Model # 301-00117 Store SKU # 1001053334
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.
- Proven insulation performance, measured and tested for a true R-4 thermal resistance
- Offers excellent sound attenuation properties and a high water vapour permeance rate so the wall cavity is kept really dry.
- Excellent rigidity and lightweight for easy handling and installation