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PROVA Board Plus+ Waterproof Tile Backer Board

PROVA Board Plus+ Waterproof Tile Backer Board

$241.25
$241.25 - $14,083.75
$241.25
$193.00
$193.00 - $11,267.00
$193.00
6.0item | $32.17 / item

PROVA Board Plus+ is a lightweight, waterproof high-density XPS foam tile backer board that replaces heavy, moisture-prone cement boards with a cleaner, faster, and more reliable solution. It creates a strong, durable, waterproof, and mold-resistant surface for showers, bathrooms, and wet areas — saving installers time and effort while ensuring lasting protection.

  • Superior Moisture Resistance – Closed-cell XPS core prevents leaks, rot, and microbial growth.
  • Closed-Cell  - Won't absorb or wick moisture like open-cell products.
  • Installer-Friendly – Cuts with a knife — no dust, no power tools, no mess.
  • Rigid & Load-Bearing – Supports large-format tile and heavy stone.
  • Easier Handling – Up to 80% lighter than cement board.
  • Long Term Performance - Will not warp, deform, or rot over time.
  • System Compatible - Seamlessly integrates with PROVA Seal and PROVA Fasteners and Washers for a complete waterproof system.
  • Lifetime Warranty - Covered by PROVA Lifetime Warranty if installed in complete PROVA Board Waterproofing System.
Specifications

Thickness: 1/2 inch (12.7 mm)
Material: High-density closed-cell extruded polystyrene core (XPS) with reinforcing fiberglass mesh and cementitious coating on both sides.
Warranty: Limited Lifetime (T&Cs Apply)
Certification: IAPMO R&T & IC-ES Certified (Listing No. PMG-1794)
Installation: Install with PROVA Fasteners & PROVA Seal to guarantee waterproof installation
Suitable Substrates: Ceilings, walls or floors -wood or metal joists & studs.

Board Size Options:
32" x 48" - 10.67 sqft per board
48" x 96" - 32 sqft per board

Complies To:
IAPMO PS 106-2015e1 Standard
Uniform Plumbing Code
National Plumbing Code of Canada
ASTM C627 Robinson Floor Test - Light Commercial Rating

Downloads

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

Board Size: 32" x 48"
Total Coverage: 64 sqft (6 boards)
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Backer Board Reimagined

Backer Board Reimagined

  • 100% Waterproof – Inherently waterproof XPS foam tile backer board with effective vapor resistance. Protects walls, floors, and subfloors from water damage, leaks, and mold.

  • Closed-Cell Integrity – Maintains full waterproof performance even if the outer surface is cut or punctured. Unlike open-cell materials, it will not absorb or wick moisture.

  • Mold & Mildew Resistant – Non-organic composition prevents microbial and fungal growth for long-term durability and a cleaner, healthier installation.

  • Long Term Durability – PROVA-Board will not warp, swell, or deteriorate over time—preventing tile cracks and grout failures for a long-lasting, beautiful tile install.

  • Thermal Insulation - XPS foam core delivers excellent insulating value, ideal for saunas, or residential steam rooms (requires installation in conjunction with PROVA Mat).

  • Lifetime System Warranty – Backed by PROVA’s lifetime warranty when installed as part of the full waterproofing system—peace of mind built in.

  • IAPMO R&T Certified – Tested and compliant with Uniform Plumbing Code (UPC®) & National Plumbing Code of Canada for waterproof tile assemblies.
Build Smarter, Not Harder with PROVA Board

Build Smarter, Not Harder with PROVA Board

  • Ultra-Lightweight & Easy to Handle – Up to 70% lighter than cement board for effortless transport and installation. Reduce fatigue and speed up every job.

  • Clean, Dust-Free Cutting – Score and snap with a standard utility knife—no saws, no silica dust, no mess. Ideal for occupied spaces, remodels, and tight installations.

  • Fast, Hassle-Free Installation – Cut, fit, and bond in minutes using PROVA Seal Hybrid Sealant and PROVA Fasteners. Minimizes prep time and cleanup.

  • Rigid, Solid Backing – High compressive strength supports large-format and natural stone tile installations without deflection or sag.

  • Tile-Ready Surface – Cementitious outer coating with fiberglass mesh delivers a flat, solid surface for tile —ensuring superior adhesion and long-term performance.

  • Versatile Applications – Suitable for showers, tub surrounds, saunas, wet rooms, countertops, backsplashes, and more.

  • System Integration – Designed to work seamlessly with PROVA Fasteners, PROVA Seal, and other PROVA waterproofing components for a complete, warrantied system.

Testimonials