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Notice to the Reader:

The roofing assembly / material information published in the RCABC Roofing Practices Manual and offered below does NOT represent a complete set of the manufacturer’s data or specifications. The preparation of a detailed specification is the responsibility of the design authority.

Manufacturer: Soprema Inc.
Accepted for RoofStar Guarantee Program
Date TBA
Product Summary
SOPRABOARD is a multi-ply, semi-rigid asphaltic roofing substrate board composed of a mineral fortified asphaltic core formed between two asphaltic saturated fibreglass liners.
SOPRABOARD is compatible with modified bitumen and BUR roofing systems. Modified bitumen roofing systems can be torched directly to the board surface. Should not be left exposed.
Uses: SOPRABOARD is designed to be used as a substrate material in flat or low-slope roofing. It can be installed over word decks or rigid insulation as an overlay board.
Physical Properties: Dimensions 1.2 m x 1.5 m (4' x 5')
1.2 m x 2.4 m (4' x 8')
Thickness 4.5 mm (3/16") and 6.3 mm (1/4")
Weight 6 mm (1/4"); 9.76 kg / sq. m (1.95 lb / sq. ft.)
Surfacing Glass Fibre Mat
Click below for the Technical Data Sheet.
Technical Data Sheet

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