The AHR-H is used to restrain the inner leaf of a cavity wall. The head is designed with a 7mm or 10mm hole for fixing to either the under side of steelwork or concrete and allows differential movement between inner leaf and the structure. Mortar is prevented from entering the AHR to ensure that vertical movement can take place. The foot of the AHR is bent to allow it to anchor under the blockwork.
The standard AHR will suit a 215mm high block and will resist lateral loads up to 1.5kN. Other sizes can be manufactured to suit customer requirements.
The unique spring retaining clip inserted in the tube prevents the two items separating, making installation as a complete unit possible.