What problems should be paid attention to in the construction of broken bridge aluminum doors and windows?
- Editor: liefan November 11, 2019 06:00:05
Shanghai liefan decoration materials Co., Ltd. warm tips: the heat conduction coefficient of heat insulation bridge broken aluminum alloy profile is 1.8 ~ 3.5w/m2 · K, which is much lower than that of ordinary aluminum alloy profile (140 ~ 170W / m2 · K); if hollow glass structure is used, its thermal conductivity coefficient is 3.17 ~ 3.59w/m2 · K, which is much lower than that of ordinary aluminum alloy profile (6.69 ~ 6.84w / m2 · K), which effectively reduces the transmission from door to window Before the installation of bridge broken aluminum doors and windows, the dimensions and three lines (vertical line, horizontal line and inlet and outlet line) of bridge broken aluminum door and window equipment shall be checked, and the horizontal line and vertical line of the whole facade door and window frame shall be checked to meet the requirements of design drawings. When installing the window, the vertical suspension line shall be used for positioning to ensure that the upper and lower windows of the whole facade are in a straight line. After the installation of bridge broken aluminum doors and windows and the construction of foaming agent for doors and windows, the iron feet of doors and windows should be buried in time. Seal the anchor foot with concrete or mortar. After the anchor foot is dried, remove the inclined wood. The windowsill shall be poured and tamped with C20 fine concrete and then painted. During the construction, the quality of painting around the hole should be ensured. The level of the lintel at the entrance shall be controlled at 1.5 ‰, the total length shall not exceed 3mm, and the verticality of the portal shall be controlled at 1.5 ‰. Pay attention to strengthen the maintenance after painting to prevent water seepage due to cracks in the painting layer.
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