SOPRA-XPS 40 is a rigid thermal insulation board made of high-density extruded polystyrene with squared edges on its four sides. It is composed of closed cell foam. SOPRA-XPS 40 is designed for applications requiring high-density insulation on which heavy loads will be applied. It is mainly used for SOPREMA foundation systems under slabs, protected-membrane roofing systems (inverted), parking decks, and plaza decks. Compliant with CAN/ULC S701.1, Type 4.
Over 25% post-consumer and post-industrial recycled content.
- Exceptional water and moisture resistance
- Durable and strong
- Superior initial and long-term thermal performance (R-5/in)
Tests and certifications
XPS - Extruded Polystyrene
R and RSI Value Converter
5.0 per inch