It looks like you are using Internet Explorer. Please be advised that some features may not work.
Find a Store
My Castle Home Store
My Castle Home Store
R-4 HP Panel 4' x 9'

Products / Insulation / Rigid / Wood Fibre (Rigid)

R-4 HP Panel 4' x 9'

Manufactured by BP

Product Type Wood Fibre (Rigid)

Castle SKU BPo10758

Product UPC 7-77248-00219-5

Product Model Number B4H0449

Contact A Castle Building Centre Now

R-4 HP Insul-Sheathing 1-1/8" x 4' x 9' (28.6 mm x 1.22 m x 2.74 m)

Product Description

R-4 HP Insul-Sheathing is a composite panel made from polystyrene foam laminated on a wood fibre insulation panel coated with asphalt for greater weather resistance. R-4 HP Insul-Sheathing combines the strength properties of the fibre board with the insulation properties of the polystyrene.

QUEBEC:  Visit www. for Code de Construction du Quebec : assemblages muraux.

File Name Document Type
Application English Installation Manual
Brochure English Brochure
TDS English Technical Data Sheet
Fiche Technique Technical Data Sheet
Mode de Pose Installation Manual
Brochure Francais Brochure

* For Product Inquiries and Availability, please contact your local Castle locations .

Need Product Advice?

Have a look at our resources section to find helpful install guides, instructional videos, design guides & more!

Go to resources