| 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.
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Manufacturer: Soprema Inc.
- Accepted for RoofStar Guarantee Program
- Date TBA
- Product Summary
- Soprasmart Board 180 is a high density composite panel composed of a non-woven polyester reinforced membrane, available with either a thermofusible or sanded surface, laminated on a semi-rigid asphaltic board (Sopraboard). The base sheet is offset from the board on two adjacent edges (1 inch on one end and 3-1/2 inches on 1 side) to provide shiplap; other edges are square. To ensure a secure installation, the side lap is made with a patented DUO-SELVEDGE unique to Soprema (60% self-adhesive and 40% thermofusible). Its self-adhesive component protects combustible surfaces and its thermofusible properties provide an efficient seal. End laps can be aligned then sealed by heat welding a minimum 12" wide membrane reinforcing strip centered over the end lap. Soprasmart Board 180 can be mechanically fastened, adhered with Duotack adhesive, or with a full coat of hot bitumen.
- Soprasmart Board 180 can be used for the following applications:
- an overlay board and base sheet on all types of insulation
- a recovery board and base sheet on existing roofing
- an overlay board and base sheet on wood decks
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Standards |
Soprasmart Board 180 |
| Board Dimensions |
- |
0.91m x 2.44m (3 x 8 ft) |
| Total Thickness (mm) |
- |
7 mm (9/32") |
| Membrane Reinforcement |
- |
non-woven polyester |
| Total Weight |
- |
9.5kg/m2 (1.99lb/sf) |
| Top Surface |
- |
film or sand |
| Underface |
- |
asphaltic board |
| Membrane Thickness |
- |
2.2mm (86.6 mils) |
| Breaking Strength, MD / XD |
37GP56M |
17.0 / 12.5 kN/m |
| Ultimate Elongation, MD / XD |
37GP56M |
60/65% |
| Tear Strength |
ASTM D5601 |
60N |
| Cold Bending - initial |
37GP56M |
-30 |
| Cold Bending -90 days at 70°C |
37GP56M |
-30 |
| Board Thickness |
- |
4.8 mm (3/16") |
| Puncture Resistance |
ASTM E154 |
500N |
| Water Absorption |
ASTM D994 |
0.25% |
| All values are nominal |
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Soprema Inc. may modify the composition of its products without prior notice. Consequently orders will be filled according to the latest specification.
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- Click below for the Technical Data Sheet.
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