Vapor Barriers


Both 10 mil and 15 mil vapor barriers are used as underslab vapor retarders to prevent moisture, radon, and soil gases from migrating through concrete slabs into buildings. They are essential for protecting flooring systems, improving indoor air quality, and ensuring long-term structural integrity.

The 10 mil vapor barriers are ideal for use on residential and light commercial applications, projects with minimal traffic or equipment loads, or budget-conscious installations.

The 15 mil vapor barriers are ideal for use on commercial and industrial slabs, high-traffic areas or where heavy equipment is used, or projects requiring long-term durability.

10 Mil Vapor Barrier Features & Benefits:

  • Nominal thickness: 10 mil (0.010 inches)
  • Lightweight and easier to handle
  • Meets ASTM E1745 Class A, B, and C standards
  • Permeance: ~0.037 perms
  • Puncture resistance: >2200 grams 2
  • Cost-effective
  • Easier to install in tight or irregular spaces
  • Provides basic protection against moisture and radon

 

15 Mil Vapor Barrier Features & Benefits:

  • Nominal thickness: 15 mil (0.015 inches)
  • Heavier and more durable
  • Meets and exceeds ASTM E1745 Class A standards
  • Permeance: ~0.026 perms
  • Puncture resistance: >2200 grams 2
  • Superior tear and puncture resistance
  • Lower moisture vapor transmission

Greater protection for sensitive flooring systems

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Vapor Barriers

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