Track
50mm (2″) or 75mm (3″) Z275 (G90) galvanized steel. Material thickness 1.9mm (0.075″) for 50mm track and 2.7mm (0.105″) for 75mm track. Vertical tracks to have a graduated slope. Vertical tracks to be bracket mounted 3.4mm (0.135″) or continuous angle mounted 2.2mm (0.087″) and fully adjustable for sealing to door to jamb. Horizontal track to be adequately reinforced per door size and weight.
Door Face Hardware
Graduated roller hinges and centre hinges galvanized steel. Heavy duty rollers with hardened inner and outer races with 10 grade 500 ball bearings.
Strutting
Aluminum 6063-T5 alloy angular shaped 44mm (1-3/4″) deep. Material thickness 3mm (0.118″) at furthest point from door face. Anodizing applied to AAMA 611, 607, 608 standards. Painted product (special order) painted to AAMA 2605, 2604, 2603. Strutting is required for doors 4000mm (13’0″) and over in width.
Counterbalance System
Class II Oil Tempered ASTMA229 wire minimum 10,000 cycle torsion springs on continuous steel shaft (solid or tubular shaft as required by size and operation). Aircraft quality galvanized lift cables with a minimum safety factor of 5 to 1.
Locking
Interior mounted slide lock suitable for pad locking.
Bottom Weatherstrip
U type arctic grade vinyl fits into integral bottom retainer.
Section Interface Weatherstrip
Artic grade vinyl bubble shapped weatherstrip at all section meeting rails in integral retainer.
Jamb Mounted Weatherstrip
Anodized or painted aluminum with two point flexible arctic grade vinyl weatherstrip.
Header Mounted Weatherstrip
Anodized or painted aluminum with two point flexible arctic grade vinyl weatherstrip.
Operation
Manual-Standard.
Optional: Hand chain hoist (3-1 ratio) or electric operator recommended for doors over 12’0″ high.
Available Sizes
Widths to 7366mm (24’2″) and heights to 54900mm (18’0″)