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GURU G-FLEX Uncoupling Membrane

GURU G-FLEX Uncoupling Membrane is a high-performance tile underlayment designed to provide crack isolation and waterproofing with an HDPE core and geotextile backing for commercial and residential installations.

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Original price $0.00 - Original price $0.00
Original price $0.00
$38.21
$38.21 - $536.85
Current price $38.21
Availability:
15 in stock!
Availability:
7 in stock!
SKU GURU-G-FLEX-CUSTOM-CUT-23SF
Size: 23 sq ft (3'3" x 7'1")

Free Shipping On Most Orders $200 or More!

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Description

GURU G-FLEX Uncoupling Membrane is a high-performance tile underlayment engineered to provide crack isolation and waterproofing for residential and commercial installations. Its polyethylene core and geotextile fiber backing form a stable uncoupling layer that helps prevent tile cracking caused by substrate movement while delivering dependable moisture management.

Key Features

  • Uncoupling Layer: Helps prevent cracks from transferring through the tile surface.
  • Waterproof Construction: Acts as a vapor barrier to support moisture control under tile.
  • HDPE Membrane: Made from high-density polyethylene with a raised circular structure for stability.
  • ANSI Certified: Meets ANSI A118.10 and ANSI A118.12 requirements for waterproofing and crack isolation.
  • Versatile Application: Suitable for high-demand environments such as kitchens, breweries, airports, and food-processing areas.
  • High-Traffic Thickness: 1/8" membrane profile supports performance in heavy-use spaces.

Specifications

Specification Details
Material Thickness 0.02"
Membrane Thickness 1/8" (3 mm)
Core Material High-Density Polyethylene (HDPE)
Backing Material Thermo-bonded Polypropylene Fiber
Color Red
Temperature Range -22°F to +176°F

GURU G-FLEX Uncoupling Membrane offers crack isolation, moisture protection, and a stable installation base for demanding tile environments.

Guru Waterproofing Products

Frequently Asked Questions

What does this membrane protect against?
GURU G-FLEX Uncoupling Membrane helps prevent cracking caused by substrate movement and supports moisture control beneath tile installations.
Is this membrane certified for waterproofing?
Yes. GURU G-FLEX Uncoupling Membrane meets ANSI A118.10 for waterproofing and ANSI A118.12 for crack isolation.
Where can this membrane be used?
GURU G-FLEX Uncoupling Membrane is suitable for commercial and residential applications including kitchens, food plants, breweries, and high-traffic environments.
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