• Stego Wrap 20 Mil Vapor Barrier: Superior moisture protection, ASTM E1745 Class A compliance, high puncture resistance, built
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  • Stego Wrap 20 mil vapor barrier: superior moisture protection, ASTM E1745 Class A compliant, high puncture resistance, extrem
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  • Stego Wrap 20 mil plastic vapor barrier for superior moisture protection in extreme conditions with high puncture resistance.
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Stego Wrap 20 Mil Vapor Barrier | 14' x 105'

Stego Wrap 20 Mil Vapor Barrier | 14' x 105'

STEGO INDUSTRIES SKU: Q82 Copied!

Why this replacement matters

  • Faster coverage -> 14' x 105' roll -> fewer roll changes on medium to large slabs
  • Cleaner restock flow -> Q82 roll format -> keeps layout crews supplied ahead of steel and pour
  • Moisture control continuity -> 20 mil under-slab barrier -> helps block ground vapor before concrete

Variant Guidance: Most crews choose 14' rolls

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Product Details

This 20 mil under-slab membrane controls moisture vapor beneath concrete slabs for commercial, industrial and residential pours. Trade crews use the 14' x 105' roll to cover larger areas efficiently and keep slab programs moving across multi-site work.

  • Protect floor systems from moisture vapor that can damage adhesives, coatings and finished surfaces.
  • Cover large slab sections with fewer roll changes and fewer longitudinal seams.
  • Support radon and methane mitigation assemblies when the project design calls for gas control.
  • Handle heavy-duty site conditions with a thick membrane suited to professional installation.
  • Standardize under-slab vapor control across hospitals, data centers, warehouses and slab-on-grade builds.

Seal laps, edges and penetrations with compatible Stego accessories and follow the project specification for overlap and detailing.

Document Downloads
BIM FILES
CAD DRAWINGS
Data Sheet
HPD
Installation Instructions
Limited Warranty
Safety Data Sheet
Specification
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Product Specification
Stego Wrap 20 Mil Vapor Barrier | 14' x 105'
Details
Product Name
Stego Wrap 20-Mil Vapor Barrier
Thickness
20-mil
Dimensions
14' x 105' (1,470 ft2)
Roll Weight
152 lbs
Water Vapor Permeance
0.0071 perms
Puncture Resistance
3,500+ grams
Tensile Strength
97.7 lbf/in
ASTM E1745
Standard Specification for Water Vapor Retarders Used in Contact with Soil or Granular Fill Under Concrete Slabs
ASTM F1249
Test Method for Water Vapor Transmission Rate through Plastic Film and Sheeting using a Modulated Infrared Sensor
ASTM D1709
Test Methods for Impact Resistance of Plastic Film by Free-Falling Dart Method
ASTM D882
Test Method for Tensile Properties of Thin Plastic Sheeting
ASTM E154
Standard Test Methods for Water Vapor Retarders used in Contact with Earth under Concrete Slabs, on Walls, or as Ground Cover
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