This steel cavity cap is perfect for covering openings in concrete blocks at exposed locations. The preformed center locks firmly between concrete block cells to stop mortar infiltration.

Features

• Covers openings in concrete blocks at exposed locations
• Pre-formed center locks firmly between concrete block cells to stop mortar infiltration
• Reduces water penetration
• Sized to fit a typical 8 in x 16 in concrete block

200 pcs/ctn