div class=ts-pagebuttonPage 1button div class=ts-image amp-img class=ts-thumb alt=Page 1: SUMMARY AND SECURITY · On external aluminium or UPVC doors excluding sliding and fire exit doors cylinder operated mortice deadlock and if double leaf flush bolts on first closing src=https:reader036vdocumentssitereader036viewer20220710225fd727a77577f91d36057060html5thumbnails1jpg width=142 height=106 layout=responsive amp-img divdiv