9/16"X1-1/8"X4" Silicone Setting Block 1000/Cs

9/16" x 1-1/8" x 4", Silicone, Setting Block (1000 per Case)

Custom setting blocks level, protect and seal the insulated glass in commercial windows. They also provide stress relief since window materials expand and contract with changes in temperature. Custom setting blocks are relatively simple, but they help to keep glass from breaking and maintain the integrity of the glazing bead.