National Paints Polydex Waterproofing, 3.6L, Used for Small Roof & Balcony Protection - White

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.

Yes, it features a low-odor formulation, making it more suitable for occupied spaces. Always ensure proper ventilation during application and cure, and wear appropriate PPE as advised.

Compared to other acrylic or silicone waterproofing options, Polydex offers strong adhesion to concrete, UV resistance, and low odor. For direct comparisons, see these alternatives on Fepy and their pages: Acrylic Waterproofing Emulsion (https://fepy.com/product/acrylic-waterproofing-emulsion), Silicone Waterproof Sealer (https://fepy.com/product/silicone-waterproof-sealer), Bituminous Waterproofing Membrane (https://fepy.com/product/bituminous-waterproofing-membrane).

Coverage varies by surface porosity and coat thickness; refer to the product label for coverage per liter and total area. The coating offers long-term durability and ease of repair, contributing to overall value over time.

Yes. Use in well-ventilated areas, wear gloves and eye protection, and follow the Safety Data Sheet for handling, storage, and disposal. The low-odor formulation helps reduce exposure during application.

Fepy typically offers a standard return policy for unopened or unused items; check the product page or your order details for the exact terms and the return window.