div class=trans-pagebuttonPage 1button div class=trans-image amp-img class=trans-thumb alt=Page 1: Royal Institute of British Architects · windows specifically PVC-U windows including issues such as U-values noise attenuation sustainability and recycling — How the windows src=https:reader034fdocumentsinreader034viewer202205202260373b71163dc83dc718b63dhtml5thumbnails1jpg width=142 height=106 layout=responsive amp-img divdivdiv class=trans-pagebuttonPage 2button div class=trans-image amp-img class=trans-thumb alt=Page 2: Royal Institute of British Architects · windows specifically PVC-U windows including issues such as U-values noise attenuation sustainability and recycling — How the windows src=https:reader034fdocumentsinreader034viewer202205202260373b71163dc83dc718b63dhtml5thumbnails2jpg width=142 height=106 layout=responsive amp-img divdiv