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SOPRA-XPS 25 CW is a thermal insulation boards made of rigid extruded polystyrene with square edges on its four sides. It is composed of closed cell foam. It is mainly used as a thermal insulation for SOPREMA cavity wall systems. SOPRA-XPS 25 CW is scored squared at every 400 mm (16 in) and 600 mm (24 in) lengthwise to facilitate cutting of the board when it’s being installed between wall ties. Compliant with CAN/ULC S701.1 Type 3.







  • Exceptional water and moisture resistance
  • Durable and strong
  • Superior initial and long-term thermal performance (R-5/in)


Function Insulation
Product roles Insulation
Insulation board
Application Adhesive
Mechanically fastened
Technology XPS - Extruded Polystyrene
Width 1200 mm
Length 2400 mm
Board thickness 40 mm
50 mm
61 mm
75 mm
100 mm
R Value 5.0 per inch
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