high gloss attributes. Acrolon 7300 can suitable for use where long term exterior gloss and colour retention characteristics are required. Gloss levels: Gloss: 70%+ Semi-Gloss - approx. 40% Available in 450+ colours Professional use only -...

Price £128.69 (incl. VAT)
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Teamac Rapidry QD Enamel | 4000+ Colours | Protective Industrial Gloss

Teamac Rapidry QD Enamel

4,000+ Colours. Industrial gloss finish designed for metal surfaces. For structural steel and metal fabrications. Quick-drying properties. Excellent adhesion and resistance to wear. Buy A Colour Paint Sample

Price £19.54 (incl. VAT)
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Jotun Hardtop HB | Available in 1,600+ Colours

Jotun Hardtop HB

Jotun Hardtop HB is a two component chemically curing aliphatic acrylic polyurethane coating that has a matt finish with very good gloss retention. It is a high build product that can be used as a topcoat in atmospheric environments. Jotun Hardtop HB is recommended for topside, deck and superstructure areas in the marine industry. Now...

Price £88.97 (incl. VAT)
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Rust-Oleum 2115 Aluminium

Rust-Oleum Hard Hat 2115 Aluminium

Gloss or sparkling metallic colour. For bare metal, galvanised, zinc primers, or anti-rust primers. Ideal for small maintenance jobs, touchups, light industrial exposures, normal humidity, and interior applications. Touch dry in 15 minutes, handle in 30 minutes. Withstands up to 100°C.

Price £15.44 (incl. VAT)
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Sherwin-Williams Acrolon C237 | Available in 450+ Colours

Sherwin-Williams Acrolon C237

Sherwin-Williams Acrolon C237 (formerly Resistex C237) is a high performance fast drying acrylic urethane sheen finish for use where long term exterior colour retention characteristics are required. It is suitable for use as final coat or coats in conjunction with epoxy or polyurethane based protective systems for new construction or...

Price £153.02 (incl. VAT)
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PPG SigmaDur 520 Metal Finish | 500+ Colour Options

PPG SigmaDur 520

PPG SigmaDur 520, a two-component, high-build semi-gloss aliphatic acrylic polyurethane finish that can be recoated an unlimited amount, with excellent resistance to atmospheric exposure conditions. Available in 2,300+ colours, inc. RAL, BS, NCS & the new NCS 2050 colours Easy application by roller and airless spray - Can be recoated...

Price £90.60 (incl. VAT)
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Jotun Hardtop One | Available in 1,500 Colours

Jotun Hardtop One

Jotun Hardtop One is a one component moisture curing acrylic polysiloxane resin based coating. The product does not contain isocyanates, neither does it generate di-isocyanates during hotwork / welding or fire accidents. It has excellent gloss and colour retention. It is a high solids product. The product is fully recoatable at any stage of...

Price £171.65 (incl. VAT)
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International Intergard 740 | 4,600+ Colours

International Intergard 740

International Intergard 740 is a two component epoxy finish coat. Suitable for brush, roller and spray application Suitable for use in a wide range of environments including offshore structures, petrochemical facilities, bridges, pulp and paper mills, and the power industry 4,800+ colours, inc. RAL, RAL Design & Effect, BS, NCS &...

Price £109.32 (incl. VAT)
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Rust-Oleum 2116 Stainless Steel Coating

Rust-Oleum Hard Hat 2116 Stainless Steel Coating

Available in a stainless steel finish. A high-performance metallic coating designed for enhanced durability. For use on prepared and primed metal substrates. Anti-corrosive properties. High chemical and UV resistance.

Price £15.44 (incl. VAT)
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Jotun Hardtop AX | Available in 1,700+ Colours

Jotun Hardtop AX

Jotun Hardtop AX is a two component chemically curing aliphatic acrylic polyurethane coating that has a high gloss finish with very good gloss retention. It has good chemical resistance and is a high solids product. It should be used as a topcoat in atmospheric environments. Jotun Hardtop AX is recommended for topside, deck and...

Price £102.96 (incl. VAT)
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Carboline Carbothane 134 HP | Available in 350+ Colours

Carboline Carbothane 134 HP

Carboline Carbothane 134 HP is a two-component, high-gloss, and high-solid polyurethane topcoat, which can be easily sprayed with conventional as well as airless equipment. The coating has excellent flow and application properties which provides a smooth, durable, and easy to clean surface. Excellent weatherability Excellent flexibility...

Price £106.74 (incl. VAT)
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Hempel Hempathane Topcoat 55210 | Glossy Polyurethane Topcoat

Hempel Hempathane Topcoat 55210

Hempathane Topcoat 55210 is a glossy polyurethane topcoat that is cured with aliphatic isocyanate and delivers good gloss and colour retention. Recommended as a finishing coat for protection of structural steel in severely corrosive atmospheric environment, where colour fastness and gloss retention are required Complies with EU Directive...

Price £74.98 (incl. VAT)
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Tikkurila Temadur 50 | General Purpose Metal Topcoats

Tikkurila Temadur 50

Time-proven, easy-to-use general purpose topcoat in 4,000+ colours for constructional steelwork and machinery, with a wide range of colours to choose from. Two-component, durable and non-chalking semi-gloss polyurethane paint, hardener aliphatic isocyanate. Forms a durable, easy-to-clean and non-chalking topcoat with good gloss and colour...

Price £62.33 (incl. VAT)
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Jotun Hardtop CA | Available in 1,700+ Colours

Jotun Hardtop CA

We no longer stock this product; please contact our technical team on 0113 2455450 (option 2) or send a message to [email protected] where we will be happy to find an alternative product.

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International Interthane 870 | Low Temperature Paints | 4,600+ Colours Available

International Interthane 870

International Interthane 870 is high build which means it can reduce the number of coats you require and keep costs to a minimum. Semi-gloss and available in 4,800+ colours (including RAL 9007 Grey Aluminium), International Interthane 870 delivers excellent cosmetics and extended recoatability in both new construction and as an industrial...

Price £140.32 (incl. VAT)
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Jotun Penguard Topcoat | Available in 1,000+ Colours

Jotun Penguard Topcoat

Jotun Penguard Topcoat is a two component polyamide cured high molecular weight epoxy coating that has a gloss finish with fair gloss retention. To be used as topcoat in atmospheric and immersed environments. To be used as topcoat in atmospheric and immersed environments. Now available in 1,000+ colours, including RAL, NCS, BS and Jotun...

Price £68.40 (incl. VAT)
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International Intergard 1735 | 4,600+ Colours

International Intergard 1735

International Intergard 1735 is a high performance, low VOC, water borne two component epoxy with a high gloss finish.  Tough, hard wearing chemically resistant epoxy finish Suitable for most circumstances where the odour or emissions from solvent based coatings are unacceptable 4,800+ colours, inc. RAL, RAL Design & Effect, BS, NCS...

Price £139.45 (incl. VAT)
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Sherwin-Williams Kem-Kromik 530 | Available in 400+ Colours

Sherwin-Williams Kem-Kromik 530

Kem-Kromik 530 (formerly known as Sherwin-Williams C530 or as Leighs C530) is a high quality, quick drying, lead free single pack alkyd gloss finish for interior and exterior surfaces, ideally suited for equipment manufacturers and for structural steelwork. Kem-Kromik 530 possesses excellent gloss and colour retention and outstanding...

Price £118.43 (incl. VAT)
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International Interfine 629HS | 4,600+ Colours

International Interfine 629HS

International Interfine 629HS is a low VOC, high performance, two component, isocyanate free crosslinking acrylic finish which provides good durability in terms of colour and gloss retention. Designed as a finish coat for use in both new construction and industrial maintenance. For use in a wide variety of aggressive environments including...

Price £155.29 (incl. VAT)
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International Interfine 878 | 4,600+ Colours

International Interfine 878

International Interfine 878 is a high performance, two component, high solids finish which contains no free isocyanates, offers compliance to current VOC legislation, and affords extended lifetime to first maintenance when utilised as part of a high performance anticorrosive system. A step change in long term colour and gloss compared to...

Price £442.00 (incl. VAT)
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Tor Quick Drying Machinery Enamel | Metal Topcoats

Tor Quick Drying Machinery Enamel

Tor Quick Drying Machinery Enamel finishes factory machinery, tools, agricultural implements, etc, applying by airless spray. Available in over 2,400+ colours from RAL and BS 1L only available in colours mixed on a TR base - full colour selection for 5L size Quick drying Touch dry in 30 minutes Hard dry after 2 hours An...

Price £22.96 (incl. VAT)
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PPG SigmaFast 40 | 2200+ colours

PPG SigmaFast 40

PPG SigmaFast 40 is a one component, high-build finish coating based on modified alkyd resin that is suitable for atmospheric exposure conditions. Fast drying with good gloss and colour retention - not suitable for immersion in water. Available in 2,300+ colours, inc. RAL, BS, NCS & the new NCS 2050 colours Suitable for atmospheric...

Price £70.67 (incl. VAT)
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Sherwin-Williams M262 | Available in 400+ Colours

Sherwin-Williams Macropoxy M262

Sherwin-Williams Macropoxy M262 (formerly Epigrip M262) is a 2-pack epoxy high build gloss finish for interior or exterior use in conjunction with appropriate primers and undercoats. It is suitable for application on concrete floors. Available in 400+ colours, including RAL and BS Order a Colour Sample

Price £144.31 (incl. VAT)
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International Interfine 691 | 4,600+ Colours

International Interfine 691

International Interfine 691 is a two pack, epoxy acrylic isocyanate free cosmetic finish providing good long term durability. International Interfine 691 offers equivalent performance to typical recoatable polyurethane cosmetic finishes. Designed as a finish coat for use in both new construction and industrial maintenance. For use in a wide...

Price £148.82 (incl. VAT)
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Metal Topcoats: Comprehensive Solutions for Superior Surface Protection

Understanding the Difference Between Metal Topcoats and Metal Paints

While the terms "metal topcoat" and "metal paint" are often used interchangeably, they refer to distinct components within a protective coating system. Metal paint is an umbrella term encompassing all types of coatings formulated for application on metal substrates, including primers, undercoats, and topcoats. Each of these layers serves a specific function within the coating system. Primers are applied to enhance adhesion to the substrate and provide an initial barrier against corrosion. Undercoats are used to create a smooth, uniform surface, optimising the adhesion and visual consistency of the topcoat.

Metal topcoats, by contrast, are specifically engineered as the final layer in the coating process. Their primary role is to provide both aesthetic and functional finishes. Topcoats are formulated to offer a range of finishes—from high gloss to matt—while also delivering critical protection against environmental stressors. These coatings encapsulate the entire system, safeguarding the underlying layers and the metal substrate from degradation caused by UV radiation, moisture, chemicals, and mechanical wear. Thus, the topcoat is integral not only for its decorative qualities but also for enhancing the overall durability and performance of the coating system.

 

The Importance of Metal Topcoats

Metal topcoats are a critical component in the protective coating systems used on metal surfaces, particularly in environments subject to severe exposure. While primers and undercoats establish the foundation of adhesion and initial protection, it is the topcoat that must endure the most direct exposure to environmental stressors. As such, topcoats are designed to deliver high-performance resistance against a range of challenges, including ultraviolet (UV) degradation, corrosion from moisture, and chemical attack. This makes them indispensable in industrial, maritime, and external architectural applications, where long-term protection and material integrity are paramount.

In addition to their protective functions, metal topcoats play a pivotal role in defining the visual and tactile qualities of the finished surface. The selection of a topcoat must therefore account for both the operational environment and the desired aesthetic outcome. Factors such as the type of exposure—be it chemical, UV, or mechanical—and the specific finish required, such as gloss, satin, or metallic, must be carefully evaluated. Properly selected and applied, metal topcoats ensure that the coating system performs optimally throughout its service life, preserving both the functionality and appearance of the metal substrate.

 

Understanding Different Types of Metal Topcoats

Acrylic Polyurethane Topcoats

Acrylic polyurethane topcoats, like International Interthane 990, are known for their durability, flexibility, and UV resistance. These topcoats are ideal for large-scale exterior projects such as bridges, mills, offshore structures, and industrial facilities. Interthane 990 offers excellent colour retention and a high-gloss finish, making it a popular choice for applications where both aesthetics and longevity are critical. Available in a wide range of colours, including metallic options, this topcoat guarantees a long-lasting protective finish even in the most challenging environments.

 

Epoxy Topcoats

Epoxy topcoats, such as International Intergard 740, provide exceptional chemical resistance and are often used in environments where surfaces are exposed to aggressive chemicals or high humidity. Intergard 740 is a two-component epoxy finish that can be applied by brush or spray, offering versatility in application. It is suitable for use on steel structures, tanks, and pipelines, and comes in a wide spectrum of colours, from white to black, ensuring that you can achieve the desired look while maintaining robust protection.

 

Polyurethane Topcoats

Polyurethane topcoats like Jotun Hardtop XP are renowned for their high-gloss finish and superior resistance to atmospheric conditions. These topcoats are particularly effective when used over a suitable primer, providing a tough, durable coating that stands up to the rigours of outdoor exposure. Hardtop XP is ideal for use on steel structures that are subject to harsh weather, making it a preferred choice for offshore platforms, refineries, and industrial plants.

 

Industrial-Grade Topcoats

For heavy-duty industrial applications, such as lining steel tanks or protecting marine structures, products like International Interline 975 are indispensable. This topcoat offers massive resistance to corrosion and is safe for use in potable water environments. Its tough, glossy finish ensures that even in the harshest conditions, the integrity of the structure is maintained. The ease of application with standard spray equipment also makes Interline 975 a practical choice for on-site work.

 

Anti-Corrosive Metal Topcoats

In environments where metal surfaces are exposed to moisture, chemicals, or extreme temperatures, anti-corrosive topcoats are essential. Rust-Oleum 7500 Alkythane is a high-performance, single-pack anti-corrosion topcoat that is ideal for use in low temperatures as low as 5°C. This topcoat provides the same level of protection with fewer layers than other alkyd systems and is available in various finishes, including gloss, satin, matt, and metallic. Its long-lasting, industrial-duty protection makes it an excellent choice for aggressive environments, including marine and coastal settings.

 

Enamel Paints for Metal

Enamel paints are commonly used in commercial and industrial projects where a hard, durable finish is required. These paints typically leave a glossy finish and are favoured for their decorative effect and ability to withstand heat changes. Modern enamel paints, such as Teamac Rapidry QD Enamel and Teamac Metalcote Plant Enamel, are available in both solvent and water-based formulations, offering flexibility in application. High-temperature enamel paints are especially useful for automotive projects, such as coating engines, brakes, and exhaust systems.

 

Aluminium Paints

Aluminium paints offer long-lasting, heat-resistant protection for both interior and exterior surfaces. Blackfriar Aluminium Paint and Teamac Extra Brilliant Aluminium Paint are popular choices for applications requiring a high metallic sheen, such as car wheels, gates, railings, and pipework. These paints provide excellent heat and light reflectivity and are resistant to temperatures up to 150°C, making them ideal for use in environments where heat resistance is a priority.

 

High Gloss Metal Paints

High-gloss metal paints not only provide enhanced protection against chemicals, acids, and high humidity but also deliver a striking visual appeal with their ‘wet look’ finish. Rust-Oleum 9600 Rust-O-Thane Polyurethane is a flexible, high-gloss topcoat that offers superior protection in harsh environments, making it a preferred choice for surfaces exposed to cleaning products and solvents.

 

Gold Paint Finishes

For decorative applications, Ardenbrite Metallic Paint offers a range of lustrous gold finishes, perfect for adding a touch of elegance to metal surfaces. Available in various shades of gold, silver, bronze, and antique finishes, Ardenbrite paints are ideal for redecorating staircases, statues, gates, and railings. These finishes are also available in water-based formulations, providing a durable and environmentally friendly option for adding metallic details to a variety of surfaces.

 

Tailored Solutions for Every Sector

Metal topcoats are essential across various sectors, providing protection, durability, and an aesthetically pleasing finish to a wide range of surfaces. Whether you’re a DIY enthusiast, a commercial contractor, or involved in large-scale industrial projects, choosing the right topcoat is crucial for the success and longevity of your work.

 

DIY and Domestic Customers

For DIY and domestic customers, metal topcoats offer an accessible solution to protect and beautify everyday items around the home. These topcoats are perfect for smaller projects where ease of application and quick drying times are essential.

  • Common Projects:
    • Garage Doors: Metal garage doors are prone to rust and fading over time. Using a product like Rust-Oleum CombiColor Original ensures that the garage door not only looks fresh but is also protected from the elements.
    • Gates and Railings: Outdoor gates and railings face constant exposure to weather conditions, which can lead to rust and degradation. CombiColor Multi-Surface Paint offers a quick and easy solution to refresh these surfaces, with a range of finishes to match any exterior decor.
    • Garden Furniture: Metal garden furniture can be revitalised with a coat of Jotun Hardtop XP, offering both a durable and attractive finish that withstands the rigours of outdoor use.
  • Surface Types:
    • Steel and Aluminium: Many domestic projects involve steel and aluminium, such as garden gates, metal fences, and garage doors. These materials benefit from topcoats that provide both corrosion resistance and a decorative finish.
    • Wood and Plastics: While primarily designed for metal, certain topcoats like CombiColor Multi-Surface Paint can also be applied to wood and rigid plastics, making them versatile for various DIY projects.

 

Commercial Users

In the commercial sector, metal topcoats are vital for maintaining the appearance and structural integrity of properties and assets. Commercial users require topcoats that not only look good but also offer long-lasting protection against wear and environmental damage.

  • Common Projects:
    • Cladding: Building cladding, especially in urban environments, is subject to pollution and weathering. A topcoat like International Interthane 990 provides a protective barrier that helps maintain the appearance of commercial properties.
    • Shopfronts: Metal shop fronts need to look professional and inviting while being durable enough to handle daily exposure to the elements. Rust-Oleum 9600 Rust-O-Thane Polyurethane offers a high-gloss finish that’s resistant to cleaning chemicals and weathering.
    • Commercial Doors and Shutters: High-traffic areas like commercial doors and shutters require a robust topcoat that can withstand frequent use. Teamac Rapidry QD Enamel is ideal for these applications, providing a tough, durable finish.
  • Surface Types:
    • Aluminium and Galvanised Steel: Common in commercial settings for cladding, doors, and shopfronts. These materials need topcoats that can adhere well and provide protection against corrosion and environmental factors.
    • Concrete and Masonry: Certain commercial projects may involve concrete or masonry surfaces that require a durable finish, such as Rust-Oleum B95 High Build Flexible Epoxy, which offers flexibility and corrosion resistance in demanding environments.

 

Industrial Users

Industrial environments present some of the harshest conditions for metal surfaces, with exposure to chemicals, moisture, and extreme temperatures. Metal topcoats used in these settings must offer superior protection and durability.

  • Common Projects:
    • Tanks and Pipelines: In industries like oil and gas, storage tanks and pipelines are exposed to corrosive substances. International Interline 975 provides a tough, glossy finish that resists corrosion and is safe for use in potable water.
    • Industrial Machinery: Machinery in factories or processing plants needs protection from oils, chemicals, and abrasion. Rust-Oleum 7500 Alkythane offers high-performance protection with the added benefit of low-temperature application.
    • Pylons and Towers: Structures such as pylons and transmission towers, which are exposed to all weather conditions, benefit from the use of Jotun Hardtop XP, a topcoat that provides a high-gloss, weather-resistant finish.
  • Surface Types:
    • Steel and Iron: Steel and iron are commonly used in industrial settings for structural components, tanks, and machinery. These materials require topcoats that offer maximum corrosion protection, chemical resistance, and durability.
    • Concrete: Certain industrial projects, such as warehouse floors or walls, may involve concrete surfaces that need a protective coating. Rust-Oleum B95 High Build Flexible Epoxy is an excellent choice for these applications.

 

Agricultural Users

In the agricultural sector, metal topcoats are crucial for protecting equipment and structures that are frequently exposed to harsh outdoor conditions, chemicals, and heavy use.

  • Common Projects:
    • Farm Machinery: Agricultural machinery such as tractors and harvesters require topcoats that can withstand exposure to oils, chemicals, and the elements. Teamac Metalcote Plant Enamel provides a tough, flexible finish ideal for this purpose.
    • Barns and Sheds: Metal structures like barns and sheds are often exposed to moisture and UV light. CombiColor Original offers long-lasting protection against rust and weathering, ensuring these structures remain in good condition.
    • Fencing: Metal fencing around farms must endure constant exposure to the environment. Rust-Oleum 7500 Alkythane is a great option for protecting fencing, providing a durable, weather-resistant finish.
  • Surface Types:
    • Galvanised Steel and Aluminium: Common in agricultural buildings and machinery, these surfaces need topcoats that offer robust protection against rust, corrosion, and the elements.
    • Wood and Metal Combinations: Many agricultural projects involve a combination of wood and metal, such as in barn doors or machinery. A versatile topcoat like CombiColor Multi-Surface Paint can be used to provide protection and a uniform finish across different materials.

 

Contractors in the Trade or Public Sector

Contractors working in the trade or public sector often require high-performance topcoats that meet specific regulatory standards and are suitable for large-scale projects.

  • Common Projects:
    • Public Infrastructure: Bridges, overpasses, and tunnels need topcoats that offer maximum protection against environmental factors such as salt spray, pollution, and UV exposure. International Intergard 740 is an epoxy finish that’s well-suited for these demanding applications.
    • Schools and Public Buildings: Metal surfaces in schools, hospitals, and other public buildings must be both durable and aesthetically pleasing. Rust-Oleum 9600 Rust-O-Thane Polyurethane provides a high-gloss, easy-to-clean finish that is perfect for high-traffic areas.
    • Street Furniture: Benches, railings, and other public amenities need to withstand constant use and exposure to the elements. CombiColor Original Aerosols offer a quick and effective way to refresh and protect these surfaces.
  • Surface Types:
    • Steel, Iron, and Aluminium: Common materials in public infrastructure projects, these surfaces require topcoats that offer excellent adhesion, corrosion resistance, and longevity.
    • Concrete and Masonry: Public sector projects often involve concrete or masonry surfaces, such as walls and pillars, which need durable coatings to protect against wear and environmental damage.

 

FAQs About Metal Topcoats Across Sectors

What is a metal topcoat, and why is it important?

A metal topcoat is the final layer of paint or coating applied to a metal surface, providing protection against corrosion, weathering, and environmental damage. It also enhances the aesthetic appeal of the surface, offering a range of finishes from high gloss to matt.

What are the differences between acrylic polyurethane and epoxy topcoats?

Acrylic polyurethane topcoats, like International Interthane 990, offer flexibility, UV resistance, and excellent colour retention, making them ideal for exterior applications. Epoxy topcoats, such as International Intergard 740, provide superior chemical resistance and are better suited for environments exposed to aggressive chemicals or high humidity.

How do I choose the right metal topcoat for my project?

Choosing the right metal topcoat depends on several factors, including the type of substrate, environmental exposure, and the desired finish. Consider the specific needs of your project, such as corrosion resistance, durability, and aesthetic requirements, to select the most appropriate topcoat.

Can metal topcoats be used on surfaces other than metal?

While metal topcoats are designed primarily for metal surfaces, some products, like CombiColor Multi-Surface Paint, can be used on a variety of substrates, including wood, masonry, and plastic. Always check the manufacturer’s recommendations to ensure compatibility.

What is the benefit of using anti-corrosive metal topcoats?

Anti-corrosive metal topcoats, like Rust-Oleum 7500 Alkythane, provide an additional layer of protection against rust and corrosion, making them ideal for environments with high moisture, chemical exposure, or extreme temperatures.

How should I prepare a metal surface before applying a topcoat?

To achieve the best results, the metal surface should be clean, dry, and free of any rust, grease, or loose material. Depending on the condition of the metal, you may need to use a primer like Rust-Oleum 3369/3380 CombiPrimer Anti-Corrosion to enhance adhesion and provide additional protection.

What are the available finishes for metal topcoats?

Metal topcoats are available in various finishes, including high gloss, satin, matt, and metallic. The choice of finish depends on the desired aesthetic effect and the specific requirements of the project.

How do I apply metal topcoats?

Metal topcoats can be applied by brush, roller, or spray, depending on the product and the surface area. Spraying is often preferred for large or intricate surfaces, while brushing or rolling is suitable for smaller areas or when a more controlled application is needed.

Can metal topcoats be used in marine or coastal environments?

Yes, many metal topcoats are specifically formulated for use in marine or coastal environments, where surfaces are exposed to saltwater and high humidity. Rust-Oleum 7500 Alkythane is an example of a topcoat that provides excellent protection in these conditions.

What is the difference between enamel and polyurethane topcoats?

Enamel topcoats, such as Teamac Rapidry QD Enamel, are known for their hard, durable finish and are often used for decorative and protective purposes. Polyurethane topcoats, like Jotun Hardtop XP, offer greater flexibility and resistance to chemicals and weathering, making them suitable for harsher environments.

Is it necessary to use a primer before applying a metal topcoat?

While some metal topcoats can be applied directly to metal surfaces, using a primer like Rust-Oleum 3369/3380 CombiPrimer Anti-Corrosion enhances adhesion and provides additional protection against corrosion, especially in challenging environments.

What are the key considerations when choosing a metal topcoat for DIY projects?

For DIY projects, ease of application and quick drying times are critical. Look for topcoats that offer good adhesion to the specific substrate you're working with, such as Rust-Oleum CombiColor Original for metal garage doors or gates.

How do metal topcoats differ for industrial applications compared to domestic use?

Industrial topcoats, like International Interline 975, are designed to withstand extreme conditions such as chemical exposure and high temperatures, whereas domestic topcoats are more focused on ease of use and aesthetic appeal.

What types of metal topcoats are best for protecting farm machinery?

Teamac Metalcote Plant Enamel is an excellent choice for farm machinery, offering a tough, flexible finish that resists oils, chemicals, and weathering.

Are there specific topcoats recommended for public infrastructure projects?

Yes, products like International Intergard 740 are ideal for public infrastructure due to their high resistance to environmental factors and their durability in harsh conditions.

How do metal topcoats contribute to the longevity of cladding on commercial buildings?

Topcoats like International Interthane 990 provide a protective barrier that helps maintain the appearance and structural integrity of cladding, protecting it from UV rays, pollution, and weathering.

Can metal topcoats be used on surfaces other than metal in agricultural settings?

Yes, certain topcoats like CombiColor Multi-Surface Paint can be used on both metal and wood, making them versatile for agricultural buildings and equipment.

What is the best way to apply metal topcoats for large-scale industrial projects?

Spraying is often the preferred method for large-scale projects, as it allows for even coverage and is efficient for covering large areas. Products like Jotun Hardtop XP are well-suited for this application method.

Do metal topcoats need to meet specific standards for public sector use?

Yes, many metal topcoats used in public sector projects need to meet regulatory standards for durability, safety, and environmental impact. Always check the product specifications to ensure compliance.

How can I ensure the best finish when applying a high-gloss metal topcoat?

For a high-gloss finish, it’s important to apply the topcoat in thin, even layers using a high-quality brush, roller, or spray gun. Products like Rust-Oleum 9600 Rust-O-Thane Polyurethane are designed to provide a flawless, reflective finish.

What are the most important features of metal topcoats for commercial shop fronts?

Durability and aesthetic appeal are key. A topcoat like Rust-Oleum 9600 Rust-O-Thane Polyurethane offers a high-gloss finish that resists cleaning chemicals and maintains a polished look, making it ideal for shopfronts.

Are there environmentally friendly options for metal topcoats in the agricultural sector?

Yes, water-based enamel paints and low-VOC topcoats offer environmentally friendly options for agricultural use, providing effective protection while reducing environmental impact.

How do metal topcoats protect against UV exposure in outdoor applications?

Topcoats like International Interthane 990 contain UV-resistant properties that help maintain colour and finish, preventing fading and degradation over time.

Can I use the same metal topcoat for both interior and exterior surfaces?

Many metal topcoats, such as Rust-Oleum CombiColor Original, are versatile enough for both interior and exterior use. However, always ensure that the product is suitable for the specific environmental conditions it will face.

What types of finishes are available for metal topcoats in the trade sector?

In the trade sector, metal topcoats are available in finishes ranging from high gloss to satin, matt, and metallic, allowing for a variety of aesthetic options depending on the project’s needs.

What is the role of primers in preparing surfaces for metal topcoats in industrial projects?

Primers like Rust-Oleum 3369/3380 CombiPrimer Anti-Corrosion are essential for enhancing the adhesion of topcoats and providing an additional layer of protection against corrosion, especially on challenging surfaces.

How can I ensure that my metal topcoat provides long-lasting protection in a marine environment?

For marine environments, choose topcoats like Rust-Oleum 7500 Alkythane that are specifically formulated to resist saltwater, high humidity, and constant exposure to moisture.

What makes metal topcoats suitable for use on public sector infrastructure?

Metal topcoats used in public sector infrastructure, such as International Intergard 740, are formulated to meet high standards of durability, corrosion resistance, and environmental safety, ensuring long-lasting protection in demanding conditions.

How do topcoats protect metal surfaces in agricultural settings from chemical exposure?

Topcoats like Teamac Metalcote Plant Enamel offer resistance to common agricultural chemicals, oils, and lubricants, providing a tough, protective barrier that extends the life of farm equipment and structures.

 

If you have a question which has not been covered in these FAQs, or have a specific project requirement, please use the search option on the site, this category’s sidebar filter or sub-category links, or contact our Technical and Product Support Team by phone, email or live chat.

 

What Rawlins’ Customers Say:

Don’t just take our Technical Support Teams’ words for it, here’s what our customers have to say about metal topcoats they have purchased from our store:



Brilliant product would recommend

Customer feedback from P.D.S. on Trustpilot



Restoring old vehicle metal car horn, superb satin finish.

Customer feedback from Kevin M on Trustpilot



I used Anthracite to renovate my garden furniture table and chairs. I used the primer and then the top coat. Easy to apply, nice gloss finish and the furniture looks like new!

Customer feedback from Peter on Trustpilot



Excellent, easy to apply and gives a nice even finish to the roof of my narrowboat.

Customer feedback from Mel K on Trustpilot

 

The information provided above is a basic overview and is intended as general information only. It is not advice, and is given without warranty. You should always refer to the relevant data sheets and our Technical Team prior to purchase or use of any products.