The following are the installation steps and methods of the interlocking door:

1. Preparation work:

• Determine the door opening size: According to actual needs, measure the height, width, and depth of the door opening to ensure that the door opening size meets the installation requirements of the interlocking door.

• Prepare installation tools: such as electric drills, screwdrivers, wrenches, spirit levels, etc.

• Check the door body and accessories: Check whether the door body, door frame, pulleys, guide rails, door locks and other accessories of the interlocking door are intact.

2. Install the door frame:

• Place the door frame in the door opening and use a spirit level to adjust the horizontality and verticality of the door frame to ensure that the door frame is firmly installed.