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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: Western Louiseville Fibreboard Inc.
Accepted for RoofStar Guarantee Program
Date TBA
Product Summary
Securtorch is a safe and unique fireboard roofing insulation coated with a thick layer of asphalt covered with a thermofusible protective layer. Its core has been thoroughly treated to provide Class A fire resistance.
Thermal Resistance RSI value = 0.27 / 12.5 mm (1/2") [R Value = 1.5 / 25 mm (1")]
Standard sizes Panel size: 1.22 m x 1.22 m (4’ x 4’)
With thickness of: 12.5 mm (1/2")
Coverage 16 ft²

Properties Standards Results
Density (specific mass) ASTM D-1037 14.5 lb / ft3 (232 kg / m3
Transverse load ASTM C-209 10.6 lb (47N)
Tensile strength perpendicular to surface ASTM C-209 761 lb / ft2 (min)
36.5 kPa (min)
Water absorption ASTM C-209 3.5%
Linear expansion ASTM C-209 0.10%
Resistance to compression
(10% deformation)
ASTM C-165 45 lb / in2 (min)
Resistance to compression
(25% deformation)
ASTM C-165 80 lb / in2 (min)
R-factor (1/2 inch) ASTM C-518 1.5
Flame spread ULC-S-102
ULC - S - 102.2
Smoke development ULC-S-12 15
Dimensions1.22 m x 1.22m (4' x 4' sheets)
Thickness12.5 mm (½")
StandardsCAN / CSA - A247-M86 and ULC
Note: tests conducted without the asphalt layer.
Click below for the Technical Data Sheet (TBA).

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