Building safety
When measuring the size of its outdoor side facing, it should ensure safety.
Necessary space
When measuring, the space around the measuring point should be observed on the spot to estimate whether the space required for carrying, rotating and installing doors and windows is enough, so as to determine whether the larger doors and windows are spliced or framed on site.
Precautions before and after installation of doors and windows
Explain to users the matters that need to be handled before and after the installation of doors and windows. The removal of the original doors and windows and the chisel of the hole should be solved by the user himself. The hole should be dug thoroughly. Decorative layers and plastering layers around indoor walls, doors and windows should be completely removed, and plastering layers on outdoor sides can be retained, but the edge of the joint between plastering layer and door window frame should be leveled, which will not affect the installation of ash or stubble; The plastering of the wall after the installation of doors and windows shall be solved by the users themselves.
the demand of users
Ask users about color, opening mode, glass, hardware fittings, delivery date and other requirements.
Drawing of partition diagram of doors and windows
Draw a detailed partition map of doors and windows, and the dimensions of each part should be accurate and clear; Has grown two millimeters spell parts to reflect clearly, and indicate the processing requirements; Generally, the dimension marked should be the processing dimension of doors and windows, and the expansion drawing of the outer opening of convex window or corner window should match the top view and indicate the dimension and angle of the outer opening. Under special circumstances, the size of the hole or protective frame can also be marked, but the size type and scale should be marked to avoid confusion.
Confirmation of window graph
The drawn window diagram shall be confirmed and signed by the user; Pay attention to the height of the windowsill, so as to design the opening position and the height of the lock; Also pay attention to the influence of ground elevation on the opening of damaged houses, generally from the decoration baseline to the height below the beam+baseline of the hole plus the depth of buried rail or frame.