Patent ID: 6901711

Claim:
A facing for application to a major surface of an insulation layer, comprising: a facing sheet; the facing sheet having a length and a width; the facing sheet having first and second major surfaces; the first major surface of the facing sheet to be applied and bonded to a major surface of an insulation layer; the facing sheet having Z-folded lateral tabs extending the length of the facing sheet along lateral edges of the facing sheet; each Z-folded lateral tab having first, second and third segments; the first segment of each lateral tab being joined to the second segment of each lateral tab along a first fold line and the second segment of each lateral tab being joined to the third segment of each lateral tab along a second fold line; the first segment of each lateral tab overlaying the second segment of each lateral tab; the second segment of each lateral tab overlaying the third segment of each lateral tab which is to rest on the major surface of an insulation layer to which the facing sheet is bonded; and a surface of the second segment of each lateral tab that is overlaid by the first segment of each lateral tab having an adhesive thereon whereby when the third segment of either of the lateral tabs is pulled laterally outward the first and second segments of that lateral tab are pulled apart to expose the surface of the second segment of that lateral tab having the adhesive thereon.