Vapor Barrier

A vapor barrier is an important component in building construction. Its purpose is to help prevent water vapor from reaching a building’s walls, ceilings, attics, crawl spaces or roofs, where it can condense and cause building materials to rot or grow mold. Protect your property or building project with one of our vapor barriers from Aluf Plastics, Insul Barrier, Insul-Tarp and Viper. Browse our range of poly sheeting, radiant barrier, vapor barrier and waterproofing below.

To protect your crawl space(s), you should consider products like the Insul-Barrier Crawl Space Vapor Barrier, which provides a thermal break and moisture barrier, or the Viper CS Pier Wrap, which is makes vapor barrier installation for piers and pipes in crawl spaces simple. Another great product for pipes is the Viper Vapor Patch, which is a vapor barrier pipe boot/patch that has been designed specifically for pipe penetrations and patch work.

For an under-slab vapor barrier, we have great products like the Viper II Underslab Vapor Barrier and the Viper Venom Barrier, which protect against damage from water vapor and soil gas that can threaten the indoor air quality. The Insul-Tarp Under-Slab Insulation is a brilliant option for preventing moisture and mold from ruining your building work. To protect from moisture and dirt during your project, you may also like the Aluf Plastics Poly Sheeting.

If you’re still not sure which of our vapor barriers you need for your property, get in touch with our team on 281-657-1443 or via our Live Chat and they will be able to help you make the right decision for your project.

Viper CS 10 mils Crawl Space Class A Woven Reinforced Vapor Barrier - Full Range
Viper CS 10 mils Crawl Space Class A Woven Reinforced Vapor Barrier
Vendor
Viper
Regular price
from $225.16
Sale price
from $225.16
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per 
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Viper II Underslab Vapor Barrier Class A - Full Range
Viper II Class A 15-mil
Vendor
Viper
Regular price
$441.61
Sale price
$441.61
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per 
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Viper CS Crawl Space Class A Woven Reinforced Vapor Barrier - 12 ft x 100 ft x 16 mils
Viper CS Crawl Space Class A Woven Reinforced Vapor Barrier - 12 ft x 100 ft x 16 mils
Vendor
Viper
Regular price
from $492.47
Sale price
from $492.47
Regular price
Unit price
per 
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Insul-Barrier Crawl Space Vapor Barrier - 4 ft x 25 ft
Insul-Barrier Crawl Space Vapor Barrier
Vendor
Insul Barrier
Regular price
$97.06
Sale price
$97.06
Regular price
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per 
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Viper CS 6.5 mils Crawl Space Class A Woven Reinforced Vapor Barrier - Full Range
Viper CS 6.5 mils Crawl Space Class A Woven Reinforced Vapor Barrier
Vendor
Viper
Regular price
from $159.13
Sale price
from $159.13
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per 
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Viper CS II 10 mils Crawl Space Class A Vapor Barrier - Full Range
Vendor
Viper
Regular price
from $145.59
Sale price
from $145.59
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per 
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Cetainteed MemBrain Vapor Retarder - All Sizes
Cetainteed MemBrain Vapor Retarder - All Sizes
Vendor
Certainteed
Regular price
from $170.93
Sale price
from $170.93
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per 
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Crawl Space 18 In x 200 ft x 10 mils Class A Vapor Barrier Woven Reinforced
Crawl Space 18 In x 200 ft 10mil Class A Vapor Barrier Woven Reinforced
Vendor
Viper
Regular price
from $69.88
Sale price
from $69.88
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per 
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Viper CSX Radiant Crawl Space Vapor Barrier - Full Range
Viper CSX Radiant Crawl Space Vapor Barrier
Vendor
Viper
Regular price
from $303.69
Sale price
from $303.69
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per 
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Viper Venom Barrier Class A 16 ft x 100 ft x 20 mils
Viper Venom Barrier 20mm Class A 16 ft x 100 ft Grey/Black
Vendor
Viper
Regular price
$638.75
Sale price
$638.75
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per 
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Viper VaporCheck 12 ft x 200 ft - All Thicknesses
Viper I Class A 12 ft x 200 ft Orange
Vendor
Viper
Regular price
from $653.29
Sale price
from $653.29
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per 
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Viper Vapor Patch 11.5 In x 50 ft Pipe Boot and Patch (5 Rolls)
Vendor
Viper
Regular price
$380.94
Sale price
$380.94
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per 
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Viper II Underlslab Vapor Barrier Class C 14 ft x 210 ft - Full Range
Viper II Class C 14' x 210' - 6-mil
Vendor
Viper
Regular price
from $322.79
Sale price
from $322.79
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per 
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Viper II Platinum Under Slab Vapor Barrier Class A 14 ft x 210 ft x 8 mils
Viper II Platinum 8-mil Class A 14' x 210' Silver
Vendor
Viper
Regular price
$361.75
Sale price
$361.75
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per 
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Insul-Tarp Under Slab Insulation 1/2 In - All Sizes
Insul-Tarp Under Slab Insulation 1/2 In
Vendor
Insul-Tarp
Regular price
from $105.88
Sale price
from $105.88
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per 
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20 ft x 100ft x 6mm Poly Sheeting (25 Rolls)
PS201006 Extra Strong 4 mil 20ft Poly Sheeting - Aluf Plastics
Vendor
Aluf Plastics
Regular price
$1,548.12
Sale price
$1,548.12
Regular price
Unit price
per 
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20ft x 100ft x 4mm Poly Sheeting (25 Rolls)
PS201004 Extra Strong 4 mil 20ft Poly Sheeting - Aluf Plastics
Vendor
Aluf Plastics
Regular price
$1,031.88
Sale price
$1,031.88
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per 
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12ft x 100ft x 6mm Poly Sheeting (36 Rolls)
PS121006 Extra Strong 6 mil 12ft Poly Sheeting - Aluf Plastics
Vendor
Aluf Plastics
Regular price
$1,337.40
Sale price
$1,337.40
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per 
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10ft x 100ft x 6mm Poly Sheeting (36 Rolls)
PS101006 10ft wide Poly Sheeting - Aluf Plastics
Vendor
Aluf Plastics
Regular price
$1,114.65
Sale price
$1,114.65
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per 
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10ft x 100 ft x 4mm Poly Sheeting (36 Rolls)
PS101004 10ft wide Poly Sheeting - Aluf Plastics
Vendor
Aluf Plastics
Regular price
$777.60
Sale price
$777.60
Regular price
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per 
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10ft x 25ft x 3mm Poly Sheeting (24 Rolls)
10ft x 25ft Poly Sheeting Extra Strong 3ml - Aluf Plastics
Vendor
Aluf Plastics
Regular price
$1,360.80
Sale price
$1,360.80
Regular price
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per 
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9ft x 400ft x 0.31mm Poly Sheeting (152 Rolls)
9ft x 400ft Poly Sheeting - Aluf Plastic
Vendor
Aluf Plastics
Regular price
$1,204.60
Sale price
$1,204.60
Regular price
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per 
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