div class=trans-pagebutton class=gotoPage data-page=1Page 1button div class=trans-imageimg data-url=documentbs-en-14351-12006a12010-table-ei-this-u-value-is-not-suitable-to-be-used-inhtmlpage=1 data-page=1 class=trans-thumb lazyload alt=Page 1: · BS EN 14351-1:2006+A1:2010 Table EI This U-value is not suitable to be used in window energy ratings calculations or U-value simulations according to BS EN ISO 10077-2 This loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII= data-src=https:reader033fdocumentsusreader033viewer20220416195e3e0c12e730232c8a131953html5thumbnails1jpg width=140 height=200 divdiv