Underlayment
118,651 products from our full catalogue — flooring, tile, trims, tools & more.
Shop by brand
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 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 - Mapesonic 2 All-in-One Acoustic Underlayment 39" x 49.2' - 1.93 mm (160 sqft)
$3.79 /sq ft$568.01/box
Mapei
Mapei - Moisture Barrier & Bonding Agent Planiseal PMB One-Component Polyurethane Pail 13.2 L
$697.02 /each
Mapei
Mapei - Moisture Reduction Barrier Planiseal VS Alkali-Resistant Epoxy Part A Pail 8.33 L
$550.80 /each
Mapei
Mapei Planiseal MBT Tape-Based Moisture Barrier and Primer 0.7 m x 30.5 m (21.6 m²)
$3.79 /sq ft$882.99/box
Mapei
Mapei - Planiseal MSP Moisture-Control Membrane Pail 15.1 L
$584.85 /each
Mapei
Mapei - Planiseal VS Fast Moisture Reduction Barrier Alkali-Resistant Epoxy Part A Pail of 7.95 L
$534.19 /each
Mapei
Mapei - Reinforcing Fabric 38" x 75'
$0.50 /sq ft$119.20/box
Mapei
Mapei Self-Adhering Membrane Kit Planiseal SA 39-3/8" x 61' - 63 mm (200 sqft)
$2.82 /sq ft$564.11/box
Mono Serra
Mono Serra Hardwood Underlayment 4' x 50' - 0.5 mm (400 sqft)
$0.09 /sq ft$35.11/box
Mono Serra
Mono Serra Laminate Underlayment 35" x 68.6' - 2.8 mm (200 sqft)
$0.13 /sq ft$26.38/box
Mono Serra
Mono Serra Laminate Underlayment Zito 35" x 34.3' - 3.2 mm (100 sqft)
$0.56 /sq ft$56.23/box
Mono Serra
Mono Serra Laminate Underlayment Zito 48" x 50' - 2.1 mm (200 sqft)
$0.22 /sq ft$43.98/box
Mono Serra
Mono Serra Vinyl Underlayment Zito 48" x 50' - 1.5 mm (200 sqft)
$0.28 /sq ft$56.38/box
Planchers 1867
Planchers 1867 Carpet Acoustic Underlayment DURACUSHION 54" x 36' - 6 mm (162 sqft)
$1.38 /sq ft$223.71/box
Planchers 1867
Planchers 1867 DURA-SON Membrane 216 sqft
$1.14 /sq ft$246.08/box
Planchers 1867
Planchers 1867 Membrane SONO Polyethylene Foam Discretion White 48" x 50' - 2 mm (200 sqft)
$0.13 /sq ft$25.42/box
Planchers 1867
Planchers 1867 Membrane with Silver Foil SONO EVA Black 48" x 50' - 3 mm (200 sqft)
$0.24 /sq ft$47.97/box
Planchers 1867
Planchers 1867 SONO + 2 mm Waxed Paper Membrane 750 sqft
$0.05 /sq ft$35.66/box
Planchers 1867
Planchers 1867 SONO + Blue Foam Laminate Membrane 200 sqft roll
$0.07 /sq ft$13.15/box