Composeal Grey 40 Mil PVC Waterproofing Membrane Roll 5 Ft x 50 Ft (250 Sq Ft)
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Composeal Grey 40 Mil PVC Waterproofing Membrane Roll 5 Ft x 50 Ft ...
Description
Description
Composeal Grey 40 Mil PVC Waterproofing Membrane Roll 5 Ft x 50 Ft (250 Sq Ft)
Professional-grade 40 mil PVC waterproofing membrane designed for shower pans, wet rooms, roof decks, fountains, and thick-bed mortar installations.
Previously marketed as Composeal Blue Shower Pan Liner, the current manufacturer product is Composeal Grey 40 Mil Waterproofing Membrane. This flexible PVC waterproofing membrane is engineered to provide long-lasting moisture protection beneath ceramic tile, porcelain tile, natural stone, and other finished surfaces in residential and commercial applications.
Supplied in a full 250 square foot roll measuring 5 feet wide by 50 feet long, Composeal Grey creates a durable waterproof barrier beneath mortar bed installations, helping protect substrates from moisture intrusion in showers, wet rooms, Roman tubs, whirlpool enclosures, fountains, roof decks, and other demanding environments.
Its flexible construction allows the membrane to conform to custom layouts, irregular dimensions, and unique drain locations, making it an excellent choice for both new construction and remodeling projects where dependable waterproofing performance is required.
Specifications
- Material: Flexible PVC
- Thickness: 40 Mil
- Color: Grey
- Roll Size: 5 Ft. x 50 Ft.
- Total Coverage: 250 Sq. Ft.
- Application: Waterproofing membrane for showers, wet areas, roof decks, fountains, and related installations
- Installation Method: Beneath mortar bed tile installations
- Made in the U.S.A.
Key Features
- 40 mil flexible PVC waterproofing membrane
- Full roll provides 250 square feet of coverage
- Designed for residential and commercial waterproofing projects
- Suitable for custom shower pan construction and wet area waterproofing
- Flexible material adapts to irregular layouts and drain locations
- Compatible with thick-bed mortar and tile installations
- Provides dependable moisture protection beneath tile and stone surfaces
- Can be cut and fitted on site for custom applications
- Suitable for new construction, remodeling, and renovation projects
- Manufactured in the United States
Common Applications
- Custom shower pan construction
- Tile shower waterproofing systems
- Wet rooms
- Roman tubs
- Whirlpool bath enclosures
- Commercial shower facilities
- Fountains and water features
- Roof deck waterproofing projects
- Multi-family residential construction
- Hospitality and institutional projects
Installation Information
Proper substrate preparation is essential for long-term waterproofing performance. The membrane should be installed according to manufacturer recommendations and applicable building codes. Proper drain integration, waterproof detailing, and flood testing are recommended before covering the membrane with mortar and finished flooring materials.
For seam construction and accessory components, use approved Composeal installation products and follow manufacturer installation procedures.
Why Choose Composeal Grey?
Composeal waterproofing membranes have been trusted by tile contractors, builders, and waterproofing professionals for decades. Unlike preformed waterproofing pans that may restrict design flexibility, Composeal allows installers to create custom waterproofing systems tailored to the exact requirements of the project while providing reliable moisture protection beneath tile and stone assemblies.
The 40 mil thickness provides a durable waterproofing layer suitable for demanding environments where moisture control is critical. Whether used in residential bathrooms, commercial shower facilities, roof deck applications, or water feature construction, Composeal Grey delivers proven waterproofing performance.
Made in the U.S.A.
Helpful Resources
- Composeal Grey 40 Mil PVC Waterproofing Membrane SDS
- Composeal Grey 40 Mil PVC Installation Instructions
- Composeal Grey 40 Mil PVC Specifications & Technical Data
- Composeal Waterproofing Videos
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