div class=ts-pagebutton class=gotoPage data-page=1Page 1button div class=ts-imageimg data-url=bs-en-14351-12006a12010-table-ei-this-u-value-is-not-suitable-to-be-used-inhtmlpage=1 data-page=1 class=ts-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:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader033vdocumentsnetreader033viewer20220416195e3e0c12e730232c8a131953html5thumbnails1jpg width=140 height=200 divdiv