The BAT SPH Joist Hanger is a single piece timber to masonry hanger for building into the inner leaf of new external cavity walls and internal walls. The ST type is two standard type S hangers joined together with a jointing plate (made to order). to enable the hanger to be positioned accurately whilst the masonry is built above. For lateral restraint an additional heavy duty strap must be used. Manufactured from 2mm thick pre-galvanised mild steel to BS EN 10327 : 2004, DX51D + Z600. Available for use with joists 100mm – 275mm high.