Listed below are a variety of vapor (moisture) retarders/barriers. If you would like a quick reference chart for the Dura-Skrim polyethylene reinforced liners, please click here. This list contains the mil size, colors, applications, and approximate exposed longevity for each. Learn the application for each mil size of this reinforced plastic sheeting.
Click here for the liners that meet a variety of the ASTM Standards along with an explanation of each ASTM classification.
Click here for Foundation pins.
*******NO MINIMUM ORDER ON STOCK ITEMS! We stock many products seen below for same day shipping on orders received by 2:30 pm Pacific time.*************
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VaporBlock®Plus 20
(20 mil)- The Poly Sheeting Gas and Mold Blocker- 7 layer co-extruded barrier AKA Radon Plastic Vapor Retarder



VaporBlock Plus 20 plastic sheeting is a 20 mil polyethylene, high performance vapor barrier intended for under-slab applications where soil-borne gases like radon are a concern. VaporBlock Plus 20 (radon plastic) is 50 times less permeable than typical high-performance polyethylene vapor retarders. This is due to its tight cell structure.Superior unmatched impact strength for both under-slab and vertical wall applications.
VaporBlock Plus 20 is one of the most effective underslab vapor
barriers in the building industry today far exceeding ASTM E-
1745 Class A (Plastic Water Vapor Retarders Used in Contact with Soil
or Granular Fill Under Concrete Slabs). The 20 mil thickness is designed to meet the most stringent requirements. Vapor Block Plus 20 is a work horse when it comes to protecting your flooring and other moisture sensitive furnishings in your home or office building by greatly reducing condensation, mold and degradation.
VaporBlock Plus 20 is produced within the strict guidelines of our
ISO 9001:2000 Certied Management System.
COLOR: Gold/White
Roll Size: 10' x 150'
This gas blocker is much less expensive than comparable products.
Click here for VaporBlock 20+ details
Click here for Installation Guide
Click here for VIDEO Facts about Radon Gas in Your Home
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Vaporguard...The zero Perm Liner
Vaporguard is a zero perm liner that is a 3-ply laminate with an aluminum core. It is surrounded by two layers of multi-axially oriented high density polyethylene.This liner was engineered to provide durability and high strength in a lightweight material.
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Multiple polyethylene layers and aluminum layer provide extemely low permeability and resist tears and puncture.
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UV Stabilizers protect the material from degradation from harsh sunlight
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Class B, ASTME-1745-97 Standard Specification for Water Vapor Retarders Used in Contact with soil or granular Fill Under Concrete Slabs
Click here for specification
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VaporBlock®15- Underslab Vapor Retarder- Reduce Mold, Condensation and Degradation


VaporBlock® 15 is a blue colored 15 mil, high performance underslab vapor retarder designed to retard moisture migration through concrete slabs on grade. VaporBlock vapor retarders protect your flooring and other moisture sensitive furnishings in your building's interior from moisture migration. VaporBlock resists attack by organisms in the dontacting soil. VaporBlock vapor retarders can also greatly reduce condensation, mold and degradation by controlling water vapor migration. Vapor retarders can be sealed to the perimeter wall with butyl Seal Tape. An optional footer warp may also be applied.
Roll Sizes: 12' x 200'
Click here for VaporBlock 15 details
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VaporBlock®10- Radon Retarder, Foundation Wall Vapor Retarder, Under-Slab Vapor Retarder
VaporBlock®10 is a 10 mil heavy duty, high performance underslab vapor retarder designed to retard moisture migration through concrete slabs on grade.
Click here for VaporBlock 10 details
VaporBlock®6- The 6 mil high performance film that Retard Moisture (mold) through concrete slabs-on-grade
VaporBlock® 6 is a 6 mil high performance, state-of-the-art polyethylene resin that provide superior physical and performance properties that FAR EXCEED ASTME E-1745 (Plastic Water Vapor Retarders Used in Contact with Soil or Granular Fill Under Concrete Slabs) Class A, B and C requirements. High tensile strength, unequaled puncture resistance, low moisture vapor permeability as well as resistance to decay! Vapor retarders can be sealed to the perimeter wall with butyl Seal Tape. An optional footer warp may also be applied.
Click here for specifications VaporBlock 6
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VaporBlock®Plus 6: Far exceeding ASTM E-1745 The 6 mil polyethylene plastic liner for radon


Inventory Reduction Sale!
VaporBlock Plus 6TM is a white/black seven-layer co-extruded barrier made from state-of-the-art polyethylene and barrier resins to provide unmatched impact strength as well as superior resistance to gas and moisture transmission. It is 50 times less permeable than typical high performance poly vapor barriers/retarders against radon, methane and other harmful VOC's.
Roll Size: 12' x 200'
Click here for VaporBlock6+ details
Click here for Vapor Tape Plus Tape- A Crawlspace Vapor Barrier Tape
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