
WaterproofingSKU APT-WB-1235
XPS Foam Tile Backer Board — 1/2" × 3' × 5'
- 1/2 in thick, 3 × 5 ft sheet
- Waterproof & vapor retarding
- Cuts with a utility knife
$24.50
per sheet
$220.50
case of 10 · $22.05 ea

Shower Systems
SKU APT-SH-3560L
Factory-sloped foam shower base with integrated drain flange, ready to tile.
Contractor/volume pricing available. Request a quote
| Size | 36 in × 60 in |
|---|---|
| Drain position | Offset (left or right) |
| Slope | 1/4 in per foot |
| Core | High-density XPS foam |
| Drain | 2 in ABS / PVC bonding flange included |
| Weight | Approx. 18 lb |
A pre-sloped, waterproof foam shower base that eliminates the mud bed. The integrated drain flange and consistent 1/4 in per foot slope give you a flat, accurate base for large-format or mosaic tile in a fraction of the time.
Often bought together



