
Continuous lock handles allow sash operation from window sill

4-1/4" Frame & 12 pounds sill tank

Stainless steel ball-bearing rollers for smooth sash operation

1" double-pane insulated glass for energy efficiency

Deep sash interlock augmented with two additional weather-strippings seal out moisture, dust, and air.

Double weather-stripping at all meeting surfaces minimizes air and water infiltration.

PPG Duracron finish that meets the AAMA 2603 standard.

All A-500 Aluminum Thermal Break Windows are covered by our impressive Lifetime Limited Warranty