SPECIFIATION (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 gravity air 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. Gravity Air Vents: Altra GV seamless mill finish alloy 1100-0T aluminum gravity air vent with:

1. 1.6 mm (.064") thickness x [305 mm (12”) dia.] x 356 mm (14") high flashing with insect screen on the top and removable hood supported with three support brackets and s.s. screws.

[2. 1.6 mm (.064") spun aluminum bituminous painted protection cup.]

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