The Pittsburgh Corning Thickset 8 in. x 8 in. x 4 in. Endura Glass Block 4/CA is designed to offer a 90-minute fire rating. The glass block features a fluted design pattern with excellent privacy.
- Endura narrow fluted design pattern
- 4 in. Thick glass block
- Can be used for hurricane impact windows
- Moderate light transmission
- Horizontal narrow flutes on 1 side and vertical flutes on the other for privacy
- Made in USA
- Made in America