Uw-values for Smart-Slide sliding doors

The U_w values given below refer to the sample size. The sample size refers to a single-sash window with a width of 1230mm and a height of 1480mm. All U_w values from German manufacturers are determined using this window size. As the window gets smaller, the U_w value goes down accordingly. For larger windows, the U_w value generally improves. Please note that the warm edge (thermally separated edge seal) is required to receive funding from the KfW (Reconstruction Loan Corporation). The U_w-values specified also apply to Smart-Slide sliding doors. Since their dimensions are larger than those of a test size window, however, Smart-Slide sliding doors achieve better Uw-values overall.

IDEAL Smart-Slide

Uw-values, IDEAL Smart-Slide profile

Glass U_g value W/(m²k)	Frame U_f value W/(m²k)	Window U_w value insulating glass edge seal aluminium W/(m²k)	Window U_w value insulating glass edge seal KSD W/(m²k)	Window U_w value insulating glass edge seal Swisspacer Ultimate W/(m²k)
1.1	1.4	1.3	1.2	1.2
1.0	1.4	1.2	1.1	1.1
0.7	1.4	1.1	1.0	0.98
0.6	1.4	0.97	0.96	0.95

Table of Uw values for IDEAL Smart Slide profiles according to DIN EN ISO 10077-1, see comments 1) 2) 3)

IDEAL Smart-Slide – profile section

Windows with a heat transfer coefficient of U_g < 1.9 W/m²K for the glazing may always be specified with the standard dimensions of 1.23 m x 1.48 m.
According to DIN EN ISO ₁₀₀₇₇, Uw values < 1.0 W/m²K are shown with 2 decimal points.
The U_w values given in brackets are not rounded and are for information purposes only.

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