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GURU W-S Waterproofing Membrane Sheet

GURU W-S Waterproofing Membrane Sheet is a professional-grade shower waterproofing membrane built to protect walls and floors from moisture infiltration. Ideal for showers, tub surrounds, steam showers, and kitchens, it delivers a reliable, long-lasting moisture barrier. Its multi-layer, low-perm construction ensures easy installation and crack isolation, giving contractors and tile installers confidence in every project.

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Original price $0.00 - Original price $0.00
Original price $0.00
$64.81
$64.81 - $79.08
Current price $64.81
Availability:
5 in stock!
Availability:
4 in stock!
Availability:
5 in stock!
SKU GURU-WS-MEMBRANE-27-IFU5502
Size: 26 sq ft (4' x 6'7")

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Description

GURU Water-Stop Shower Waterproofing Membrane Sheet is a professional-grade waterproofing membrane designed for tile installers and contractors. Ideal for tile shower waterproofing, this high-performance membrane delivers reliable protection against moisture infiltration, ensuring your shower walls and floors remain leak-free and durable.

Key Features of the W-S Waterproofing Membrane

  • Premium Tile Waterproofing Membrane: Engineered with multi-layer, low perm technology for superior moisture barrier performance.
  • Certified Quality: Meets ANSI A118.10 and ANSI A118.12 standards, with IAPMO acceptance for code-compliant installations.
  • Versatile Shower Waterproofing Membrane: Suitable for use on shower walls, tub surrounds, steam showers, kitchens, and other moisture-prone areas.
  • Crack Isolation: Protects tile and stone surfaces from common substrate movement and shrinkage cracks.
  • Easy Installation: Bonds quickly with modified thin-set mortar suitable for thin-bed and thick-bed tile installations.
  • Durable and Flexible: 20-mil thick membrane designed to withstand extreme temperature and humidity conditions.
  • GURU USA Trusted Product: Part of the GURU WaterproofingproductsĀ® line, recognized nationwide by professional contractors.

GURU W-S MembraneĀ Specifications

Specification Details
Material Type Multi-layer steam barrier waterproof membrane
Standards ANSI A118.10, ANSI A118.12, IAPMO approved
Suitable Applications Shower walls, tub surrounds, steam showers, kitchens, backsplashes, balconies
Installation Method Bond with modified thin-set mortar compliant with ANSI standards

GURU W-S Membrane Sheet Sizes

Part No. Size Thickness Coverage
IFU5502 4’ x 6’ 7ā€ 20 Mil 26 Sq. Ft.
IFU5501 5’ x 6’ 7ā€ 10ā€ 20 Mil 32 Sq. Ft.
IFU5503 6’ 7ā€ x 6’ 7ā€ 20 Mil 43 Sq. Ft.

Usage Tips for Shower Waterproofing Membrane

  • Ensure substrate surfaces are clean, dry, and structurally sound before membrane application.
  • Use a modified thin-set mortar suitable for the substrate type and conforming to ANSI standards for bonding the membrane.
  • Overlap membrane seams properly to maintain a continuous waterproof barrier.
  • Seal pipe penetrations and corners with compatible waterproofing accessories from GURU USA to ensure a watertight installation.

ChooseĀ GURU Water-Stop Shower Waterproofing Membrane Sheet to safeguard your tile installations with industry-trusted, long-lasting protection. Order now to provide your clients with the highest standard in shower waterproofing membranes, backed by the quality and reliability of GURU WaterproofingproductsĀ®.

Frequently Asked Questions

What is the GURU W-S Membrane Sheet used for?
The GURU W-S Membrane Sheet is used for waterproofing showers, tub surrounds, steam showers, and other moisture-prone areas. It provides a durable, high-performance barrier that protects tile and stone installations from water infiltration.
Can the GURU W-S Membrane Sheet be used in showers?
Yes, the GURU W-S Membrane Sheet is designed specifically for tile shower waterproofing. It bonds easily with modified thin-set mortar and is ANSI A118.10, ANSI A118.12, and IAPMO approved for code-compliant installations.
What sizes are available for the GURU W-S Membrane Sheet?
The GURU W-S Membrane Sheet comes in three precut sizes: 4’ x 6’ 7ā€, 5’ x 6’ 7ā€ 10ā€, and 6’ 7ā€ x 6’ 7ā€. Each sheet is 20 mil thick, covering between 26 and 43 square feet depending on the size.
How should the GURU W-S Membrane Sheet be installed?
The GURU W-S Membrane Sheet should be applied to clean, dry, and structurally sound surfaces. Overlap seams correctly, use compatible waterproofing accessories for corners and penetrations, and bond the sheet with a modified thin-set mortar for a continuous, watertight barrier.
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