General: The series 2100 single
thermal break slider aluminum window units are HS C-25. The
windows shall comply and bear the quality certification label in accordance
with the ANSI/AAMA certification program 101-93.
Material: The
Columbia Series 2100 aluminum window frames and sash members shall be
aluminum alloy 6063-T5 within commercial tolerances. Frame and sash members
shall have a thermal barrier. The internal fins will have suitable break off
and nailing grooves.
Finish: Standard
finish shall be of electostatically applied baked enamel. White and bronze
are standard finishes.
Weatherstripping:
Weatherstripping shall be high density, silicone treated, polypropylene
with a double mylar fin running through the center of the pile.
Weatherstripping to be located on all four sides of operable sash to
enhance maximum air and water infiltration protection. Bulb vinyl to be
located on exterior of sashes at sill for weather tight seal.
Construction:
All joints of frame and sash members shall be neatly fitted, securely
connected and permanently watertight. Frames shall have step point
construction for maximum rigidity. Both frames and sash members shall use an
extruded screw boss that is an integral part of the extruded section. The
operating sash shall interlock at both meeting rail and closing jamb. Sash
shall roll on self-lubricating ball bearing adjust adjustable rollers, and
be easily removable from inside when in open position and not removable when
in locked position. Mullions to be furnished as required. Fixed and movable
sash use drop in type glazing.
Hardware: All
fasteners, screws, rivets and other miscellaneous fastening devices shall be
of aluminum, stainless steel or other non-corrosive material compatible with
aluminum. Horizontal rollers shall
be of wheel and axle type constant force. No adjustments necessary.
Glazing:
Aluminum windows
shall be glazed with 7/8" double or triple sealed insulated glass. Also
available: bronze tint, low E, and muntin bars between glass at an extra
charge.
Screens: Screens
shall be available on Series 2100 windows and shall be easily
installed or removed from inside without removing operating sash. Screen
frames shall be aluminum sections securely joined at the corners. Screen
cloth shall be 18x16 mesh charcoal aluminum.