Window Fire Rated / Impact Block

Glass Block (60 & 90 Minute Fire-Rated) comes in 8” x 8” x 4” (THICKSET® 60 & THICKSET® 90) and is also available in 6” x 6” x 4” in the Clarity (THICKSET® 90). Choose from smooth and undistorted faces or other patterns based on your light admission needs and privacy needs. Choose from Clarity, Nubio, Spray, and Endura.