The SR.Radiant™ boards manufactured by Styro Rail Inc. are composed of type 1 expanded polystyrene [EPS] rigid insulation laminated to a vapor barrier reflective membrane with a reflectivity rate of 97%.

• Maximizes the R-value of the wall by reflection of heat  
• Time saving - Combining insulation and vapor barrier installation steps
• Reduces risk of mould within walls
• Reduces the risk of moisture condensation on the cold part of the concrete
• Meets CAN/ULC-S701.1 standard

Install SR.Radiant™ boards on the interior surface of foundation walls, the reflective surface towards an enclosed air space with furring strips.