The market leading non-setting compound for bead glazing into sealed timber and steel frames. -For use as part of a bead glazing system for installing sealed units to timber frames. (Hodgson Glazing System - B5). -As a sole bedding compound for bead glazing of single glass into timber frames. (Hodgson Glazing System - B1). -Suitable also for bedding glass into steel frames. (Hodgson Glazing Systems B1 & B5).