Building protection against forcible entry - comprises galvanised rectangular tubes carrying freely inserted steel cores

摘要

Break-in protection sides are formed from hot-galvanised rectangular tubes to hold the parallel casing tubes together with their freely inserted steel cores. The rectangular tube profile (1) is reinforced inside on its narrow side by hardened steel inlays right the way along (3) using an impact-absorbing connecting medium. The inlays are pref. glued into place. USE/ADVANTAGE - Dwellings, offices etc, cellar windows, pavement lights etc. The reinforced steel inlays glued into holding tubes resist sawing and impact from all directions.