How to Repair A Steel Door


Steel doors provide robust barriers against intruders. They are used in homes and commercial building s alike. What’s more, steel doors are strong and durable and require minimal maintenance. But, there’s a possibility of denting in cases excess force is applied. How can I repair my steel door? Read on for great ideas.

1. Detach the door from the frame

Use a screwdriver and a hammer for popping out the hinge pins. Remove the steel door from the frame and lay it flat. At this point, you can choose to continue with the repairs or acquire a new door. If you decide to purchase a new commercial steel door for your garage, shed, or business premises, click on The URL and check the options available. Similarly, if you plan to continue with the repairs, wear protective gear, including a painter’s mask, safety glasses, and rubber gloves.

2. Remove screws & Wash the door

Pluck all the screws on the door’ kick plate using a screwdriver. Scrape any loose paint using a paint scraper and sand the rusty patches. Once done, wash the door using soap and water This way, you eliminate all the dirt, grit, grease, and debris on the surface. Rinse thoroughly and allow it to dry.

3. Sand the dents

Moreover, sand the dents, holes, and scratches using an electric sander or coarse sandpaper to remove paint around the dented area. This will result in scares on the door’s surface but forms a great surface that can hold the patch material in place. Wipe with a tack cloth to clean the sanding dust.

4. Apply auto body filler

Use a plastic putty knife to apply auto body filler to the affected areas. Spread it on the damaged area and press until the patch is higher than the door’s surface. Allow the putty to cure for about 30 minutes and sand the patch. Firstly, use 80-grit paper on a rubber sanding block. Afterward, sand using a150-grit paper until the patch almost levels up with the surrounding area.

5. Feather the edges & Apply a primer

Sand more using 400-grit sandpaper, and do this until the patch levels up with the neighboring surface. Feather the edges and scour any loose paint. Moreover, scuff sand the other parts of the door with fine-grit sandpaper in preparation for the primer. Afterward, apply an oil-based primer designed for metal doors. Allow the primer to dry and sand lightly to remove any drips.

6. Paint the door

Apply one or more finishes or later or oil-based paint using a brush or roller. Allow the paint to dry overnight. Apply silicone around the top and the sides of the kick plate to seal the plate. By so doing, you prevent moisture from leaking behind and causing rust. 

7. Reinstall the door

Moreover, align the plate with the door to allow the screw holes to line up with the existing door’s mounting holes. And then reinstate the screws and the door into its position. To achieve this, start by replacing the bottom hinge pins and then the top.


Having a steel door benefits your property in various ways. It not only offers security but also raises the value of your property. If you have issues with your door, follow the steps mentioned above to repair it. You can also hire an expert to help restore your door to its original perfect condition.