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  • Berger Roof Kool & Seal 20L Cool Waterproof Coating - berger roof kool and seal 20 ltr - Buy Online at JEM HARDWARE MART

Berger Roof Kool & Seal 20L Cool Waterproof Coating

Berger's HS Roof Kool & Seal is a great way to keep your home cool and waterproof. This 100% acrylic elastomeric polymer has heat-reflecting properties that will significantly reduce the transfer of heat into your house.


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Berger Roof Kool and Seal 20 LTR is a high-performance acrylic elastomeric roof coating designed to keep homes cooler and leak-free season after season. Ideal for concrete, asbestos and metal roofs, it reflects solar heat to reduce indoor temperatures and improves comfort in hot climates. Its flexible waterproof membrane bridges minor cracks, prevents seepage, resists weathering and extends overall roof life significantly. Easy to apply by brush or roller, it is perfect for homeowners, contractors and housing societies seeking energy-efficient, long-term roof protection with minimal maintenance. Use it on terraces, sloping roofs and parapet walls for durable, reliable weather resistance. Available conveniently from No 36 Tana street Purasawalkam opp apollo medicals for hassle-free purchase and application.

Reflects solar heat, keeps interiors noticeably cooler
Forms seamless waterproof membrane against roof leakage
100% acrylic elastomeric, flexible and crack-bridging
Improves roof life by resisting weather and UV damage
Suitable for concrete, asbestos and metal roof surfaces
Reduces cooling costs by lowering indoor temperature

Clean the roof thoroughly to remove dust, algae, loose particles and old flaking coatings. Repair visible cracks and allow to dry. Stir Berger Roof Kool and Seal 20 LTR well before use. Apply the first coat with brush or roller as per recommended dilution. Allow to dry completely, then apply a second perpendicular coat for best waterproofing and heat reflection. Ensure proper drying time and avoid application during rain.

Berger Roof Kool and Seal 20 LTR is used as a heat-reflective, waterproof roof coating for concrete, asbestos and metal surfaces. It helps reduce heat entering the house, keeps interiors more comfortable in summer, and forms a flexible membrane that seals minor cracks and prevents water leakage from roofs.

Yes, Berger Roof Kool and Seal is specifically designed as a waterproof coating. Its acrylic elastomeric formula creates a seamless, flexible film that bridges hairline cracks, resists ponding water to an extent and protects roofs from seepage. When applied as per instructions in the correct thickness, it offers long-lasting waterproofing performance.

Berger Roof Kool and Seal 20 LTR contains heat-reflective pigments that reflect a significant part of solar radiation. This reduces heat absorption by the roof and lowers the amount of heat transferred indoors. As a result, rooms under coated roofs generally feel cooler, which can also help reduce dependence on fans and air conditioners.

You can apply Berger Roof Kool and Seal on most common roofing surfaces like cement-concrete roofs, asbestos sheets, some metal sheets and parapet walls, provided they are properly cleaned and prepared. The surface should be sound, dry and free from dust, oil, algae or loose particles for the coating to adhere well and perform effectively.

Typically, two coats of Berger Roof Kool and Seal 20 LTR are recommended for good waterproofing and heat reflection. After cleaning and priming (if needed), apply the first coat, allow it to dry thoroughly, then apply a second coat at right angles to the first. Following the manufacturer’s coverage guidelines ensures the required film thickness and durability.
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