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WIND RESISTANCE

(UNI EN 12211 - UNI EN 12210)

The ability of a window to maintain a tolerable level of deformation, to maintain its properties and to ensure user safety when subjected to significant pressure and/or depression (such as those caused by wind). Conceptually identical to the previous one, this test method considers higher differences in pressure between outer and inner surfaces and very rapid achievement times. Basically, the window is exposed to sudden and intense pressure differences, after which its capacity to maintain its functional and performance characteristics is verified. Regulation UNI EN 12210 provides 5 classes of wind resistance performance (1 , 2 , 3 , 4 , 5 ) and 3 classes for the relative front arrow (A , B, C ).

Doc Legno windows (Item 56, Item 68) belong to class 3C.

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