Metal doors and windows to install the project quality requirements which
Door and window installation to meet the installation process, at any time to check and adjust the installation quality of each process. Window frames and window holes are to draw the center line, the window frame into the hole when the center line alignment, the frame angle for temporary fixed, carefully adjust the window frame of the vertical, horizontal and straight angle, the error should be within the allowable deviation range.
Do the protection of finished products and the usual use of maintenance, to prevent the impact of external forces, not hanging heavy objects, resulting in deformation of doors and windows. Use light to light off, to extend its service life.
Doors and windows should be checked before the box diagonal and flatness deviation, the box after the use of steel plate ruler, feel the checker box lap width, the surrounding gap, until the meet the requirements.
Proper installation of metal parts, found that damage should be replaced.
