div class=ts-pagebuttonPage 1button div class=ts-image amp-img class=ts-thumb alt=Page 1: FSDC Global · 2016 9 15 · BS 6375 Part 1 :2004 Performance of windows and doors - Part 1: Classification for weather-tightness and guidance on selection and specification The src=https:reader036vdocumentssitereader036viewer2022071509612d0d601ecc51586941f2dfhtml5thumbnails1jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 2button div class=ts-image amp-img class=ts-thumb alt=Page 2: FSDC Global · 2016 9 15 · BS 6375 Part 1 :2004 Performance of windows and doors - Part 1: Classification for weather-tightness and guidance on selection and specification The src=https:reader036vdocumentssitereader036viewer2022071509612d0d601ecc51586941f2dfhtml5thumbnails2jpg width=142 height=106 layout=responsive amp-img divdiv