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How to Fix an Aluminum Door?

Learn how to fix an aluminum door with easy-to-follow steps for common issues like alignment, handle repairs, and more to restore your door's functionality.
Apro / Blog / How to Fix an Aluminum Door?

Aluminum doors are durable, light, and, rust and corrosion-resistant. But like any material, they can wear and tear over time and develop issues like misalignment, damage, or malfunctioning parts. 

Knowing how to fix aluminum doors can save you time and money and keep them functional and looking good. This guide will go through common problems and solutions to help you fix your aluminum door.

Common Problems with Aluminum Doors

Glass and aluminum doors installed at a commercial entrance

Before you start the repair, you need to identify the problems with your aluminum door. Some common problems are:

Misalignment Misalignment occurs when the door doesn’t close properly and has gaps or is hard to open and close. This is caused by temperature changes which can affect the frame or worn-out hinges
Scratches and Dents Aluminum is rust-resistant but can still be scratched or dented. This affects the appearance of the door and can compromise its structure over time.
Faulty Locks and Handles Over time, locks and handles can wear out or get damaged, and you can’t secure the door. This may require replacement or repair of the locking mechanism.
Weather Stripping Deterioration Weather stripping is important for energy efficiency and to prevent drafts. If the weather stripping is old or damaged, it may need to be replaced to get a proper seal.
Hinges and Hardware Issues Hinges can become loose or damaged, and the door can sag or become hard to operate. Inspect and tighten or replace the hardware to keep it functioning properly.

Tools and Materials

Repairing the lock mechanism on an aluminum door

Before you start any repair, gather the tools and materials. Here’s what you’ll need:

  • Screwdriver (flat and Phillips)
  • Allen wrench (if applicable)
  • Pliers
  • Level
  • Lubricant (silicone spray or WD-40)
  • Replacement parts (locks, handles, weather stripping, etc.)
  • Cleaning supplies (mild detergent and soft cloth)
  • Aluminum repair kit (for scratches and dents)

Fixing Aluminum Doors

Tightening an aluminum door lock with a screwdriver

Here, we will go through step by step how to fix Aluminum doors

Fixing Misalignment

To fix misalignment in an aluminum door, start by checking the alignment. Close the door and see if there are gaps between the door and the frame. Use a level to check if the door is hanging straight. If misaligned, the next step is to adjust the hinges. 

Tighten the screws on the hinges; if that doesn’t solve the problem, you may need to adjust more. For adjustable hinges, use an Allen wrench to fine-tune the position. 

If the door is still not aligned, it means the frame has shifted. In this case, add more screws or brackets to the frame to make it stable. 

This is important to maintain the integrity of the door and to make it operate smoothly. Check and fix misalignment regularly to prevent further problems and extend the life of your aluminum door.

Fixing Scratches and Dents

  1. Clean the Area: Use mild detergent and a soft cloth to clean the scratched or dented area. This will ensure the repair products will adhere properly.
  2. Apply Aluminum Repair Kit: For scratches, use an aluminum repair kit which usually comes with a filler and a touch-up paint. Follow the instructions.
  3. Smooth the Surface: After the filler has dried, use fine-grit sandpaper to smooth the surface to level with the surrounding area.
  4. Paint (if necessary): If the door is painted, match the paint color and apply a coat over the repaired area to blend in.

Fixing Faulty Locks and Handles

Repairing a faulty lock and handle on a metal door
  1. Inspect the Lock and Handle: Check if the lock or handle is loose, damaged, or broken.
  2. Tighten or Replace: If the lock or handle is loose, tighten the screws. If it’s broken, remove it using a screwdriver and replace it with a new one.
  3. Lubricate the Lock: You should apply lubricant to the lock mechanism to make it operate smoothly. This will minimize future sticking or jamming problems.

Replacing Weather Stripping

To replace weather stripping on an aluminum door, remove the old weather stripping. Gently pull it off the door frame and get as much of the adhesive off as possible. This will give you a clean surface for the new material. Measure the length you need for the new weather stripping and cut it to size. 

Make sure to get weather stripping for aluminum doors, like adhesive-backed foam or rubber; it will seal properly. Once you have the new weather stripping ready, install it by pressing it into place along the door frame. 

You need to check that it seals tight when the door is closed, this will help stop drafts and save energy. Also, check and replace weather stripping as needed to keep the door performing and lasting longer.

Fixing Hinges and Hardware

To fix hinges and hardware on an aluminum door, start by checking the hinges for wear, rust, or damage. If you see damage, you’ll need to replace the hinges to make sure they work properly. 

Next, check for loose screws, use a screwdriver to fix any loose screws in the hinges. This will often fix sagging and make the door operate smoothly. If tightening the screws doesn’t help. You may need to remove the damaged hinge and replace it with a new one, to make sure the new one is compatible with aluminum doors. 

Finally, lubricate the hinges regularly with the right lubricant. This will make it operate smoothly and stop rust and wear over time, extend the life of the hardware, and keep the door functioning. Hinge maintenance is key to a smooth operating door.

Maintenance Tips

Aluminum framed glass wall for commercial construction

To keep your aluminum door in top shape, maintenance is important. Here are some:

  • Regular Cleaning: Clean the door regularly to get rid of dirt, grime, and potential corrosive materials. Use mild detergent and soft cloth to avoid scratching the surface.
  • Lubricate Moving Parts: Lubricate hinges, locks, and handles every few months to prevent wear and tear.
  • Inspect for Damage: Check the door regularly for any damage, scratches, dents, or wear on hardware. Fix it as soon as possible to prevent further damage.
  • Check Weather Stripping: Check the weather stripping periodically to make sure it’s still intact and sealing properly. Change it as needed to save energy.

When to Call a Professional?

Bi fold aluminum glass doors for home extension

While many aluminum door repairs can be DIY, some situations require professional help. If you encounter the following, call a pro:

  • Structural Damage: If the frame or structure of the door is damaged, a pro should assess and fix it to ensure safety and functionality.
  • Complex Locks: If you have a locking system you’re not familiar with, call a locksmith or door specialist.
  • Big Dents or Scratches: If the damage is major, a repair service can fix it.

End Notes

Aluminum sliding door with a locking handle being repaired

Fixing aluminum doors is easy if you know what to do and follow the right steps. Maintenance and prompt repair will extend the life of your aluminum doors and keep them functional and looking good.

Looking for aluminum doors or materials for your next project? Contact Guangzhou APRO Building Material Co., Ltd. Get in touch today to check out their products and find what you need!

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