R-4 HP Insulsheathing is a composite panel made from polystyrene foam laminated on a wood fibre insulation panel coated with asphalt for greather weather resistance.
R-4 HP Insulsheathing combines the strenght of the fibre board with the insulation properties of the polystyrene.
4 reasons to build with our new R-4 HP exterior insulsheathing
1 – Excellent rigidity
2 – True R-4 insulation
3 – More than an insulation panel
4 – Bigger and better R-4 HP!