Construction:
Gear operator provides smooth operation

Units with 31" glass widths and wider units have stainless steel hinge track and concealed sliding nylon shoe hinges applied directly to sash for maximum support. Smaller units have folding arm operation.

Sash locks are optional

Weatherproofing:
Dual weatherstrip around frame and single weatherstrip around sash

Additional Features:
Extension jambs up to 7-3/8"

Non-standard sizing to 1/4" available