- Three-lite unit available in 30- or 45-degrees.
- Choose either 2 or 3 operating units in either a Double Hung or Picture Window or Casement and Picture Window combinations.
- Unique, 1-1/4” offset seatboard design.
- Insulated seatboard provides high R-values.
- TimberStand®* wood mullions are 25% stronger than traditional wood mullions.
- Patented** window support system uses a combination of threaded steel rods and cables to ensure the unit remains securely in place.
- Red Oak or White Birch interior trim as well as headboard and seatboard veneers.
Bay Unit
(For features of individual windows within the Bay Unit, see 7700 Double Hung, Picture and Casement Window pages.)
1-1/2" Insulated Plywood with Wood Veneer Overlay
Patented**, Steel Cable and Threaded Steel Rod
Bay Unit Optional Features
Unfinished Wood or Pre-stained
Window Types & Configurations
Double Hung | Picture | Double Hung
Double Hung | Double Hung | Double Hung
Casement | Picture | Casement
Casement | Casement | Casement
*TimberStrand® is a registered trademark of Weyerhauser Company.
**Patent owned by Window Support Systems Inc.