Measure the size of the doorway.
First of all, it is necessary to accurately measure the size of the door opening in order to choose the appropriate channel length. The size of the doorway determines the length of the channel steel, which needs careful measurement.
Cutting channel steel
According to the size of the doorway, carefully cut the channel steel to ensure the smooth incision. The cut channel steel can be tested at the door to ensure the suitability of length and size.
Stamping fixation
Punch holes in the wall around the door opening corresponding to the position of channel steel. The location of the hole needs to match the length and size of the channel steel to ensure that the channel steel can closely fit the wall.
Fixed channel steel
Put the channel steel into the hole and attach it closely to the wall. Fix the channel steel firmly on the wall with screws and expansion pipes. Channel steel is added to the upper, lower and both sides of the doorway to strengthen the reinforcement effect.
Plastering treatment
Plaster or paint the wall to make the reinforcement effect more beautiful. When reinforcing the doorway, effective reinforcement measures must be taken to ensure that the doorway is firm and safe.