Building Products of Canada has a wide selection of insulating sheathing products.

Dupont Rigid Foam Insulation replaces non-insulating above-grade sheathing products like plywood, fiberboard and OSB, and eliminates the need for additional air barriers such as housewrap.

IKO Ener-Air and IKO Enerfoil are non-structural sheathing rigid polyisocyanurate insulation boards, engineered to provide improved thermal resistance. Both are HCFC-free.

Kingspan GreenGuard XPS Insulation Board is ideal for a variety of applications, including below slab, below grade along the foundation, inside basement walls, exterior insulation over wood sheathing, and residing.

Knauf Insulation insulation board is made from inorganic glass fibers pre-formed into boards bonded by a thermosetting resin.

For installation convenience and exceptional, long-term performance, the all-in-one ZIP System® R-Sheathing panel provides a new approach to sealing and insulating the building envelope. One panel delivers thermal, air and moisture resistance, while providing excellent strength and durability.