How to Repair a Hole in Aluminum Siding


Although aluminum siding used to be popular a few decades ago, there are still some house owner who still maintain the usage of this material for their house. Aluminum siding can also provide you with a durable and long-lasting exterior but sometimes accident happen and it might caused your aluminum siding to get dented and nicked on a few occasion. With the help of a few tips and the right kind of tools, you would be able to repair small holes on your aluminum siding. However, in order to repair a piece of aluminum siding, you need to replace the broken piece around the hole of your aluminum siding with a new siding. This is where you will encounter a little problem such as finding the exact location of the holes on your siding and also to find the exact paint to match your existing siding. By learning to repair a small hole in your aluminum siding you would be able to maintain your exterior siding to look good for quite a long time.

To repair a hole in aluminum siding, you need:

  • Soapy water
  • Paper towels
  • Sandpaper
  • Two-part epoxy filler
  • Putty knife
  • Oil based primer
  • Matching Acrylic house paint
  • Paintbrushes or paint rollers
  • Piece of aluminum siding
  • X-acto knife
  • Adhesive caulk or silicone sealant
  • Permanent marker
  • Safety goggles
  • Tin snips
  • Rust-resistant primer

Repairing a Hole in Aluminum Siding

How to Repair a Hole in Aluminum Siding

  • Once you have located the hole in your aluminum siding, you need to clean the area around the hole by using soapy water.
    • Then, rinse it thoroughly in order to remove any excess soap and debris.
    • Make sure that you dry the area using an absorbent paper towel so that it is completely dry.
  • In order to increase adhesiveness, you should sand the area around the hole in a lightly manner.
    • Once finished the sanding process, you need to remove any dust created by the sanding with a moist paper towel.

To be on the side, it is best for you to bring a sample of your damaged aluminum siding to your nearby siding supplier that can assist you in finding the best match with your existing siding and paint color. You can also call your original contractor or even the siding’s manufacturer in order to find the exact match for the replacement of your damaged siding.

  • Take your epoxy product and follow the instructions carefully before you mix a small batch of the solution.
    • You will find that the specifications will vary by brand and it is important that you carefully read the product’s instructions before applying the solution onto your aluminum siding.
  • You should be applying two-part of your epoxy filler quickly.
    • Unless the product requires you to use an applicator gun to apply it on the aluminum, it is best for you to apply the mixture by using your hand using a small putty knife.
  • After you have finished doing the above step, you need to leave the substance to dry thoroughly for at least 30 minutes.
    • Once it has dried, you have to gently sand it down so that it can match the surrounding of the affected aluminum area.
  • To make the damaged area matches the rest if your aluminum siding, you can use primer and paint the repaired area of your aluminum siding with the same color of paint.
    • Make sure to protect the damaged area from moisture and dirt for at least 12 hours.
  • As for repairing a large hole in your aluminum siding, you can use your X-acto knife and cut out the large damaged portion of the aluminum siding.
    • The less portion of the damaged area that you cut, the better end result you will get.
    • You can also use a marker pen to mark the damaged area that needs to be cut so that you can cut along the line.
  • You need to sand the corners of the portion that you have cut and gently sand the portion of at least 1-inch on both of its sides which is the top and bottom of the gap.
  • From the intact siding material, you have to cut a portion of it so that you can match the piece that you have just cut out.
    • Then, you need to add an additional inch on either of the side and also to the top and bottom measurements of your siding piece.
  • Next step that you have to do is to apply an adhesive caulk around the area of your damaged aluminum siding.
    • Once you have finished, you can now place the cut to fit the new piece of aluminum siding over the damaged area.
    • Make sure to press it down gently until a bit of overage squeezes out all the way around.
  • Then, you must allow the caulk to dry thoroughly overnight.
    • After that, you need to use your X-acto knife to cut away the overage in a careful manner.

    Always remember that whenever you want to repair a hole in your aluminum siding you need to make sure that you do not use latex based primer on your aluminum siding because the solution will immediately peel off the aluminum siding shortly once you applied the application.

    • If your damaged aluminum siding is quite large, you need to consult a specialist who are expert in aluminum siding repair.

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