B - Operations – Transporting – 32 – B
Patent
B - Operations, Transporting
32
B
B32B 7/12 (2006.01) B32B 7/06 (2006.01) E04F 15/00 (2006.01)
Patent
CA 2340299
A underlayment assembly comprises an underlayment having an upper and a lower surface, an adhesive layer disposed on the upper surface, and a release layer disposed on the adhesive layer. Another adhesive layer and another release layer optionally are provided on the lower surface of the underlayment. One or more performance enhancing layers, such as foam and solid layers, can be disposed between the underlayment and the adhesive layer to modify and/or enhance various properties of the underlayment. A primary fastener comprising part of a hook and loop fastener assembly can be attached to the upper surface of the underlayment. Mechanical fasteners, such as staples, penetrate the underlayment assembly and engage a structural support member to attach the underlayment assembly thereto. A method of installing a surface covering over a structural support member utilizing the underlayment assembly includes providing at least one underlayment assembly made in accordance with the present invention, positioning the at least one underlayment assembly on the structural support member, fastening the at least one underlayment assembly to the structural support member, removing the release layer from the at least one underlayment, and placing and pressing the surface covering onto the adhesive layer or onto the primary fastener of the underlayment. The underlayment assembly is fastened to the structural support member by the mechanical fasteners. Each mechanical fastener has a crown, and the crown is recessed within the underlayment assembly such that the crown is substantially below the surface covering/adhesive interface to provide a substantially protrusion free surface covering.
Buckwalter Michael E.
Kauffman William J.
Armstrong World Industries Inc.
Gowling Lafleur Henderson Llp
LandOfFree
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