Difference between revisions of "Materials:Perma-Board"

Revision as of 17:36, 20 June 2016

Manufacturer: HAL INDUSTRIES INC.

Contact Address: See Membership List, Section 1

Product Group: ASPHALT OVERLAY BOARD

Country of Origin: Canada (B.C.)

DESCRIPTION

The roofing assembly / material information published in the RCABC Roofing Practices Manual 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.

PERMA-BOARD is a semi-rigid waterproof sheet with a rubberized asphalt core sandwiched within two layers of fibreglass reinforcement. Available with a smooth poly film surface finish or a sanded finish. PERMA-BOARD is compatible with all asphalt roofing systems and is unaffected by moisture and will not rot.

PERMA-BOARD Asphalt Base Board / Overlay

Uses:	PERMA-BOARD is designed to be used as an overlay to insulation and as a base for modified, built-up and single ply membranes. Elastomeric roofing membranes or built-up roofing may be heat welded or hot mopped directly to PERMA-BOARD, creating a thick waterproofing layer. The asphalt board becomes an integral part of the roof membrane making it stronger and more puncture resistant than it would otherwise be.
Performance Properties:	Tensile Strength @ 23^°C	590 N / 25 mm (135 lb. / in.)
	Puncture Strength @ 23^°C	> 450 N / 1 cm. sq.
	Softening Point Temperature	105^°C (221^°F)
	Maximum Water Absorption	0.5%
Physical Properties:	Dimensions	1 m x 2 m (40" x 80" nominal size)
	Thickness	4.5 mm (3/16") nominal
	Weight	10.4 Kg (23 lb.) Per sheet nominal
	Reinforcement	Two plies, fibreglass mat

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