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PROVA Protegga Plus Uncoupling Membrane Tile Underlayment

PROVA Protegga Plus Uncoupling Membrane Tile Underlayment

$87.44
$87.44 - $406.19
$87.44
$69.95
$69.95 - $324.95
$69.95

PROVA Protegga Plus is a premium uncoupling membrane engineered to protect your tile installations from cracks, moisture, and movement. Its structured polypropylene core absorbs stress between the tile and subfloor, preventing cracked grout and tile over time. Seal seams with PROVA Joint for a fully waterproof layer, ideal for bathrooms, laundries, and basements. 

  • Uncoupling Protection – Neutralizes subfloor movement to prevent cracks in tile and grout.
  • Waterproof System Compatibility – The membrane itself is waterproof; seal seams with PROVA Joint for a complete moisture barrier.
  • Vapor Management – Allows moisture to safely dissipate.
  • Heavy Load Support – Rigid cavity structure distributes weight evenly.
  • Lightweight & Easy to Install – Saves time & labor: easy to cut & install.
  • Versatile Applications - Approved for residential & commercial installs.
  • Lifetime System Warranty – Covered when installed as part of the PROVA Tile Underlayment System.
Specifications

Thickness: 1/8 inch (3.5 mm)
Width: 3.28' (1 m)
Length: Varies depending on square feet
Stud Spacing: 0.67 inch centers (17 mm)
Material: Polypropylene with non-woven polypropylene fleece backing
Warranty: Limited Lifetime (T&Cs Apply)
Certification: Tested to ASTM C627 with Extra Heavy Performance Rating
Applications: Interior residential and commercial tile applications . Not recommended for exterior applications.
Suitable Substrates: Cement slabs and wood substrates.
Setting Material: Premium polymer modified thinset mortar required

Approvals:
ASTM C627 Robinson Floor Test - Extra Heavy Performance (over concrete)
ANSI A118.12 - Point load test, shear strength, crack resistance, and mold resistance

Downloads

Installation Instructions: Protegga Plus Installation Instructions.pdf
Sell Sheet: Protegga Plus Sell Sheet.pdf
Product Sheet: Protegga Plus Product Sheet.pdf
Safety Data Sheet: Protegga Plus Safety Data Sheet.pdf
Warranty: PROVA Tile Installation Products Lifetime Warranty.pdf

Select Size: 33.5 sqft
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Protegga Plus Features

Protegga Plus Features

  • Low-profile design — just 1/8" (3.5 mm) thick for minimal floor height change without compromising strength

  • Lightweight, easy-to-cut alternative to traditional cement backer board or plywood, reducing labor time, mess and effort

  • Versatile installation - installs easily over concrete, plywood, OSB and more

  • Multi-function performance: uncouples the tile from the substrate, creates a waterproof barrier, manages vapor, and evenly distributes heavy loads for long-term durability

  • Patented Shear Stress Control® technology with non-woven anchoring fleece to absorb movement and prevent stress cracks in tile

  • Integrated moisture-dissipation channels on the underside allow any trapped vapor to escape, protecting the subfloor

  • Tested to ASTM C627, achieving an EXTRA HEAVY performance rating suitable for high-traffic residential and commercial spaces

Testimonials