FAQ's
On our faq page, you can find questions about flooring underlayment and floor heating systems. Get helpful information to assist with your purchase decisions and address any concerns you may have.
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The MoistureBlock should be installed over the concrete, then the QuietWalk Luxury Vinyl with the film side up, and then your floor covering.
MoistureBlock can be used over concrete with an embedded heat system, provided the heating element is at least 1/2″ below the surface.
MoistureBlock has not been tested for use with adhesives. Verify with your adhesive manufacturer to see if they have a product that will bond to a polyethylene film.
MoistureBlock has not been tested for use in crawl spaces.
MoistureBlock is an effective vapor barrier approved for use under fully installed floor coverings.
MoistureBlock should be installed just prior to installing your floor covering.
SoundStep LV does have an integrated moisture barrier. The Perm rating for SoundStep LV is 0.14Perm. The WVTR (water vapor transmission rate) is 0.18lbs/1000sf/24hrs.
SoundStep LV does have an attached vapor barrier, which will offer water protection for your plywood subfloor.
SoundStep LV can be installed over existing sheet vinyl, provided the flooring manufacturer approves it as a suitable substrate. SoundStep LV is not approved for use with peel and stick tile. Please consider using an alternative flooring product, such as luxury vinyl tile or plank over SoundStep LV.
SoundStep LV is not approved for use with sheet vinyl. Please consider using an alternative flooring product, such as luxury vinyl tiles or planks over SoundStep LV. Telegraphing is a very common problem with sheet vinyl, where the imperfections in the subfloor become visible at the surface.