consumers who choose broken bridge aluminum doors and wins are becoming more and more popular more and more, broken bridge aluminum doors and wins are now used in many buildings, so it is said to learn to use aluminum doors and wins. “>broken bridge aluminum doors and winsprecautions , has also become a must-have common sense for customers.

how to understand the construction technology of broken bridge aluminum doors and wins, whether it is broken bridge aluminum interior doors (including partition doors)it is still a broken bridge aluminum win. decoration owners must pay attention to the following points when purchasing aluminum alloy doors and wins:
1. underline positioning
according to the installation position, size and elevation of the doors and wins in the design drawing, measure the door and win edges from both ends according to the center line of the door and win. if it is a multi-story or high-rise building, the edge of the door and win on the top floor shall be used as the standard. use a wire attachment or theodolite to guide the edge of the door and win nward, and mark the doors and wins on each floor. any uneven edges must be chiseled. the horizontal orientation of doors and wins is based on the +500mm horizontal line in the floor interior. measure the height above the win and find the straight line. each floor must keep the same elevation under the wins.
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 wins. an electrochemical reaction occurs, corroding the broken bridge aluminum doors and wins.
when installing broken bridge aluminum doors and wins, 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 wins.
3. the installation of broken bridge aluminum doors and wins is in place
according to the marked door and win positioning lines, install the broken bridge aluminum door and win frames, and promptly adjust the horizontal, vertical and diagonal length of the win frames to meet quality standards, and then temporarily fix them with wooden wedges.
4. fixing of broken bridge aluminum doors and wins
when there are iron parts embedded in the wall, you can directly the iron legs of the broken bridge aluminum doors and wins 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 wins 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 wins to the wall.
5. handling of gaps between win frames and walls
after the broken bridge aluminum doors and wins are fixed, they must first be the concealed project shall be inspected and accepted. after passing the inspection, the gap between the door and win 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 win frames, fill it with cement slurry or fine stone concrete.
6. devices for door and win sash and door and win glass
door and win sashes and door and win glass should be installed after the surface decoration of the opening wall is completed.
hoop door and win glass should be installed after the decoration of the wall surface of the opening is completed.
sliding door and win frame after the installation frame is installed and fixed, place the entire win 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 wins. the installed five-handle accessories should be strong and flexible and flexible to use.

