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
Mapei
Mapei - Mapeguard 2 Crack Isolation, Waterproofing and Sound Reduction Membrane 39-3/8" x 68-5/8' - 1 mm (225 sqft)
$2.54 /sq ft$572.23/box
Mapei
Mapei - Mapeguard UM Membrane (Sold in Linear Feet)
$2.53 /sq ft$8.31/box
Mapei
Mapei - Mapeguard UM Premium-Performance Vapor-Pressure-Equalizing Underlayment Membrane 39" x 16' 4"
$3.01 /sq ft$162.07/box
Mapei
Mapei - Mapeguard UM Premium-Performance Vapor-Pressure-Equalizing Underlayment Membrane 39" x 98' 4"
$1.95 /sq ft$629.43/box
Mapei
Mapei - Mapeguard WP 200 Crack Isolation & Waterproofing Membrane Roll 39-3/8" x 98' 4" (323 sqft)
$2.18 /sq ft$705.23/box
Mapei
Mapei - Mapelastic 315 Cement-Based Crack Isolation & Waterproofing Membrane 50 lb
$50.58 /each
Mapei
Mapei - Mapelastic 315 Cement-Based Crack Isolation & Waterproofing Membrane Kit 34 lb
$92.72 /each
Mapei
Mapei - Mapelastic 315 Cement-Based Crack Isolation & Waterproofing Membrane Latex 208 L
$2,998.72 /each
Mapei
Mapei - Mapelastic 315 Cement-Based Crack Isolation & Waterproofing Membrane Latex 7.57 L
$111.14 /each
Mapei
Mapei - Mapelastic CI Professional Crack-Isolation Membrane - 13.2 L
$0.95 /sq ft$236.33/box
Mapei
Mapei - Mapelastic HPG Flexible Waterproofing & Crack-Isolation Membrane - 18.9 L
$294.71 /each
Mapei
Mapei - Mapelastic HPG Flexible Waterproofing & Crack-Isolation Membrane - 3.79 L
$72.90 /each
Mapei
Mapei - Mapelastic Liquid Waterproofing Membrane Part B 7.56 L
$153.05 /each
Mapei
Mapei - Mapelastic Part A Silver 50 lb
$66.65 /each
Tarkett
Tarkett - Subfloor Leveler - LS 40 4'
$7.50 /each
Tarkett
Tarkett - Subfloor Leveler - LS 40 B 4'
$8.65 /each
Tarkett
Tarkett - Subfloor Leveler - LS 40 C 4'
$10.65 /each
Tarkett
Tarkett - Subfloor Leveler - LS 40 D 4'
$11.65 /each
Tarkett
Tarkett - Subfloor Leveler - LS 40 E 4'
$17.05 /each