Patent ID: 6226943
Filing Date: 2001-05-08
Classification: E04B,E04C

Abstract:
An insulating polymer foam sheet having two major sides and at least one groove in at least one of said sides, wherein all grooves are located on only one major side of the sheet; wherein at least a portion of the foam sheet adjacent to the groove is compressible and resilient, said portion having a length and height the same as a groove adjacent thereto; wherein each groove and compressible portion has a width that will permit the groove to receive and tightly fit around a support member in a frame building construction; wherein the sheet is comprised of at least two different foams; and wherein the non-grooved side of the foam sheet is a rigid foam having a closed cell content of at least 60 percent, and the grooved side of the foam sheet is a compressible and resilient foam having an open cell content of at least 40 percent.