Waterproofing Membrane for Tile & Shower Installations
A waterproofing membrane is installed beneath the tile to create a continuous moisture barrier that protects substrates from water intrusion. In wet areas such as showers, tub surrounds, and bathroom floors, a waterproof membrane helps prevent water from migrating into framing, subfloors, and surrounding materials. Proper waterproofing supports long-term tile performance and helps reduce the risk of structural damage.
This collection includes shower waterproofing membrane and tile waterproofing membrane products designed for residential and commercial wet-area applications. Both liquid and sheet waterproofing membrane options are available to integrate into complete tile installation systems.
Waterproof membranes are a critical component in shower assemblies and other moisture-prone environments where consistent water exposure occurs.
Types of Waterproofing Membrane
- Liquid Waterproofing Membrane: Applied by roller, brush, or trowel to form a seamless waterproof barrier
- Sheet Waterproofing Membrane: Pre-manufactured membrane sheets installed over prepared substrates
- Crack Isolation & Waterproofing Membrane: Products that combine moisture protection with movement accommodation
- Reinforcement Fabric: Used at corners, seams, and transitions to strengthen waterproofing assemblies
How to Choose a Waterproof Membrane for Shower or Tile
- Application Area: Confirm the membrane is rated for showers, floors, walls, or other wet areas
- Installation Method: Choose between liquid-applied or sheet membrane systems
- Substrate Compatibility: Verify compatibility with cement board, drywall, concrete, or other substrates
- System Integration: Select products designed to work with thinset, tile, and drainage components
Common Applications
Waterproofing membranes are used in showers, tub surrounds, steam rooms, bathroom floors, laundry rooms, and other moisture-prone areas where tile is installed. A waterproof membrane for shower installations is commonly specified in both residential and commercial construction.
Why Use a Waterproofing Membrane
Using a waterproofing membrane helps prevent water migration into wall cavities and subfloors, reducing the risk of mold growth, structural damage, and tile installation failure. Proper waterproofing supports long-term durability and helps extend the life of the finished tile assembly.