1. Determine the material and damage degree of the coaming: select the repair method and material according to the material and damage of the coaming.

2. Clean the damaged parts: clean the damaged coaming to remove rust, dust and other impurities. It can be cleaned with tools such as copper wire brush or sandpaper.

3. Fill the gaps and damages: Fill the gaps and damages with suitable materials. Usually, the same or similar materials as the raw materials should be selected for repair.

4. Surface sealing: After the repair, the surface of the coaming can be sealed with antirust paint, paint and spray paint to prolong its service life.

5. Testing and installation: After the repair is completed, carry out the installation test to ensure that there is no abnormality in the connection and use of the coaming.