According to the figure to determine the door and window opening direction and the door lock position.
After the sash door frame skin should generally be lower than the lintel 10-15mm, the window frame skin should be sill skin height 50mm, such as the hole height is slightly larger or slightly smaller, the window frame should be adjusted up and down to ensure that the beam plaster Thickness and slope outside the window sill.
When installing windows and doors, you must carefully plan and draw lines accurately.
The first time the planing should not be too much, the second time the planing is done without leaving the line and not eating the line, and the planing is accurate to ensure the installation quality.
The installation of the hardware must be completed in accordance with the design of nailing, location, and must not be missed. Wooden screws are forbidden to enter once, and wind hooks are not allowed to enter once.
There is a door and window frame with a face and a door and window frame with an open wall. Put a thickness of 15 to 18 mm before the frame to make the door frame flush with the plastering surface.
Doors and windows should be installed securely and there should be no hammer marks. The interface between the frame and the wall should be brushed with antiseptic oil
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