Ardex TLT Waterproofing Membrane - Seamless Waterproof Protection from the Brand Pros Trust ARDEX TLT Waterproofing Membrane is the foundation of a complete waterproofing system designed for professional tile contractors. Its flexible, fleece-backed design forms a strong mechanical bond with mortar while maintaining total moisture integrity across the entire assembly. Why Tile Pros Trust It Total system integration: Pairs perfectly with ARDEX TLT tapes, corners, and collars Fast installation: Lightweight and easy to handle—no waiting for liquid cure times Flexible durability: Moves with the substrate to prevent cracking or delamination Pro-grade protection: Tested and engineered for long-term wet-area reliability Cleaner workflow: Creates a consistent, professional surface ready for immediate tiling Need more installation solutions? Browse our full selection of ARDEX products designed for tile setting, leveling, grouting, and substrate preparation.