
- 100% pure virgin vinyl mainframe and sash
- Hollow Chambers in the mainframe increase energy efficiency
- 8 individual seals hold glass panes securely in place
- Co-extruded weatherstrip bulb ensures a positive seal every time
- Dual Pane "real glass" - obscure/clear standard
- Powder coated zinc sash lock ensures strength and durability when
operating the sash
- 1/8" thick aluminum hinges ensure a rust free quality operation of vent unit
- Full Bug Screen keeps the pests outside where they belong!
3" - Standard
4" - Snap on adapters are applied for a perfect match to 4" wide glass block
2" - The only vent company that offers a 2" frame for 2" glass block !

- 100% pure virgin vinyl mainframe and sash
- Hollow Chambers in the mainframe increase energy efficiency
- 8 individual seals hold glass panes securely in place
- Co-extruded weatherstrip bulb ensures a positive seal every time
- Dual Pane "real glass" - obscure/clear standard
- Powder coated zinc sash lock ensures strength and durability when
operating the sash
- 1/8" thick aluminum hinges ensure a rust free quality operation of vent unit
- Full Bug Screen keeps the pests outside where they belong!
3" - Standard
4" - Snap on adapters are applied for a perfect match to 4" wide glass block
2" - The only vent company that offers a 2" frame for 2" glass block !
Phone: 708-532-7330
Phone: 815-416-1007
Two locations to serve you!
Email: Quality Glass Block