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Stego® Wrap Vapor Barrier (15-mil)

Stego® Wrap Vapor Barrier (15-mil)

by Stego Industries
Save $50.00
$549.00
$499.00
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The Industry-Leading 15-Mil Vapor Barrier for Below-Slab Protection

Stego Wrap 15-Mil Vapor Barrier is the most specified solution for below-slab moisture protection in North America. Engineered with a proprietary blend of high-quality virgin resins and performance additives, it delivers long-term durability and exceptional vapor resistance—making it the go-to choice for critical concrete applications.

Trusted for over two decades, Stego Wrap has earned its reputation through outstanding jobsite performance and unmatched support from specification through installation. Backed by the industry’s first Life of the Building Warranty, it offers peace of mind for design professionals, contractors, and property owners alike.

Key Features:

  • Ultra-low permeance for superior moisture and soil gas control
  • Helps prevent flooring failures and slab-related moisture issues
  • 14-foot wide rolls reduce installation time and minimize seams
  • Exceeds ASTM E1745 Class A, B & C requirements
  • Proudly manufactured in the USA

PRODUCT SPECIFICATIONS

Attribute Value Why it Matters
Product Name Stego Wrap 15-Mil Vapor Barrier Trusted product name recognized in the industry — easy to spec and approve
Application Below-slab vapor barrier Helps protect the slab from moisture intrusion and mold risk
Thickness 15 mil Durable enough to handle rough jobsite conditions without tearing
Permeance 0.0086 perms Superior moisture resistance keeps slabs dry and prevents flooring failures
Puncture Resistance 2,266 grams (ASTM D1709) Less chance of damage during rebar work or concrete pour — fewer repairs needed
Tensile Strength 70.6 lbf/in Withstands jobsite stress — can be pulled and walked on without ripping
Methane Transmission Rate 192.8 GTR Adds protection in areas with soil gas concerns — supports code compliance
Radon Diffusion Coefficient 8.8 × 10⁻¹² m²/s Ideal for projects in radon-prone areas — adds another layer of safety
Roll Size 14' x 140' (1,960 ft²) Covers more ground with fewer seams — faster installs and cleaner finish
Roll Weight 147 lbs Manageable weight for crew handling — fits standard transport setups
Material Prime virgin polyolefin resins High-quality resin means consistent performance — no risk of recycled fillers
Soil Gas & Sulfate Resistance Yes Holds up in aggressive soil conditions — protects long-term integrity of the slab
UV Exposure Limit ≤ 7 days before concrete pour Gives you a week of buffer if weather or scheduling shifts
Storage Guidance Cool, dry place, avoid damage Simple storage needs — just keep it dry and intact until use
Installation Notes Overlap 6", seal with Stego Tape Straightforward install with accessories designed to work together
Standards Met ASTM E1745 Class A, B & C Meets and exceeds building codes — easy approval from inspectors
Warranty Limited warranty (see site) Manufacturer-backed confidence if used as directed

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⚠ WARNING: This product can expose you to chemicals including cobalt metal powder and nickel (metallic), which are known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, go to www.P65Warnings.ca.gov.