Is a few screws, looks simple but do you have the confidence to use to Ann?
Ready for installation tools, such as impact drill, hammer, ruler, etc.
Take down the doors, the door into the door, with feet and straighten tool to check whether the frame is flat, if uneven, with wooden flat or with something for him to make the door frame is flat and level.
First within the door hinge side as reference edge to install patches on the frame stiffener square with rotation to frame, then will be installed in bending masonry nail or expansion bolt is fixed on the wall.
Lock on door leaf set of stainless steel door frame, lock, inside door installation piece fixed on the wall.
In the same way to gate on frame, fixed installation.
Check whether interior door, gate switch flexible, if is not flexible, can be wood further adjustment.
Between the frame and wall cracks in wood, make the door frame is relatively stable, and then to the doorframe perfusion cement mortar, such as cement mortar solidified the door after drying wood out to open the door. But within 24 hours, should try to reduce the number of doors.