Exterior insulating sheathing

Details Exterior insulating sheathing Exterior insulating sheathing

B - Operations, Transporting

32

B

20/23, 20/73

B32B 3/26 (2006.01) B32B 5/18 (2006.01) B32B 7/02 (2006.01) B32B 7/12 (2006.01) E04B 1/76 (2006.01)

Patent

CA 1279459

EXTERIOR INSULATING SHEATHING ABSTRACT An exterior insulating sheathing which comprises a foam polystyrene ply and a second ply glued to said polystyrene ply throughout. The second ply is preferably a fiberboard but may also be a waferboard. The sheathing is nailable, has a racking load of about 1900 to 3700 lbs, and has at least the exposed side of the second ply water resistant. This sheathing has a minimum tensile strength of 65 ? 14 kPa, a linear expansion at 97% RH and 23°C, of less than 0.40% ? .02, a water vapour transmission of at least 96ng.Pa.s.m2, and a modulus of rupture of 0.5 to 17.2 megaPascal.

534090

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