Everbilt 36 in. x 48 in. x 1/4 in. XPS Foam Waterproof Back Board for Tile Floors (5-Pack) 41278 - The Home Depot

The 24 x 48 x 2 bench backer boards create a perfect waterproof seating solution (both shower benches and shower seats) for your shower, and are

24 in. x 48 in. x 2 in. XPS Waterproof Backer Board for Shower Benches and Seats (sold in carton of 3 - 24 sqft total)

No matter the quality, cost, or extravagance of a tile installation project, the integrity of the tile is only as good as its foundation. This thin and ultra lightweight 18 in. x 36 in. x 1/8 in. waterproof backer board is specific for bathroom and kitchen backsplashes and mosaic tiles. Because some backsplashes and mosaic tiles are thinner than most standard tile sizes, this 1/8 in.

Everbilt 18 in. x 36 in. x 1/8 in. XPS Foam Waterproof Backer Board for Mosaic Tile Underlayment Inlays (3-pack)

Everbilt 36 in. x 60 in. Waterproof Shower Pan with Off-Center Drain (Drain Assembly Included) EVB3660SBOC - The Home Depot

Everbilt Waterproof Underlayment Outside Corners (2-Pack) EVBWPOC2PK - The Home Depot

Foam Board Insulation at Menards®

The Everbilt Shower-Kit contains all the components to create a watertight shower assembly. The prefabricated, pre-waterproofed and pre-sloped shower

36 in x 48 in Shower Kit with Center Drain Flange

Everbilt 36 in. x 48 in. x 1/4 in. XPS Foam Waterproof Back Board

Everbilt 18 in. x 36 in. x 1/8 in. XPS Foam Waterproof Backer

15/32 in. x 4 ft. x 8 ft. BC Sanded Pine Plywood 201429 - The Home Depot

Everbilt 36 in. x 48 in. Waterproof Shower Pan with Center Drain (Drain Assembly Included) EVB3648SBC - The Home Depot