1. The processing and production of aluminum doors and windows for broken bridges should be carried out in the factory, not on the construction site. The production of doors and windows should meet the requirements of design and installation and acceptance specifications for aluminum alloy doors and windows. The frames of aluminum alloy doors and windows should be installed firmly. Flexible opening, there should be a drain hole at the window sill, and a limit device should be set. Fasteners should comply with the relevant technical regulations; hardware models, specifications and performance should comply with the current national standards.
2. The processing of the drainage holes on the slideway of the sliding window should follow the principle of the outer hole of the inner fan and the inner hole of the outer fan to ensure the sealing performance of the door and window, especially the sliding window with the horizontal top horizontal direction.
3. Before assembling the broken bridge aluminum doors and windows, the end processing burrs should be removed, and the end nodes and profile joints must be sealed with waterproof glue and other sealing measures to prevent the structure from seepage.
4. The structural assembly assembly of the hidden frame window must be made and maintained in a purified room.
The dust, oil stains and other contaminants on the bonding surface of the glass and aluminum frame must be removed with a solvent; a clean dry cloth should be replaced every time a component or piece of glass is cleaned; the solvent should be poured on the cloth, and it is strictly forbidden for the cloth to touch the solvent bottle mouth. The glue injection must be full, there should be no bubbles or leakage, and the surface of the glue joint should be smooth and smooth; the remaining glue in the glue joint should not be reused.