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

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

Tile Backer Board Breakdown which one is best for showers

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

Everbilt 36 in. x 48 in. x 1/4 in. XPS Waterproof Backer Board for Tile Floors (30 per pallet) EVB3648060BP - The Home Depot

Foam Board Insulation at Menards®

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

FanFlex: Lightweight flexible crests and patches that fold easy. - FanTex: An all-new super comfortable soft fabric. - FanFit: The authentic on-ice

Everbilt 32 in. x 4 ft. x 1/2 in. XPS Foam Waterproof Backer Board Underlayment for Wall Tile and Stone (5-Pack)

Foam Board Insulation at Menards®

Tile Backer Board Breakdown which one is best for showers