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Press Release: May 15, 2009

BP’s R-4 Insulsheathing: Strength and insulation in one lightweight panel

Montreal, — Building Products of Canada Corp. is pleased to announce the anticipated launch of its R-4 Insulsheathing, the strongest, most energy efficient and cost-effective insulation board on the market.

R-4 Insulsheathing combines the insulation strength values of polystyrene with the highly efficient weather and acoustic barrier properties of wood fibre. The result for builders, architects and homeowners is a breathable insulation building product that’s quick and easy to install, and offers years of durable energy efficiency.

According to Robert Caron, BP’s Vice-President of Sales & Marketing, “R-4 Insulsheathing’s two layers provide rigid strength and weatherproof insulation that meets standards and building code requirements at a very low cost. Exactly what builders and homeowners are looking for”.

Lightweight polystyrene for strength
R-4 Insulsheathing features a polystyrene layer with an effective thermal blocker and highly efficient insulation.

Wood fibre sound and weather barrier
The second layer in every R-4 Insulsheathing board is made from 100% recycled wood fibre, with a highly effective acoustic and weather barrier.

Properties and characteristics
Standard size: 4’ x 9’ x 1 ⅛”
Thermal resistance: RSI 0.70
Transverse load: 16.2 lbs (32.4 N)
Water Vapour Permeance (E-96): 200 ng/Pa 5 m2)

Building Products of Canada Corp. (www.bpcan.com ), one of Canada's leading manufacturers and distributors of building materials, is a privately held company headquartered in LaSalle, Quebec. It services the residential, commercial and industrial construction markets. Operating primary manufacturing sites in Alberta and Quebec, Building Products of Canada employs nearly 1000 people in Canada. It also has several joint venture operations in the United States.

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