Waterproof Sheet Membranes

Waterproof sheet membranes are a key part of protecting tiled surfaces in wet areas or where structural movement is expected. Designed to create a continuous moisture barrier, these products are commonly used under tile and stone in bathrooms, balconies, wet rooms, and commercial installations. Sheet-applied membranes offer excellent coverage, reliable waterproofing, and consistent performance across different substrates.

This Surtec collection includes a range of membrane systems and accessories trusted by tilers, builders, and specifiers across New Zealand and the Pacific. Whether you're working to meet building codes, prevent future tile cracks, or speed up installation times, these products are built to perform on-site. Ideal for both residential and commercial projects, these systems help deliver durable, compliant, and long-lasting results under tile.