Comtech Proof PU20 Single Component Polyurethane Waterproof Coating (20L)

Comtech Proof PU20 is a premium, single-component elastomeric polyurethane coating engineered to provide durable, seamless waterproofing protection. This advanced formulation cures to form a flexible, continuous membrane that effectively seals substrates against water ingress, making it ideal for complex geometries and areas prone to movement.

Designed for versatility, Proof PU20 is suitable for a wide range of construction substrates, including concrete, masonry, and plastered surfaces. Its elastomeric nature allows it to bridge minor cracks and accommodate structural shifts, ensuring long-term integrity in both interior and exterior environments. The product is easy to apply, offering a smooth finish that can be painted over or tiled upon full cure.

• Single-component formulation for easy, mess-free application.
• Forms a flexible, seamless elastomeric membrane.
• Suitable for both internal and external use.
• Excellent adhesion to concrete, masonry, and other rigid substrates.
• Resistant to UV exposure and weathering when properly applied.
• Available in a 20-liter container for professional projects.