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the size of the joinery element
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the assembly height of the joinery element within the building
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the relief area where the building is located
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The window is not good without a quality assembly.
Saving energy it doesn’t refer only to the high technical characteristics regarding the thermal insulation of the windows.
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never place an obstacle in the opening area between the sash and the frame
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avoid any additional load on the sash
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do not press the sash over the side jamb
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