Lightweight and durable
- Easy to Cut
- Quick Installation
PermaBASE™ Foam Tile Backer is an exceptionally lightweight, durable waterproof tile backer board designed for interior tile and stone applications. It is ideally suited for walls, showers, tub surrounds, backsplashes, floors and countertops.
- Waterproof tile backer prevents water from causing harmful damage.
- Passes ANSI A118.10 for waterproofness.
- Mold resistant per UL 2824.
- Made from a high-density foam with specially coated facers.
- Ultra-lightweight, yet durable enough for demanding applications.
- For interior application information, click here.
Video: Step-by-step demonstration of how to install PermaBASE™ Foam Tile Backer in a shower application.
Products that suit any project criteria
Shower, Kitchen, Floors, Bathtub
Tips & Tools
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Frequently Asked Questions
Ready to answer your product and installation questions
What makes PermaBASE™ Foam Tile Backer waterproof?
A coated fiberglass facer and waterproof foam core provide the waterproof performance to meet ANSI A118.10 requirements for waterproofness.
What do I tape the Foam Tile Backer joints with?
2” Alkali resistant mesh tape and modified tile mortar.
How do I create a waterproof installation?
All joints and fastener heads must be treated with waterproofing material to complete the waterproof installation.
What kind of fasteners do I use to install PermaBASE™ Foam Tile Backer?
Corrosion resistant screw or galvanized roofing nails. Strongly suggest PermaBASE screws since they do not have nibs like competitor screws.
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Unifix is the exclusive service provider for products manufactured by PermaBASE Building Products, LLC.