SPECIFICATION (BUR over Concrete or Steel Deck)

Spec Note: Short form clauses only are shown here. See long form 3-Part specification at end of section. Square brackets [] indicate an option to be selected/inserted by the specifier. Remove brackets and unused options before printing.

Acceptable relief vent manufacturer: Altra Metal Specialties Inc., 222 Islington Avenue, Unit 3, Toronto, ON M8V 3W7;
Tel: 416-503-9453 or 1-888-472-5872; Fax: 416-503-8963; Email: info@altrametal.ca; Web: www.altrametal.ca.

A. Relief Vents: Altra OWB seamless mill finish alloy 1100-0T aluminum relief vent with:

1. 1.6 mm (.064") thickness 305 mm (12") high flashing with vent holes c/w spun aluminum cap, aluminum insert cap with holes on the top and EPDM damper, insect screen around the holes, and closed cell insulation liner.

[2. 1.6 mm (.064") spun aluminum insert with vent holes on lower part and mineral wool insulation.]

[3. bituminous painted deck flange.] [4. PVC coated deck flange.]

SPECIFICATION (BUR over Concrete or Steel Deck)

Spec Note: Short form clauses only are shown here. See long form 3-Part specification at end of section. Square brackets [] indicate an option to be selected/inserted by the specifier. Remove brackets and unused options before printing.

Acceptable relief vent manufacturer: Altra Metal Specialties Inc.,
222 Islington Avenue, Unit 3, Toronto, ON M8V 3W7;
Tel: 416-503-9453 or 1-888-472-5872; Fax: 416-503-8963; Email: info@altrametal.ca; Web: www.altrametal.ca.

A. Relief Vents: Altra TWB seamless mill finish alloy 1100-0T aluminum relief vent with:

1. 1.6 mm (.064") thickness 203 mm (8") high base with vent holes c/w spun aluminum cap.

[2. 1.6 mm (.064") spun aluminum insert with vent holes on lower part and mineral wool insulation.]

[3. bituminous painted deck flange.] [4. PVC coated deck flange.]