How to install underlayment for laminate flooring

How to Install Underlayment for Laminate Flooring

How to Install Underlayment for Laminate Using QuietWalk

All wood and concrete subfloors must be flat within 1/8″ over a 6′ span, or 3/16″ over a 10′ span. All areas must be checked prior to installation.

General Information

Product may be installed over:

  • QuietWalk Underlayment be used over concrete or wood subfloor
  • Suitable with Radiant Heat Systems

Recommended Uses:

  • Laminate Flooring
  • Floating Engineered Wood
  • Floating Hardwood
  • Floating Bamboo

Subfloor and Preparation:

  • All subfloors must be flat, clean, smooth, and dry*
  • Sand any rough surfaces and/or uneven jobs
  • Fill any cracks on concrete or panel joints wider than 1/8″ using a recommended patch/leveling product

Installation Methods

Floating Floor Installation

  • Be sure the subfloor is clean, smooth, free of dust and debris, and dry*
  • Roll QuietWalk Underlayment over the subfloor with the vapor barrier film (imprinted side) facing up
  • The perimeter edges of QuietWalk underlayment need to be 1/2″ to 3/4″ away from the wall
  • Seams need to be butted together flush, do not overlap the pad
  • Tape the seams with duct tape, unless the roll is provided with a factory attached lip and tape system
  • Install laminate flooring according to the manufacturer’s installation instructions

* In geographic areas where concrete slabs are subject to excessive moisture, a calcium chloride moisture test is required. Vapor emission readings in excess of 5 lbs. per 1,000 square feet in 24 hours will require additional protection such as a concrete sealant or polyethylene sheeting.

NOTE: All rolls of QuietWalk underlayment are cut to a minimum 100 square feet. The average thickness of QuietWalk underlayment is .125 of an inch. The average weight of a roll is 12 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 1.2 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.

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