National Pollydex Waterproofing (0.9L, 3.6L & 18L)

National Polydex Waterproofing 800 is a high-performance, single-component acrylic copolymer waterproofing system designed to deliver a durable, seamless protective membrane. It dries to a white satin finish that reflects solar heat, reduces surface temperature, and enhances long-term weather protection.

Formulated for both interior and exterior applications, it bonds strongly to concrete, metal, wood, gypsum board, cement board, tiles, and masonry surfaces. The flexible elastomeric film absorbs substrate movement, bridges hairline cracks, and maintains excellent adhesion under harsh UV and moisture exposure.

This product is equipped with anti-fungal and anti-bacterial additives and can be tinted on request. Suitable for rooftops, domes, parapets, terraces, and moisture-prone areas where long-term waterproofing is essential.

Key Features & Benefits

• Acrylic Copolymer Waterproofing Membrane – Seamless, flexible, and highly durable

• Excellent UV & Weather Resistance – Ideal for outdoor conditions

• Superior Adhesion – Suitable for concrete, metal, wood, gypsum, and masonry

• Micro-Crack Bridging – Seals and hides hairline cracks

• Anti-Fungal & Anti-Bacterial – Prevents mold and mildew growth

• Cool Roof Effect – White finish provides solar heat reflection

• Easy Application – Brush, roller, or spray

• Breathable Film – Allows trapped moisture to escape

• Paintable Surface – Can be over-coated after full cure

• Low Flame Spread – Safe for use on various building substrates

Recommended Uses

Perfect for waterproofing:

• Concrete roofs & terraces

• Metal and wooden roofs

• Mosaic tile roofs

• Domes and architectural structures

• Masonry, clay tiles & cement boards

• Damp interior/exterior areas

• Hairline crack treatment (with or without fiberglass mesh reinforcement)

Technical Highlights

• Finish: Smooth/Satin

• Color: White (tintable)

• Volume Solids: 55% ± 2%

• Touch Dry: 4–6 hours

• Recoat: 12–16 hours

• Recommended Film Thickness: 300–400 microns (DFT)

• Application Tools: Brush, roller, spray

• Thinner/Cleaner: Water