Waterproofing Underlayment(85)
Uses item details. Price when purchased online
QuietWalk 100 sq ft Acoustical Underlayment with Built-In Vapor Barrier for Laminate and Engineered Wood From $49.93

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From$4993
QuietWalk 100 sq ft Acoustical Underlayment with Built-In Vapor Barrier for Laminate and Engineered Wood
1024.6 out of 5 Stars. 102 reviews
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VEVOR Floor Underlayment 200 sq. ft/Roll, 3-in-1 3 mm Thick Flooring Padding with Tape & Vapor Barrier, Heavy Duty EPE Foam with Gold PE, Soundproofing and Noise Reduction, for Laminate Wood Floors $62.90 Was $69.99

Sponsored
Now$6290
current price Now $62.90, Was $69.99$69.99
VEVOR Floor Underlayment 200 sq. ft/Roll, 3-in-1 3 mm Thick Flooring Padding with Tape & Vapor Barrier, Heavy Duty EPE Foam with Gold PE, Soundproofing and Noise Reduction, for Laminate Wood Floors
25 out of 5 Stars. 2 reviews
VEVOR Floor Underlayment 200 sq. ft/Roll, 3-in-1 3 mm Thick Flooring Padding with Tape & Vapor Barrier, Heavy Duty EPE Foam with Blue PE, Soundproofing and Noise Reduction,for Laminate Wood Floors $48.99

Sponsored
$4899
current price $48.99VEVOR Floor Underlayment 200 sq. ft/Roll, 3-in-1 3 mm Thick Flooring Padding with Tape & Vapor Barrier, Heavy Duty EPE Foam with Blue PE, Soundproofing and Noise Reduction,for Laminate Wood Floors
35 out of 5 Stars. 3 reviews
VEVOR Floor Underlayment 400 sq. ft, 3mm Laminate Flooring Padding with Attached Vapor Barrier, Heavy Duty Fiber+PE Film, Soundproofing & Noise Reduction for Vinyl & Wood(2 Rolls x 200 sq. ft) $148.99

Sponsored
$14899
current price $148.99VEVOR Floor Underlayment 400 sq. ft, 3mm Laminate Flooring Padding with Attached Vapor Barrier, Heavy Duty Fiber+PE Film, Soundproofing & Noise Reduction for Vinyl & Wood(2 Rolls x 200 sq. ft)
HydroShield Self Adhering Ice and Water Shield Underlayment From $122.66

3 options
Available in additional 3 optionsFrom$12266
HydroShield Self Adhering Ice and Water Shield Underlayment
33.7 out of 5 Stars. 3 reviews
Dekorman 100 sq. ft. 6mil Blue Polyethylene Moisture Barrier and Vapor Barrier underlayment $24.45

$2445
current price $24.45Dekorman 100 sq. ft. 6mil Blue Polyethylene Moisture Barrier and Vapor Barrier underlayment
14 out of 5 Stars. 1 reviews
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Dekorman 2mm Thickness 2-N-1 Moisture Barrier Blue Foam Underlayment (100 Sq. ft./Roll) 2BF1 From $20.80

2 options
Available in additional 2 optionsFrom$2080
Dekorman 2mm Thickness 2-N-1 Moisture Barrier Blue Foam Underlayment (100 Sq. ft./Roll) 2BF1
994.6 out of 5 Stars. 99 reviews
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Waterproof Membrane for Shower Waterproofing Shower Waterproof for Sauna Bathroom Walls Tile Underlayment $23.60

$2360
current price $23.60Waterproof Membrane for Shower Waterproofing Shower Waterproof for Sauna Bathroom Walls Tile Underlayment
HydroShield Self Adhering Ice and Water Shield HT Underlayment

HydroShield Self Adhering Ice and Water Shield HT Underlayment
27 Sqft Uncoupling Membrane for Tile Floor Self-Adhesive Tile 1/8''(3.3mm) Uncoupling Membrane Waterproofing Crack Prevention Anti Fracture Flooring Underlayment for Bathroom Kitchen $109.98

$10998
current price $109.9827 Sqft Uncoupling Membrane for Tile Floor Self-Adhesive Tile 1/8''(3.3mm) Uncoupling Membrane Waterproofing Crack Prevention Anti Fracture Flooring Underlayment for Bathroom Kitchen
KFFKFF Nautical Mat, 6 x 36 ft Vessel Flooring, Deep Black Nautical Grade Vessel Mat, Interior/Exterior Nautical Matting with Water-resistant TPR Underlay, Water-resistant Mat Roll for Residence $119.99

Sponsored
$11999
current price $119.99KFFKFF Nautical Mat, 6 x 36 ft Vessel Flooring, Deep Black Nautical Grade Vessel Mat, Interior/Exterior Nautical Matting with Water-resistant TPR Underlay, Water-resistant Mat Roll for Residence
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PRODURA 5 in 1 Sound/Thermal/Vapor Barrier,Odorless,Acoustics, 3mm, 400sqft underlayment, Green $149.00

Sponsored
$14900
current price $149.00PRODURA 5 in 1 Sound/Thermal/Vapor Barrier,Odorless,Acoustics, 3mm, 400sqft underlayment, Green
25 out of 5 Stars. 2 reviews
MP Global Products Moisture/Vapor Barrier Underlayment for Laminate, Engineered and Hardwood Floors $16.13

$1613
current price $16.13MP Global Products Moisture/Vapor Barrier Underlayment for Laminate, Engineered and Hardwood Floors
154.5 out of 5 Stars. 15 reviews
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Waterproofing Membrane for Shower 3.8x33feet (125 Sq Ft) 23.6 Mil Thick Uncoupling Polyethylene Fabric Tile Underlayment Waterproof Shower Membrane for Sauna Bathroom Kitchen M034 $79.98

$7998
current price $79.98Waterproofing Membrane for Shower 3.8x33feet (125 Sq Ft) 23.6 Mil Thick Uncoupling Polyethylene Fabric Tile Underlayment Waterproof Shower Membrane for Sauna Bathroom Kitchen M034
Dekorman 300 sq. ft. 6 mil Blue Virgin Polyethylene Moisture Barrier and Vapor Barrier Underlayment $66.93

$6693
current price $66.93Dekorman 300 sq. ft. 6 mil Blue Virgin Polyethylene Moisture Barrier and Vapor Barrier Underlayment
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Ultra HT Window and Water Seal 48268 Self-Adhesive Waterproofing Underlayment, 36 in W x 40 mil T per ROLL

Ultra HT Window and Water Seal 48268 Self-Adhesive Waterproofing Underlayment, 36 in W x 40 mil T per ROLL
Waterproof Membrane for Shower, 3.3 FT x 98.5 FT Roll (323 Sq Ft), 23.6 Mil Thickness Polyethylene Fabric Tile Underlayment Waterproof Membrane for Bathroom, Kitchen, Saunas and Wet Areas $95.99

$9599
current price $95.99Waterproof Membrane for Shower, 3.3 FT x 98.5 FT Roll (323 Sq Ft), 23.6 Mil Thickness Polyethylene Fabric Tile Underlayment Waterproof Membrane for Bathroom, Kitchen, Saunas and Wet Areas
ChemelexUncoupling Membrane 54 Sq Ft Roll (3' 3'' x 16.5') NUMEM054 Non-Woven Polypropylene Heating Pad, Waterproof Anti-Fracture Floor Underlayment for Heating Systems$$Tools & Hardware Other $176.66

$17666
current price $176.66ChemelexUncoupling Membrane 54 Sq Ft Roll (3' 3'' x 16.5') NUMEM054 Non-Woven Polypropylene Heating Pad, Waterproof Anti-Fracture Floor Underlayment for Heating Systems$$Tools & Hardware Other
MP Global Products 100 sq ft DuoFoam Underlayment with Self-Seal Tape $27.33

$2733
current price $27.33MP Global Products 100 sq ft DuoFoam Underlayment with Self-Seal Tape
94.9 out of 5 Stars. 9 reviews
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PRODURA 200sqft 3mm Thick 3-in-1 Superior Vapor Barrier and Acoustics Plus Foam UNDERLAYMENT with self-Sealing Lip and Tape - Laminate, Vinyl, WPC, SPC, Bamboo, Engineered, and Solid Hardwood Floor $63.99

Sponsored
$6399
current price $63.99PRODURA 200sqft 3mm Thick 3-in-1 Superior Vapor Barrier and Acoustics Plus Foam UNDERLAYMENT with self-Sealing Lip and Tape - Laminate, Vinyl, WPC, SPC, Bamboo, Engineered, and Solid Hardwood Floor
15 out of 5 Stars. 1 reviews
Waterproof Membrane for Shower, 3.3 FT x 98.5 FT Roll (323 Sq Ft), 23.6 Mil Thickness Polyethylene Fabric Tile Underlayment Waterproof Membrane for Bathroom, Kitchen, Saunas and Wet Areas $98.32

$9832
current price $98.32Waterproof Membrane for Shower, 3.3 FT x 98.5 FT Roll (323 Sq Ft), 23.6 Mil Thickness Polyethylene Fabric Tile Underlayment Waterproof Membrane for Bathroom, Kitchen, Saunas and Wet Areas
QCPRO PVC roofing membrane,47 Mil Rubber Roofing Membrane 39in x 20 ft, Self-Adhesive Waterproof Underlayment Material, Reinforced Flatroof Sheet, Easy Installation, Long Lasting, Ice and Water Sheet $52.99

$5299
current price $52.99QCPRO PVC roofing membrane,47 Mil Rubber Roofing Membrane 39in x 20 ft, Self-Adhesive Waterproof Underlayment Material, Reinforced Flatroof Sheet, Easy Installation, Long Lasting, Ice and Water Sheet
Dekorman 3mm Thickness 3-N-1 Moisture Barrier Blue Underlayment, 200 Sq.ft/Roll $50.80 $50.80/sq ft

$5080
current price $50.80$50.80/sq ft
Dekorman 3mm Thickness 3-N-1 Moisture Barrier Blue Underlayment, 200 Sq.ft/Roll
174.5 out of 5 Stars. 17 reviews
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ProFlex LMSC90 100 sq. ft. Moisture Control & Crack Suppression 90 Mil Underlayment $164.57

$16457
current price $164.57ProFlex LMSC90 100 sq. ft. Moisture Control & Crack Suppression 90 Mil Underlayment
Self Adhering Ice and Water Shield Underlayment (1 Square - Single Roll)

Self Adhering Ice and Water Shield Underlayment (1 Square - Single Roll)
MFM Wind & Water Seal Underlayment (Single Roll) $160.77

$16077
current price $160.77MFM Wind & Water Seal Underlayment (Single Roll)
MFM IB3 IceBuster Self Adhering Ice and Water Underlayment $176.71

$17671
current price $176.71MFM IB3 IceBuster Self Adhering Ice and Water Underlayment
Dekorman 8mm T Underlayment for Vinyl Laminate and Engineered Hardwood, 100 sq.ft/roll $75.90 75.9 ¢/sq ft

$7590
current price $75.9075.9 ¢/sq ft
Dekorman 8mm T Underlayment for Vinyl Laminate and Engineered Hardwood, 100 sq.ft/roll
35 out of 5 Stars. 3 reviews
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CertainTeed 12 mil Thick Gray Polymer Synthetic Underlayment 937.5 Sq ft Coverage

CertainTeed 12 mil Thick Gray Polymer Synthetic Underlayment 937.5 Sq ft Coverage
Dekorman Flooring Underlayment 2-in-1 Premium Cushioning & Sound Reduction Blue Foam with DIY Overlapping Lip, Tape and Vapor Barrier for Enhanced Moisture Protection 2 mm T (100 Sq.ft/Roll, 5 Rolls) $75.99 $75.99/sq ft

$7599
current price $75.99$75.99/sq ft
Dekorman Flooring Underlayment 2-in-1 Premium Cushioning & Sound Reduction Blue Foam with DIY Overlapping Lip, Tape and Vapor Barrier for Enhanced Moisture Protection 2 mm T (100 Sq.ft/Roll, 5 Rolls)
734.7 out of 5 Stars. 73 reviews
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Henry HE740915 Roofing Underlayment $62.10 Was $94.40

Now$6210
current price Now $62.10, Was $94.40$94.40
Henry HE740915 Roofing Underlayment
MFM Ultra HT Wind & Water Seal Underlayment - Single Roll

MFM Ultra HT Wind & Water Seal Underlayment - Single Roll
25 out of 5 Stars. 2 reviews
LessCare Floor Underlayment 200 Sq Ft with Moisture Barrier LCU1-200 $57.49

$5749
current price $57.49LessCare Floor Underlayment 200 Sq Ft with Moisture Barrier LCU1-200
65 out of 5 Stars. 6 reviews
Uncoupling Waterproofing Membrane Roll, 54 Sq Ft (3.3 Ft x 16.4 Ft), 1/8'' Anti-Fracture Mat, Crack Isolation Flooring Underlayment for Bathroom Floor Tile, Subfloor $83.81

$8381
current price $83.81Uncoupling Waterproofing Membrane Roll, 54 Sq Ft (3.3 Ft x 16.4 Ft), 1/8'' Anti-Fracture Mat, Crack Isolation Flooring Underlayment for Bathroom Floor Tile, Subfloor
MFM Toys IceBuster Underlayment - Waterproof Self-Adhering - 30 Rolls, 3' x 65' $156.82

$15682
current price $156.82MFM Toys IceBuster Underlayment - Waterproof Self-Adhering - 30 Rolls, 3' x 65'
Self Adhering Ice and Water Shield Underlayment (1.95 Square - Single Roll)

Self Adhering Ice and Water Shield Underlayment (1.95 Square - Single Roll)
Hydroshield Lifetime Synthetic Underlayment - Single Roll

Hydroshield Lifetime Synthetic Underlayment - Single Roll
6 Mil 360 sq. ft. Black Moisture Barricade Underlayment Polyethylene Film Roll for Vinyl, Laminate SPC, Engineered Wood Floors with Adhesive Strip$$Tools & Hardware Other $99.98

$9998
current price $99.986 Mil 360 sq. ft. Black Moisture Barricade Underlayment Polyethylene Film Roll for Vinyl, Laminate SPC, Engineered Wood Floors with Adhesive Strip$$Tools & Hardware Other
Dekorman High Density Anti-Slip PVC, 1.5mm Thickness + 0.15 mm PE Film 2-N-1 Moisture Barrier Gray Foam Underlayment (100 Sq.ft. / roll) $39.91 $39.91/sq ft

$3991
current price $39.91$39.91/sq ft
Dekorman High Density Anti-Slip PVC, 1.5mm Thickness + 0.15 mm PE Film 2-N-1 Moisture Barrier Gray Foam Underlayment (100 Sq.ft. / roll)
15 out of 5 Stars. 1 reviews
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AQSC Underlayment, 150-Inch OUTDOOR $46.97

$4697
current price $46.97AQSC Underlayment, 150-Inch OUTDOOR
Waterproof Membrane for Shower, 3.3 FT x 98.5 FT Roll (323 Sq Ft), 23.6 Mil Thickness Polyethylene Fabric Tile Underlayment Waterproof Membrane for Bathroom, Kitchen, Saunas and Wet Areas $91.99

$9199
current price $91.99Waterproof Membrane for Shower, 3.3 FT x 98.5 FT Roll (323 Sq Ft), 23.6 Mil Thickness Polyethylene Fabric Tile Underlayment Waterproof Membrane for Bathroom, Kitchen, Saunas and Wet Areas
Mohawk Industries Lu8a Mohawk Industries Moistureguard Underlayment

Mohawk Industries Lu8a Mohawk Industries Moistureguard Underlayment
VEVOR Floor Underlayment 600 sq. ft, 3-in-1 2 mm Thick Flooring Padding with Tape & Vapor Barrier, Heavy Duty EPE Foam Soundproofing & Noise Reduction, for Laminate Wood (6 Rolls x 100 sq. ft) $129.99

$12999
current price $129.99VEVOR Floor Underlayment 600 sq. ft, 3-in-1 2 mm Thick Flooring Padding with Tape & Vapor Barrier, Heavy Duty EPE Foam Soundproofing & Noise Reduction, for Laminate Wood (6 Rolls x 100 sq. ft)
14 out of 5 Stars. 1 reviews
Henry, WW Company 12167 40LB 565 Underlayment, 40 lb $61.23

$6123
current price $61.23Henry, WW Company 12167 40LB 565 Underlayment, 40 lb
LessCare Floor Underlayment 200 Sq Ft Acoustical and Moisture Barrier SP4-200 $59.99

$5999
current price $59.99LessCare Floor Underlayment 200 Sq Ft Acoustical and Moisture Barrier SP4-200
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