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A one coat, high build, virtually solvent free, epoxy resin bund sealer which seals and protects metal or concrete bunded areas against spillages of water, oil, petrol and diesel. Suitable for use on walls and floors, indoors and outdoors.
- Guarantees exceptional chemical resistance
- Glass flake reinforced formula
- Thick epoxy resin – only one coat needed
- Flexible and waterproof
- Superior performance demonstrated by ISO testing to CE Mark EN1504-2
- Withstands heavy traffic
- Can be applied at temperatures as low as 5°C
Note: While great care is taken with the colour samples shown, no guarantee can be given that they represent exactly the colours offered.
Description
A two part, thick epoxy resin with a new easier to apply formula with glass reinforcement for even greater resistance to chemical attack. Cures to form a hard surface film which withstands heavy traffic.
One thick brush applied coat is generally sufficient, although two coats may be required on porous, open textured surfaces or to achieve a watertight seal over wider cracks and joints.
Vulnerable cracks and joints, such as between the wall and floor, can also be further strengthened using Watco Fibreglass Reinforcing Tape.
Watco Bund Sealer is suitable for use both indoors and outdoors and will cure at temperatures as low as 5°C.
Carries CE Mark EN1504-2 and has excellent test results for chemical resistance. It also has an A+ VOC emissions rating with a low level of VOC.
Quick Links - Click To Jump To Section:
- Features & Benefits
- Surface Preparation
- Mixing
- Test Results
- Chemical Resistance
- Application
- Standard Compliance
- Limitations
Features & Benefits
- Areas of use include chemical & oil storage and bund areas, plant rooms
- Suitable for walls and floors
- Interior and exterior use
- One coat, high build, epoxy resin bund sealer
- Forms a waterproof barrier to seal and protect against oil, petrol, diesel and chemical spillages
- Can be used with Watco Fibreglass Reinforcing Tape to fill cracks and joints between the bund wall and the floor to prevent leaks
- Withstands heavy traffic
- Contains glass flake reinforcement for even greater resistance to chemical attack
- Provides excellent protection to metal tanks and pipes
- Helps comply with The Control of Pollution (Oil Storage) Regulation
- Can be applied at temperatures as low as 5°C
- Virtually solvent free – suitable for confined spaces
- Superior performance demonstrated by ISO testing to CE Mark EN1504-2
Surface Preparation
Bare blockwork, brick and concrete – ensure surfaces are clean, dry and dust free. Usually a good sweep with a stiff broom or brush is sufficient. Any grease or oil contamination should be removed using Watco Concroff. For larger areas of bare concrete, Watco Etch & Clean can be used to remove weak cement deposits.
New Concrete – as a guide, new concrete should be left for eight weeks to dry.
Painted surfaces – abrade to remove any weak or loose paint. Check remaining paint is well bonded. Very smooth, glossy paint should be lightly abraded to provide a key. Watco Bio-D can be used to remove grease and oil from painted surfaces. Watco Concroff is a very powerful degreaser for contaminated bare concrete, (do not use on a previously painted surface since it can soften paint).
Priming – is not usually required, but for open textured, or very porous high suction surfaces, such as sand and cement screed or porous bricks or blocks, a second coat may be required.
Minor cracks/joints – such as between the wall and floor, can be strengthened by using Watco Fibreglass Reinforcing Tape. Push the tape firmly into place on top of the wet Bund Sealer so that the crack or joint runs down the centre of the tape. Push the tape onto the layer of Bund Sealer using a brush loaded with more Bund Sealer. Work the tape into the corners, joint and angles, ensuring good contact with the surface at all joints. If a join is required, overlap the tape by at least 50mm and work in as above. Allow to harden and apply more Bund Sealer over the rest of the bund or area to be sealed
Large cracks/joints – will need repairing prior to applying Bund Sealer. Please contact our Technical Department on 0113 2455450 (option 2) or send a message to [email protected] for details.
Mixing
- Remove the two inner tins from the tall outer tin
- Stir the contents of each tin thoroughly and pour all of the contents into the outer tin, (scrape around the inside of the tins to remove any residue)
- Mix the components together thoroughly using a spatula or similar wide bladed tool, (a piece of wooden batten is ideal) and do not thin
- Continue mixing until an even consistency is obtained
- Do not mix more than one pack at a time
- If a paint stirrer fitted to an electric drill is used, also use the spatula to blend in any unmixed material from the sides and bottom of the tin
Test Results
- Abrasion Resistance ISO 5470-1 - 185mg
- Impact Resistance ISO 6272 - CLASS 1
- Scratch Resistance ISO 4586-2 - 6N
- Adhesion Test ISO 2409 - CLASS 3
- Adhesion Test EN 1542 - 4.5MPa/Nmm2
- Flexibility ISO 1519 - 20mm
- Gloss Value - High Gloss 96
- Wolff-Wilborn Hardness Test - 9H
- Water Permeability EN 1062-3 - W3
- Slip Resistance BS7976-2 - 31 PTV
- Chemical Resistance - Excellent (see Chemical Resistance below)
Chemical Resistance
Best long term resistance:
- Oxalic Acid 10%, Tartaric Acid 20%, Calcium Hydroxide 50%, Sodium Hypochlorite 15% ,Sodium Hydroxide 50%, Butoxyethanol, Low Aromatic White Spirit, Odourless Kerosene, White Spirit, Sodium Chloride Solution 50%, Sugar Solution 50%, Mineral Oil, Ethanol, Ester Alcohol, Anti-Freeze, Acetone, Brine, Bleach
Good Long Term Resistence:
- Nitric Acid 20%, Sulphuric Acid 20%, Hydrochloric Acid 15%, Ammonia 20%, Naphtha C9, Ethyl Methyl Ketone, Detergent, Skydrol, Petrol, Diesel
Some Attack, limited Resistance Only:
- Acetic Acid 20%, Phosphoric Acid 20%, Lactic Acid 10%
Not Resistant:
- Xylene , Benzyl Alcohol, Solvent based paint stripper
Application
Important – once the contents of the pack have been mixed, a chemical reaction takes place which creates heat, and the product should therefore be used immediately.
Best results are obtained in warm (minimum of 15°C), dry conditions with good ventilation. Apply one thick coat with a paint brush working well into the surface. Do not exceed the maximum coverage of 14m² per 4 litre pack. Do not wash or allow water to lie on the surface for at least 7 days.
Standard Compliance
- EN 1504-2
- BREEAM Compliant
- Low VOC level (35g/litre)
- ISO 16000
- REACH Compliant
Limitations
- Do not apply to a wet surface or areas subject to rising damp
- Do not apply to areas subject to movement such as structural movement or around vibrating machinery
Product Details
9265-946924
Data sheet
- Manufacturer
- Watco
- For Use By
- Consumer Use
- Interior / Exterior Use
- Interior & Exterior
- Water / Solvent Based
- Solvent
- For Use On
- Concrete
- For Use On
- Metallic Substrates
- Application Method
- Brush
- Single, Two or Three Pack
- Two-Pack
- Pack Size
- 4L
- Minimum Applied Thickness
- 300 microns
- Coverage
- 14m² per coat
- Recommended Thinner/Cleaner
- Watco Bio D
- Min. Application Temperature
- Air temperature 10°C
Floor temperature 5°C - Min. Application Temperature
- 5°C
- Touch Dry
- 5°C: 24 hours
10°C: 12 hours
20°C: 6 hours - Recommended Dry Film Thickness
- 300 microns
- Recommended Wet Film Thickness
- 300 microns
- UN Number (Activator)
- UN2735
- UN Number (Base)
- UN3082
- Resistance to chemicals
- Ethanol
- Resistance to chemicals
- Oil
- Resistance to chemicals
- Ester Alcohol
- Resistance to chemicals
- Diesel
- Resistance to chemicals
- Anti-Freeze
- Resistance to chemicals
- White Spirit
- Resistance to chemicals
- Acetone
- Resistance to chemicals
- Oxalic Acid
- Resistance to chemicals
- Brine
- Resistance to chemicals
- Acetic Acid
- Resistance to chemicals
- Bleach
- Resistance to chemicals
- Lactic acid
- Resistance to chemicals
- Ammonia
- Resistance to chemicals
- Hydrochloric acid
- Resistance to chemicals
- Naphtha
- Resistance to chemicals
- Nitric Acid
- Resistance to chemicals
- Ethyl Methyl
- Resistance to chemicals
- Sulphuric Acid
- Resistance to chemicals
- Ketone
- Resistance to chemicals
- Tartaric Acid
- Resistance to chemicals
- Detergent
- Resistance to chemicals
- Calcium Hydroxide
- Resistance to chemicals
- Skydrol
- Resistance to chemicals
- Sodium Hypochlorite
- Resistance to chemicals
- Sodium Hydroxide
- Resistance to chemicals
- Phosphoric Acid
- Resistance to chemicals
- Butoxyethanol
- Resistance to chemicals
- Odourless Kerosene
- Resistance to chemicals
- Sugar Solution
- Resistance to chemicals
- Petrol
- Dry to Recoat
- 5°C: 36 hours
10°C: 16 hours
20°C: 10 hours - Fully Cured
- 5°C: 72 hours
10°C: 48 hours
20°C: 48 hours - Suitable For Use On
- Metal
- Suitable For Use On
- Concrete
- Suitable For Use On
- Brick
- Suitable For Use On
- Walls
- Suitable For Use On
- Floors
- Suitable For Use On
- Asphalt
- Suitable For Use On
- Blockwork
- Suitable For Use On
- Sand and Cement
- Finish
- Smooth
- Application Method
- Brush
- Components
- 2K
- Usages
- Chemical Resistance
- Product Usage Type
- Sealer
- Dry for Light Traffic
- 5°C: 48 hours
10°C: 24 hours
20°C: 12 hours - Colour Family
- Grey
- Colour Family
- Black
- Chemical Resistance
- Calcium Hydroxide
- Chemical Resistance
- Detergent
- Chemical Resistance
- Sodium Hypochlorite
- Chemical Resistance
- Anti-Freeze
- Chemical Resistance
- Sodium Hydroxide
- Chemical Resistance
- Sugar Solution
- Chemical Resistance
- Acetone
- Chemical Resistance
- Brine
- Chemical Resistance
- Ethanol
- Chemical Resistance
- Naphtha C9
- Chemical Resistance
- Diesel
- Chemical Resistance
- Butoxyethanol
- Chemical Resistance
- Petrol
- Chemical Resistance
- Bleach
- Chemical Resistance
- Skydrol
- Chemical Resistance
- Acetic Acid
- Chemical Resistance
- Ammonia
- Chemical Resistance
- Lactic Acid
- Chemical Resistance
- Sodium Chloride
- Chemical Resistance
- Tartaric Acid
- Chemical Resistance
- Mineral Oil
- Chemical Resistance
- Oxalic Acid
- Chemical Resistance
- White Spirit
- Chemical Resistance
- Hydrochloric Acid
- Chemical Resistance
- Low Aromatic
- Chemical Resistance
- Nitric Acid
- Chemical Resistance
- Ethyl Methyl
- Chemical Resistance
- Phosphoric Acid
- Chemical Resistance
- Odourless Kerosene
- Chemical Resistance
- Sulphuric Acid
- Chemical Resistance
- Ester Alcohol
- Product Type
- Epoxy
Questions
Question about the product
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IMPORTANT SHIPPING & DELIVERY INFORMATION
Watco Bund Sealer is only available with the shipping and delivery timescales listed below - please do not contact our Customer Support Team with enquiries about alternative or earlier shipping and delivery times.
Saturdays and Sundays, as well as Bank Holidays, are not classed as working days.
Orders placed after the cut-off for this product will not be processed for earliest dispatch until 9am the next working day.
All delivery costs below are excluding VAT
*All estimates are based on theoretical consumption rates for a single coat and do not take into account any substrate deviations or wastage
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