In geographic areas where concrete slabs are subject to excessive moisture, a calcium chloride test is required. Vapor emission readings in excess of 3 lbs. per 1,000 square feet in 24 hours will require additional protections such as a concrete sealant or poly-ethylene sheeting.

NOTE: All rolls of QuietWalk®100’s are cut to a minimum of 100 square feet. The average thickness of QuietWalk® is .125 of an inch. The average weight of a100 ft. roll is 13.8 lbs. All rolls ofQuietWalk®360’s are cut to a minimum of 360 square feet. The average thickness of QuietWalk® is .125 of an inch. The average weight of a360 ft. roll is 50 lbs. Due to the nature of our manufacturing process and the use of recycled materials, the pad thickness may vary .02 of an inch plus-or-minus. Actual weight of each roll may also vary 2 lbs., plus-or-minus. While it may appear that one roll is slightly larger than another, we guarantee this slight variance DOES NOT affect the coverage area nor the sound absorption benefits of the product.