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A: Home Depot stocks a product that is a combination moisture and sound barrier. The name escapes me, but I’m sure Home Depot will know. I used this as underlayment over my wood subfloor. It also met Code requirements.
A: Thank you for your question. If you have a concrete subfloor we recommend you use a 6 mil (1/1,000th of an inch) polyethylene film as a moisture barrier. We do not have a thickness requirement for sound control underlayment, although we do recommend you install something with relatively low compressibility. More compressible materials allow for more flexion on the joints, which can cause problem down the road. If you'd like to discuss this further you can contact our technical services department at 877-630-1800.
A: Thank you for your question. The Horizontal Toast is compatible with radiant heated subfloors. Consult with the heating element manufacturer for application guidelines.
A: Thank you for your question. The Horizontal Toast is third party tested to ensure it meets health and safety regulations. It is both Greenguard and Greenguard Gold certified.
A: Thank you for your question. Yes, this product can be installed over a concrete subfloor. You should install a 6 mil polyethylene film beneath the Horizontal Toast to serve as a moisture barrier.
A: I would use a vapor barrier between the two. But, yes, shouldn’t be any problem, unless it’s exposed to the likelihood of flooding.