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PROVA Protegga Plus Uncoupling Membrane Tile Underlayment

Original price $87.44
Original price $87.44 - Original price $406.19
Original price $87.44
Current price $69.95
$69.95 - $324.95
Current price $69.95

The PROVA Protegga Plus Uncoupling Membrane Underlayment is engineered to deliver exceptional uncoupling and load support beneath tile installations—whether you're working on a bathroom, kitchen, or high-traffic commercial space.

With its innovative lightweight polypropylene core and structured cavities, Protegga Underlayment effectively neutralizes subfloor movement, reducing stress transfer and eliminating cracked grout and tile. Its waterproof layer also simplifies moisture management—making it ideal for wet areas like bathrooms and laundry rooms.

Whether you're a professional contractor or serious DIYer, Protegga Plus Tile Underlayment offers:

  • Crack Isolation – Decouples tile from subfloor movement for a long-lasting finish
  • Waterproof Barrier – Built-in protection against moisture infiltration
  • Heavy Load Support – Withstands the rigors of foot traffic and furniture
  • Fast, Easy Installation – Lightweight and easy to cut, saving time on site
  • Versatile Application – Use over plywood, OSB, concrete, or heated floors

Upgrade your tile installation with confidence—Protegga Tile Underlayment delivers protection you can trust.

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