Construction precautions for broken bridge aluminum doors and windows

How to understand the construction technology of broken bridge aluminum doors and windows, whether it is broken bridge aluminum interior doors (including partition doors)It is still a broken bridge aluminum window. Decoration owners must pay attention to the following points when purchasing aluminum alloy doors and windows:

1. Underline positioning

According to the installation position, size and elevation of the doors and windows in the design drawing, measure the door and window edges from both ends according to the center line of the door and window. If it is a multi-story or high-rise building, the edge of the door and window on the top floor shall be used as the standard. Use a wire attachment or theodolite to guide the edge of the door and window downward, and mark the doors and windows on each floor. Any uneven edges must be chiseled. The horizontal orientation of doors and windows is based on the +500mm horizontal line in the floor interior. Measure the height above the window and find the straight line. Each floor must keep the same elevation under the windows.

2. anti-corrosion treatment

Post a plastic film for protection to prevent the cement mortar from directly contacting the surface of the broken bridge aluminum doors and windows. An electrochemical reaction occurs, corroding the broken bridge aluminum doors and windows.

When installing broken bridge aluminum doors and windows, if connecting iron parts are used for fixation, galvanized iron parts should be used for connecting iron parts, fixings and other installation metal parts to avoid electrochemical reactions and corrosion of broken bridge aluminum doors and windows.

3. The installation of broken bridge aluminum doors and windows is in place

According to the marked door and window positioning lines, install the broken bridge aluminum Door and window frames, and promptly adjust the horizontal, vertical and diagonal length of the window frames to meet quality standards, and then temporarily fix them with wooden wedges.

4. Fixing of broken bridge aluminum doors and windows

When there are iron parts embedded in the wall, you can directly The iron legs of the broken bridge aluminum doors and windows are welded firmly to the embedded iron parts on the wall.

When there is no iron embedded in the wall, a nail gun can be used to fix the iron feet of the broken bridge aluminum doors and windows to the wall.

When there are no iron parts embedded in the wall, metal expansion bolts can be used to fix the iron feet of the broken bridge aluminum doors and windows to the wall.

5. Handling of gaps between window frames and walls

After the broken bridge aluminum doors and windows are fixed, they must first be The concealed project shall be inspected and accepted. After passing the inspection, the gap between the door and window frame and the wall shall be dealt with in a timely manner according to the design requirements.

You can use mineral wool or glass felt strips to fill the gaps in layers, leaving a 5-8mm deep notch on the outside to fill in the caulking

grease, or after anti-corrosion treatment on the outer surface around the door and window frames, fill it with cement slurry or fine stone concrete.

6. Devices for door and window sash and door and window glass

Door and window sashes and door and window glass should be installed after the surface decoration of the opening wall is completed.

Hoop door and window glass should be installed after the decoration of the wall surface of the opening is completed.

Sliding door and window frame After the installation frame is installed and fixed, place the entire window with glass into the frame and adjust the gap between the frame and the sash through the slide rails.

7. Installation hardware accessories

Galvanized screws are used to connect hardware accessories to doors and windows. The installed five-handle accessories should be strong and flexible and flexible to use.