For Product Inquiries and Availability, please contact your local Castle location.
Building Products (BP) of Canada's R-4 HP Insulsheathing is a composite panel made from polystyrene foam laminated on a wood fibre insulation panel coated with asphalt for greater weather resistance. BP's R-4 HP combines the strength of the fibre board with the insulation properties of the polystyrene.
For Product Inquiries and Availability, please contact your local Castle location.
Building Products (BP) of Canada's R-4 HP Insulsheathing is a composite panel made from polystyrene foam laminated on a wood fibre insulation panel coated with asphalt for greater weather resistance. BP's R-4 HP combines the strength of the fibre board with the insulation properties of the polystyrene.