Gilashin bayanin martabar U / samfuran gilashin U sun cika buƙatun da suka dace game da § 8, Ragewa da § 9.4, Ƙarfin injina kamar yadda aka faɗa a cikin ƙa'idodin Turai EN 15683-1 [1] lokacin da aka gwada bisa ga EN 15683-1 [1] da TS EN 1288-4 [2].
