Uncontrolled water vapor through concrete slabs has cost building owners, designers and contractors billions of dollars. This moisture infiltration into structures contributes to the proliferation of mold, mildew and fungus and leads to flooring system failures, including adhesive failures, warping, blistering and staining. In addition, water vapor migration carrying alkali can cause structural failure of the concrete when reinforcing steel is present.
PERMINATOR 15 mil vapor barrier now has a perm rating 16 times
Why settle for just a low perm rating when you can have one of the lowest perms on the market, plus nearly twice the competitive puncture resistance?
PERMINATOR 10 and 15 mil underslab vapor barrier now features one of the highest puncture resistance ratings in the market. This puncture resistance makes the product even more durable and tough against jobsite hazards, such as damage from walking workmen and rebar penetration. Damage created by puncturing the membrane is a leading factor in building envelope failures. PERMINATOR's puncture resistance, plus its low perm rating, makes it the most complete underslab vapor barrier in the market.
PERMINATOR Vapor Barrier Video:
Issues Directly Related to Flooring System Failures
PMPC Vapor Barrier Video:
Underslab Vapor Barriers
The use of underslab vapor barriers is the best method and most economical solution for controlling water vapor migration through concrete slabs. The issue of admixtures and topically applied materials does not address the issue that concrete cracks or the potential for elevated PH levels.
ASTM E 1993 and ASTM E 1745 are the two industry standards for vapor barriers and retarders under concrete slabs in contact with soil. Note that typical polyethylene film does not meet the requirements of these standards because it degrades in this environment due to the high recycled content of the material.
Vapor Barrier - Concrete Vapor Barriers
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