| 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: Posi-Slope Western
- Accepted for RoofStar Guarantee Program
- Date TBA
- Product Summary
- A non-combustible rigid mineral fibre board manufactured from basalt rock and steel slag with a melting point of 2180ºF (1195ºC), excellent fire resistance properties and stable thermal values. Laminated with a top layer of fortified asphalt protection board for strength and versatility of application.
| Applications: |
Torched, hot mopped or cold applied BUR and Modified Bituminous roofing systems. Can be fully adhered, mechanically fastened, loose-laid or in ballasted single-ply roofing systems. |
| Dimensions: |
Butt edge 60 cm (2') x 120 cm (4') and 90 cm (3') x 120 cm (4'). |
| Slope: |
Unlimited; Minimum starting thickness 0" (nominal). |
| Compliance: |
CAN/CGSB 2-51.31-M84, ASTM C726 Compressive strength of mineral fibre only at 10% deformation - ASTM C165: 90 kPa (13 psi). |
| R Factor: |
R4 per inch |
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RSI .7 / 25 mm |
SPECIFICATION
MF - Protect Board Composite consists of mineral fibre insulation, factory laminated with a 3 mm (1/8") asphalt board facer with square edges. All tapered panels shall have a uniform slope and all valley corners and crickets to be factory mitred by Posi-Slope Ent. Inc. All boards to be clearly coded and shall provide arrows to indicate the slope direction of each board. Manufacture in accordance with architect approved pre-engineered shop drawings by Posi-Slope.
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- Click below for the Technical Data Sheet.
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