Factory assembled twin and triple units simplify installation.
The continuous head and sill on these multiple units reduces the possibility of leaks and adds structural integrity. The necessity of costly field mulling of single units is reduced.
- Welded frame and sash construction
- Block and tackle balance system
- Sloped sill frame with brick mold style exterior
- Built in J-channel to accept vinyl siding
- Integral pre-punched nailing fin
- Tilt-in sash for ease of cleaning
- 5/8" insulated glass standard
- 13/16" internal grids or standard 1/1 lites
- Factory assembled multiple units with continuous head and sill
- Available with optional 4-9/16" jamb extensions