Underlayment
118,651 products from our full catalogue — flooring, tile, trims, tools & more.
Shop by brand
Ardex
Ardex - 8 Rapid Waterproofing & Crack Isolation Compound, Liquid - 11.36 L
$1.42 /sq ft$427.10/box
Ardex
Ardex - 9 Rapid Waterproofing & Crack Isolation Compound, Powder, Gray - 27 lb
$0.21 /sq ft$63.85/box
Ardex
Ardex - 9 Rapid Waterproofing & Crack Isolation Compound, Powder, White - 27 lb
$0.37 /sq ft$109.65/box
Ardex
Ardex - Rapid Waterproofing & Crack Isolation Kit Ardex 8+9 Gray
$1.85 /sq ft$185.45/box
Ardex
Ardex - Rapid Waterproofing & Crack Isolation Kit Ardex 8+9 White
$1.96 /sq ft$195.55/box
Custom Building Products
Custom Building Products - Crack Isolation Tile & Stone Underlayment EasyMat 4' x 100' - 3 mm (400 sqft)
$2.21 /sq ft$883.40/box
Custom Building Products
Custom Building Products - Tile & Stone Crack Isolation Underlayment EasyMat 4' x 10' - 5 mm (40 sqft)
$4.69 /sq ft$187.75/box
Custom Building Products
Custom Building Products - Tile & Stone Crack Isolation Underlayment EasyMat 4' x 30' - 12 mm (120 sqft)
$9.36 /sq ft$1,123.00/box
Custom Building Products
Custom Building Products - Tile & Stone Crack Isolation Underlayment EasyMat 4' x 75' - 5 mm (300 sqft)
$2.94 /sq ft$883.40/box
Custom Building Products
Custom Building Products - Tile & Stone Crack Isolation Underlayment EasyMat Peel & Stick 4' x 75' - 5 mm (300 sqft)
$3.31 /sq ft$994.30/box
Wedi
Wedi - Preformed Waterproofing Corner S-DRY Inside Corner 135° (Pack of 2)
$23.40 /each
Wedi
Wedi - Preformed Waterproofing Corner S-DRY Inside Corner 90° (Pack of 2)
$22.95 /each
Wedi
Wedi - Preformed Waterproofing Corner S-DRY Outside Corner 135° (1 Left + 1 Right)
$49.00 /each
Wedi
Wedi - Preformed Waterproofing Corner S-DRY Outside Corner 90° (Pack of 2)
$22.95 /each