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Impregnation and Waterproofing for Building Materials
Protect exterior masonry and brickwork from the UK's unpredictable weather with advanced waterproofing impregnation products available to buy at Rawlins Paints. From established brands including Hydron, Sika and Wethertex, we supply sizes and quantities for all types of project and application sizes, from domestic jobs to commercial and industrial-scale waterproofing contracts. Specially formulated to withstand seasonal changes, these product solutions ensure your stone, brick, and concrete surfaces remain dry, durable, and aesthetically vibrant.
Waterproofing impregnation products for exterior walls penetrate deep into the substrate, creating an invisible barrier against water infiltration while preserving the natural appearance, lifespan and painted colour of your surfaces.
Wethertex WB1 WeatherBLOCKER
Long-lasting protection against damp, available in clear and white. Suitable for use on brick, stone, concrete, and renders. Utilises advanced nano-technology for deep penetration and up to 25 years of protection. UV resistant, ensuring durability and sustained performance. Easy application with brush, roller, or airless spray....
Keim Lotexan
A siloxane based water repellent impregnation to reduce the water absorption of mineral substrates, including natural stone. Keim Lotexan is recommended by the manufacturer for stone with lime pointing. Also used as a dust suppressant for numerous mineral and concrete surfaces. Easy to apply Water vapour permeable Totally clear Density:...
SmartSeal Climashield Energy Saving Wall Coating
Energy saving wall sealer. For use on brickwork, masonry and natural stone. Allows vapour to release. Waterproofing. Samples available.
Hydron Nu-Cryl WRS Colour Enhancer
A unique water based modified polysiloxane which provides oil and water repellent properties and lifts the true colour of the substrate. Excellent water repellent qualities, reduces penetration of oil and water, frost damage and organic growth, while enhancing the natural colour of the substrate Conforms to EN 1504-2 For use on walls and...
SmartSeal ClimaShield Masonry Protection Cream
Penetrating brick waterproofer. For exterior masonry and brickwork. Clear finish. Penetrates microscopic pores. Samples available.
Sikagard 700 S
Sikagard 700 S is a siloxane based water repellent impregnation. It penetrates well into the open pores of the substrate, providing durable water repellency, while still allowing water vapour diffusion in both directions. Sikagard 700 S can be used as water repellent and colourless protective surface treatment for absorbent exposed materials....
Owatrol H4 Wood & Stone Waterproof Protection
For horizontal and vertical wood and stone surfaces. Cladding, fences, garden furniture, decks, chalets and more. Water repellent – Protects all exterior wood surfaces and stone against water ingress, mould, pollution, dirt etc. Hydrophobic – repels water. Hybrid system – silicone-free – can be overcoated with any finish without the need...
Hydron Mona-Guard Plus
A unique hydrophobic impregnation coating system providing stain and water repellency on brickwork, concrete, natural stone, reconstructed stone and blockwork. Its excellent water repellent qualities reduce penetration of oil and water, frost damage and organic growth. Stain and dirt resistant Conforms to EN 1504-2 More Info View...
Sika Water Repel +
A high performance transparent water repellent specially formulated to provide a water repellent finish and prevent attack by water penetration on porous substrates such as brick, stone, masonary, plaster, plasterboard, pebbledash, rendering, porous tiling, grouting, flags and block paving. Penetrates deep into the treated area and actually...
Britannia Clearshield Eco
Britannia Clearshield Eco is an advanced water-based formula which impregnates surfaces for superior water repellence and resistance to dirt, stains and grime. Excellent stain, UV, chemical and abrasion resistance Up to 10 years protection Eco-friendly Natural finish Prevents moss and algae growth One coat application
Hydron Nu-Cryl WRS
Nu-Cryl WRS is a unique hydrophobic impregnation coating system providing stain and water repellency. Excellent water repellent qualities, reduces penetration of oil and water, frost damage and organic growth. Highly resistant to weathering and UV exposure, moisture vapour permeable, and unaffected by freeze/thaw cycles For use on...
Tikkurila Hydroblock WB
Tikkurila HydroBlock WB is a water-based impregnating agent (hydrophobic solvent) that creates a water- repellent surface. Alkali-resistant modified silane-siloxane based impregnating agent that penetrates well into the substrate. High “water-pearling” effect Allows water vapour coming from inside the structure to pass through Reduces...
Sika Water Seal
Solvent based, waterproofing water seal for masonry to protect structures against rain, damp and frost. Penetrates to a depth of 5mm on application, dependent upon the porosity of the material to be treated, effectively repelling driving rain Used to protect brick, stone, concrete and masonry against rainwater penetration
Tikkurila Hydroblock SB
Tikkurila HydroBlock SB is a solvent based impregnating agent (hydrophobic solvent). Alkali-resistant modified silane-siloxane based impregnating agent that penetrates well into the substance and reacts chemically with the substrate. Very suitable for “tight” mineral surfaces. It creates a water-repellent surface that prevents capillary...
KEIM Lotexan N
A siloxane based water repellent impregnation to reduce the water absorption of natural stone. Also used as a dust suppressant. Suitable as a water repellent protective treatment. Easy to apply Water vapour permeable Totally clear Surfaces show no sign of treatment For lime-pointed stone, the manufacturer recommends Keim Lotexan...
Sikagard 705 L
Sikagard 705 L is a one part low viscosity, solvent free, reactive impregnation for concrete and cementitious substrates based on silane with 99% active ingredient. Sikagard 705 L complies with the highest requirements of EN 1504-2 for hydrophobic Impregnation (penetration depth class II & resistance to freeze and thaw salt stresses)....
Hydron Nu-Guard Clear AC
Nu-Guard AC is a high quality transparent anticarbonation coating, based upon acrylic resins to protect concrete and masonry against attack from carbon-dioxide and airborne chlorides. Provides a dirt repellent, acid and alkali resistant coating giving protection for at least 10 years, while not affecting the appearance of the substrate....
Keim Ecotec
Keim Ecotec is a solvent free, silicone micro-emulsion based hydrocarbon concentrate for use as an environmentally friendly water repellent and dust suppressant. Environmentally friendly Free from solvents, dilute with water Excellent water repellency Good surface penetration Consumption Rate Samples
Watco Masonry Waterproofer
Watco Masonry Waterproofer is a colourless, breathable water repellent treatment for brick, concrete and stone walls. It is supplied as a cream that is applied to the wall surface in a single coat using a roller or brush. It is is highly resistant to UV light and has a life expectancy of 20 - 30 years. Penetrates more deeply than...
Hydron Nu-Cryl WRS Extra
A unique hydrophobic oil and water repellent treatment, that will not affect the original colour of the substrate Excellent water repellent qualities, reduces penetration of oil and water, frost damage and organic growth. Highly resistant to weathering and UV exposure, moisture vapour permeable, and unaffected by freeze/thaw cycles. For...
Hydron Nu-Guard NRG Clear
Nu-Guard NRG Clear is a new generation, unique, clear impregnation utilising the most advanced hybrid chemistry available to produce superior weather protection for masonry walls and bricks. Dirt, stain, water and weather resistant, as well as improving energy efficiency in homes For use on all types of mineral based substrates including...
Protecta Waterproofer
Protecta Waterproofer, a high viscosity cream-like impregnating fluid (based on alkyl-alkoxy-silanes) that, when applied to cured Protecta EX Mortar, the Waterproofer protects the surface by making it water repellent. Protects other porous substrates such as stone, brickwork, concrete and plaster in facades Provides a comprehensive...
Sikagard 740 W
Sikagard 740 W is a one part low viscosity, reactive impregnation for concrete and cementitious substrates based on concentrated Silane emulsion. This product complies with the requirements for hydrophobic impregnation and is classified as a sealer. Good penetration Economic and easy to use Reduces capillary water absorption, protection...
Sikagard 706 Thixo
Sikagard 706 Thixo is a one part reactive silane based impregnation cream. It is a solvent free product with ~ 80% content of active substance. Sikagard 706 Thixo complies with the highest requirements of EN 1504-2 for hydrophobic Impregnation (penetration depth class II & resistance to freeze and thaw salt stresses). Non-sag...
Keim Silan 100
Keim Silan 100 is a solvent-free, silane-based water repellent for use on all mineral substrates, particularly suitable for concrete, where carbonation resistance is required. For use on all mineral substrates Solvent-free alkylalkoxysilane Active component content 100% Consumption Rate Samples
Cromar AlphaChem Exterior Water Seal
A clear high performance waterproof treatment for exterior porous surfaces. For use on brickwork, concrete, stone, paving, asbestos and cement. Repels water on exterior wood. Important! Do not apply Exterior Water Seal for 2/3 days after rain. Not overpaintable. Final application only.
Fosroc Dekguard CP
Fosroc Dekguard CP is a weather resistant, clear, water based impregnation and glaze for use on concrete. It is designed to protect reinforced concrete from chloride ions, oxygen, carbon dioxide (CO²) and other aggressive chemicals. Dekguard CP has a wide range of uses, e.g. multi-storey car parks, office buildings, industrial buildings,...
Fosroc Nitocote SN502
Fosroc Nitocote SN502 is a single component penetrating silanesiloxane system which penetrates into porous substrates and then reacts to produce a bonded hydrophobic lining to the pores. Although allowing passage of water vapour from the substrate, it significantly reduces the absorption of water and water borne salts. Penetrating,...
Mapei Antipluviol S
Mapei Antipluviol S is a silane and siloxane based transparent water-repellent impregnating finish in solvent solution. Applied to a porous surface, it penetrates deeply and reacts with natural humidity to form a water-repellent layer inside pores and capillaries. Colourless protection against rain for exposed concrete structures, cement...
Graphenstone Hydroxeal
Water-repellent treatment with a transparent matte finish ideal for protecting surfaces affected by humidity and/or pollution. It acts as a water repellent without significantly altering the permeability of the substrate to gases or water vapor. Water-repellent product. Protection against humidity and acid rain. Protection against...
Sika Parex Paraguard
Sika Parex Paraguard is a water based coating, which provides a weatherproof, lotus leaf effect, water resistant surface to a range of render, paving, masonry and timber substrates. Paraguard is safe to the environment and to those using it. The product may be applied by brush, lambswool roller or airless spray gun followed by lambswool roller...
Mapei Antipluviol
A colourless water-repellent impregnator treatment based on silicon compounds in water solution, for protection against rain of exposed concrete structures, cement renders, cellular cement, facebricks, exposed concrete blocks, natural and artificial stone, etc. Application examples include: Repair of plastered walls exposed to rain...
Flexcrete Monosil
Clear masonry waterproofing solution. For protection of stonework which is vulnerable to the effects of weathering. Imparts water oil repellence to concrete floors, car parking decks and other trafficked areas. Enhances freeze/thaw resistance. Minimal effect either on appearance or water vapour diffusion.
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Masonry structures, whether made of stone, brick, or concrete, are everywhere in the UK, from houses and office blocks, to churches and property parameters. However, the UK's diverse and often harsh weather conditions and coastal locations can pose significant challenges to the longevity and aesthetics of these materials. From heavy rains and freezing temperatures to sun exposure, masonry must withstand a variety of environmental and geographical stressors. To safeguard your masonry against these elements, waterproofing impregnation products offer an effective solution, ensuring long-lasting protection and preserving the natural beauty of your surfaces.
Understanding Masonry Waterproofing
Waterproofing impregnation is a process where a special solution is applied to masonry surfaces to penetrate deeply and create a barrier that repels water. Unlike surface coatings that merely form a film on the exterior, impregnation treatments like Wethertex WB1 Weatherblocker work from within the material, providing a more durable and comprehensive defense against moisture. This method is particularly advantageous for masonry, as it allows the material to breathe while preventing water ingress, which can lead to issues like cracking, spalling, and efflorescence.
Effective external waterproofing can help prevent internal damp and mould issues. Using anti-damp or mould resistant paint can add an extra layer of protection.
The Impact of Seasonal Changes
Seasonal changes in the UK bring a unique set of challenges for masonry. During the wet months, heavy rainfall can saturate masonry, leading to moisture accumulation within the material. When temperatures drop, this trapped moisture can freeze, expand, and cause cracks or structural damage. Conversely, during warmer months, intense sun exposure can lead to drying and shrinkage, potentially weakening the masonry over time. Sika waterproofing impregnation products, including Water Repel+, are designed to address these fluctuations, ensuring that your masonry remains resilient through all seasons.
But, it is not just the weather which needs protecting against. Damaged guttering can cause havoc on masonry materials. For commercial and industrial properties, where machinery and equipment may be hosed or cleaned down, there are water and chemical splashback risks that need protecting against. Rising damp, which has been documented on our blog, is another factor that can seem inconsequential at the time, but could go on to cause serious structural damage.
Benefits of Our Waterproofing Impregnation Products
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Deep Penetration and Lasting Protection
- Products penetrate deep into the masonry, creating a robust barrier that protects against water infiltration for years. This deep-seated protection ensures that even the innermost parts of the masonry remain dry and intact.
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Preservation of Natural Appearance
- One of the key advantages of impregnation products is their ability to maintain the natural look and colour of masonry. The solution is invisible once applied, preserving the aesthetic integrity of your surfaces without altering their appearance.
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Breathability
- While providing excellent water repellence, products available at Rawlins also allow the masonry to breathe. This breathability is crucial for preventing moisture build-up and enabling any trapped dampness to evaporate, thus avoiding potential damage from freeze-thaw cycles and related internal issues on walls and ceilings.
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UV Resistance
- Prolonged exposure to sunlight can cause fading and deterioration of masonry surfaces. Waterproofing impregnation products offer UV resistance, protecting masonry from the harmful effects of sun exposure and ensuring that the colours remain vibrant.
Application and Maintenance
Applying waterproofing impregnation products is a straightforward process that can be completed by professionals or DIY enthusiasts. The surface must be clean and dry before application to ensure maximum penetration and effectiveness. Using a brush, roller, or sprayer (always refer to product data sheets, available to download from product pages), the solution is evenly applied and allowed to cure. As directed application will ensure long-lasting protection, though particularly porous materials may require further layers applied.
Maintenance is minimal once the product is applied. Regular inspections of the masonry surfaces can help identify any potential issues early. If necessary, a reapplication every few years will ensure continued protection and performance, especially in areas subjected to extreme weather conditions.