The Bat Metalwork Frame Cramp - 50mm Upstand is a stainless steel cramp that provides a supportive connection between existing outside walls and new walls i.e. join masonry to concrete or steel frames. Expansion bolts are recommended for fixing to concrete and self-drilling screws for fixing to steelwork. Ideal for extensions in older houses.
Provides supportive connection between old & new walls
Use expansion bolts when fitting to concrete
Use self drilling screws when fitting to steelwork