National Paints Polydex Waterproofing, 18L Used for Roofs, Terraces & Wet Areas - White

It is suitable for a wide range of substrates, including concrete, gypsum board, wood, metal, masonry, and even mosaic tiles.

The product offers superior UV resistance, faster curing time, excellent adhesion, and improved chemical resistance. It also resists cracking, peeling, and household cleaners.

Yes, National Polydex Waterproofing is designed for both interior and exterior use due to its durable and weather-resistant properties.

It can be easily applied with a brush or roller. The surface must be clean and dry before application.

Yes, the waterproofing layer can be painted over and tinted if required without losing its protective qualities.

While specific drying times are not mentioned in the data provided, similar products typically become touch-dry within hours and fully cure within several days under normal conditions.

The product comes in an 18L drum and weighs approximately 24.2 kg.

National Polydex Waterproofing is an acrylic copolymer emulsion–based coating designed to waterproof surfaces and protect them from moisture, mold, mildew, and UV damage. It provides low-odor application, flexibility, and long-term adhesion to concrete and other substrates, suitable for interior and exterior use.

It adheres well to concrete and other common substrates and is suitable for roofs, balconies, decks, walkways, and other resurfacing and waterproofing applications.

The product is an acrylic copolymer emulsion that delivers strong water resistance, long-term adhesion, and UV resistance, helping surfaces resist moisture, mold, mildew, and sun damage for extended periods.

Key specs include: acrylic copolymer emulsion base, excellent adhesion to concrete, low odor, flexible coating, long-term adhesion, interior/exterior suitability, UV resistance, available in multiple colors, and easy repair.

Use on roofs, balconies, decks, walkways, and other exterior or interior surfaces that require waterproofing. It’s also positioned for durability in challenging environments such as bridge and tunnel waterproofing projects.

Prepare the surface by cleaning and repairing cracks. Stir thoroughly, apply evenly with a brush, roller, or sprayer in a thin coat, allow to dry, then apply a second coat if needed. Follow manufacturer guidance for coverage rates and dry times, and ensure adequate ventilation due to the low-odor formulation.

Allow the first coat to dry before applying a second coat. Curing times depend on temperature and humidity; higher temperatures and good ventilation help. Check the product label for exact recoat intervals.