Vapor Barrier Facing Up

Does the Quiet Walk underlayment plastic/vapor barrier face up or down when installing?

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The plastic side faces up and the fiber faces down. Two benefits are provided: Moisture Protection The fibers can actually allow the vapors to evaporate through the gutter system of the underlayment. The fibers are treated with a safe anti-microbial to inhibit mold and mildew. Protection from Leaks Spills, leaky plumbing, faulty ice-makers can cause…

Foam Vs Felt Underlayment for Concrete Sub Floors

For an ongrade concrete sub floor under laminate floor, is foam or felt/fiber underlayment better?

Floor UnderlaymentLeave a comment

On grade concrete is tricky. The proper thing to do is to test what the concrete is emitting for moisture vapors. Find the suitable floor underlayment that will perform to those emissions. Foam underlayment is made from resin/petroleum based products which will block moisture inherently. Fiber/Felt Underlayment is made from recycled materials and will help…