Underlayment
118,651 products from our full catalogue — flooring, tile, trims, tools & more.
Shop by brand
Leggett & Platt
Leggett & Platt - Underpad Royal Flex - 5/16" x 54" x 30' (135 sqft)
$1.19 /sq ft$177.94/box
Mapei
Mapei - Fiberglass Mesh Reinforcement Net, Roll - 39 3/8" x 328'
$614.46 /each
Mapei
Mapei - Mapecontact MRT Moisture-Resistant Tape 36" x 166' (498 sqft)
$2.68 /sq ft$1,335.23/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 35 [NA] Uncoupling, Crack-Isolation & Waterproofing Membrane 3' 3" x 98' 4" - 3 mm (323 sqft)
$2.16 /sq ft$699.05/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 Latex 208 L
$2,998.72 /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 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 - Reinforcing Fabric 38" x 75'
$0.50 /sq ft$119.20/box
Mapei
Mapei - Reinforcing Fabric 6" x 75'
$0.94 /sq ft$35.34/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