Pittsburgh Corning 12 in. x 12 in. x 4 in. Decora Glass Blocks (3-Pack) have trademark wavy undulations that allow for maximum light transmission with subtle visual distortions. They are designed for installation in straight panels that are supported on at least 3 sides. The 4 in. nominal thickness offers stability and durability.
- Made in america
- 100% Real glass
- 4 in. thickness provides stability and durability
- Designed for installation with straight panels supported on at least 3 sides
- Non-directional faces for convenience of installation
- 1.96 R-value
- UL fire rated
- Decora pattern allows maximum light transmission with subtle distortion
- Note: Product may vary by store.