Comparison, purchase and experience of aluminum alloy casement windows: selection criteria for three types of aluminum alloy casement windows, i.e. general casement windows with rubber strips, casement windows with downward overhanging (inside opening and inside inverted) windows, and those in heat insulation broken bridge casement windows. The following contents are cleaned up by liefan doors and windows for your reference.
Compared with push-pull windows, casement windows have the characteristics of good sealing, high safety, and more harmonious with the overall style of buildings. However, due to the high cost, they were used in commercial and residential buildings, office buildings, high-grade residences and villas in some cities. With the progress of people's living standards, casement windows have begun to be widely used in general residential areas, In addition to profiles and hardware, the effect of sealant strips on the five properties of casement windows (air tightness, water tightness, wind pressure resistance, sound insulation and heat insulation) should not be underestimated. For a set of doors and windows, due to the neglect of sealant strips, the doors and windows are not sealed. For example, there are many information about sealant strips, and you can refer to JGT / 187-2006. With qualified data, there is no reasonable mouth planning, sealing of course can not be reached; and different window types have different requirements for adhesive tape, the following are some commonly used in casement window: the following is the selection of sealant strip in aluminum alloy casement window.
1、 The selection of glue strip shape in common casement windows
General casement window (38, 50 and other series), more choose the inside and outside frame two-layer seal, relatively simple, choose the adhesive tape mouth type, pay attention to the following points.
1. If the hinge device is selected for doors and windows, because the window closing is the process of pressing along the axis of the hinge, the tightening amount of the full closing type adhesive tape should not be too large, 1 ∽ 2mm is OK, so as to prevent the closing difficulty on one side of the device hinge due to the excessive tightening amount, and the contraction amount of 2 ∽ 3mm for non closed mouth type can be used.
2. If the sliding brace device is selected for the doors and windows, because the closing process of the window is similar to that of the parallel pressing process, the tightening amount of the adhesive strip can be larger, no more than 3 mm, provided that the locking is not too hard.
2、 Selection of rubber strip shape in side opening and lower suspension (inside opening and inside reversing) window
Side hung window is a popular window type in the world. The user can turn the window handle to open the window horizontally and suspend it downward, and close the window. When I am hanging, it can complete excellent ventilation and prevent burglars from entering through the window without occupying the indoor space. Because this type of window combines two operations of horizontal opening and downward suspension, the following points should be paid attention to when selecting this type of window and choosing the type of adhesive tape mouth: