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Does the Quiet Walk underlayment plastic/vapor barrier face up or down when installing? - MP Global Products, LLC
![QuietWalk Laminate and Floating Wood Flooring Underlayment with Attached Vapor Barrier- Sound Reduction, Compression Resistant, Moisture Protection 6'Wx60'L Roll (Covers 360 sq. ft) QW360B1LT" - Carpet Underlayments - Amazon.com QuietWalk Laminate and Floating Wood Flooring Underlayment with Attached Vapor Barrier- Sound Reduction, Compression Resistant, Moisture Protection 6'Wx60'L Roll (Covers 360 sq. ft) QW360B1LT" - Carpet Underlayments - Amazon.com](https://m.media-amazon.com/images/W/MEDIAX_792452-T2/images/I/71Al0udUIVL._AC_UF350,350_QL80_.jpg)
QuietWalk Laminate and Floating Wood Flooring Underlayment with Attached Vapor Barrier- Sound Reduction, Compression Resistant, Moisture Protection 6'Wx60'L Roll (Covers 360 sq. ft) QW360B1LT" - Carpet Underlayments - Amazon.com
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All Globe Inc, Silicone Vapor Shield for Hardwood Floors, 200 SF Roll - Non-Toxic, Recycled, Nail Down Floor Vapor Barrier
![Project Source 26.33-ft x 3.83-ft x 6-mil Premium Poly Film Flooring Underlayment (100-sq ft / (Roll) in the Flooring Underlayment department at Lowes.com Project Source 26.33-ft x 3.83-ft x 6-mil Premium Poly Film Flooring Underlayment (100-sq ft / (Roll) in the Flooring Underlayment department at Lowes.com](https://mobileimages.lowes.com/productimages/6c58b002-ad1a-4447-b43a-9d5af64acdde/47958759.jpg)
Project Source 26.33-ft x 3.83-ft x 6-mil Premium Poly Film Flooring Underlayment (100-sq ft / (Roll) in the Flooring Underlayment department at Lowes.com
![What type of moisture barrier should I use under vinyl flooring laid on slab? I pulled up the old floor, whoever put it down had no barrier and this area is prone What type of moisture barrier should I use under vinyl flooring laid on slab? I pulled up the old floor, whoever put it down had no barrier and this area is prone](https://preview.redd.it/what-type-of-moisture-barrier-should-i-use-under-vinyl-v0-grvi74su265a1.jpg?auto=webp&s=9d629ed79d4a40c7bb53025965dc27e9edd62551)
What type of moisture barrier should I use under vinyl flooring laid on slab? I pulled up the old floor, whoever put it down had no barrier and this area is prone
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