How to install doors and windows?

The first step is to count the number of doors and windows purchased, which is consistent with the number of holes, and put them into the corresponding holes.

Step 2, install the connector between the door window frame and the wall.

The third step is to clean the holes, such as dust, sand and cement particles in the holes.

Step 4, put the doors and windows in the corresponding installation positions on the wall surface and fix them with wooden wedges.

The fifth step is to ensure that the doors and windows meet the three standards and adjust the verticality, levelness and diagonal of the doors and windows.

Step 6, adjust the foaming fillers around the doors and windows, and connect them to the wall skirting line after foaming and curing.

Bury the notch; Fix the connector and the wall with expansion screws.

Step 7, treat the foaming agent, remove the outdoor protective film of doors and windows, and stick the external wall.

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