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Vapor Barrier

Viper CS 10 mils Crawl Space Class A Woven Reinforced Vapor Barrier - Full Range
Viper
from $171.56
from $171.56
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Insul-Barrier Crawl Space Vapor Barrier - 4 ft x 25 ft Vapor Barrier
Insul Barrier
$93.75
$93.75
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Viper Vapor Tape 180 ft White - All Sizes Insulation
Viper
from $362.25
from $362.25
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Viper CS II 10 mils Crawl Space Class A Vapor Barrier - Full Range
Viper
from $154.69
from $154.69
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Viper CS Crawl Space Class A Woven Reinforced Vapor Barrier - 12 ft x 100 ft x 16 mils
Viper
from $407.81
from $407.81
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Crawl Space 18 In x 200 ft x 10 mils Class A Vapor Barrier Woven Reinforced Vapor Barrier
Viper
from $74.25
from $74.25
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Viper VaporCheck 12 ft x 200 ft - All Thicknesses Insulation
Viper
from $688.12
from $688.12
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Viper II Platinum Under Slab Vapor Barrier Class A 14 ft x 210 ft x 8 mils Single Roll Insulation
Viper
$384.28
$384.28
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Viper CS 6.5 mils Crawl Space Class A Woven Reinforced Vapor Barrier - Full Range
Viper
from $121.88
from $121.88
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Viper Venom Barrier Class A 16 ft x 100 ft x 20 mils Single Roll Insulation
Viper
$1,035.61
$1,035.61
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Viper Vapor Patch 11.5 In x 50 ft Pipe Boot and Patch (5 Rolls) 5 Rolls (Single Case) Vapor Barrier
Viper
$404.79
$404.79
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Viper II Underlslab Vapor Barrier Class C 14 ft x 210 ft - Full Range 6 mils (White) / Single Roll Insulation
Viper
from $342.90
from $342.90
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Viper II Underslab Vapor Barrier Class A - Full Range 15 mils x 14 ft x 140 ft (Blue) / Single Roll Insulation
Viper
$469.09
$469.09
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Vapor barriers are an important tool to control moisture in buildings. It is easy to install and used by everybody from architects to DIY enthusiasts when it comes to insulation.

 

Vapor barriers

Vapor barrier in crawl space 

How to install in flooring underlayment