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How to Adjust a Composite Door

Composite doors are known for their durability, security, and energy efficiency. However, like any door, they may require occasional adjustments to maintain optimal performance. Whether your door is sticking, sagging, or not closing properly, this guide will walk you through adjusting your composite door step by step.

For a comprehensive guide on installation, check out our article on how to fit a composite door.

Tools You’ll Need

Gather the following tools before you begin:

  • 5mm Allen key (hex key)
  • Flathead screwdriver
  • Phillips head screwdriver
  • Spirit level
  • Pencil
  • Tape measure (optional)

Step-by-Step Composite Door Adjustment Guide

1. Assess the Door’s Alignment

Start by visually inspecting your door’s alignment within the frame. Look for uneven gaps or areas where the door rubs against the frame. Use a spirit level to check if the door is sitting level.

2. Adjust the Vertical Alignment

If your door is sagging or sitting too low:

  1. Locate the vertical adjustment screw at the bottom of each hinge.
  2. Insert the 5mm Allen key into the screw.
  3. Turn clockwise to raise the door or counterclockwise to lower it.
  4. Make small adjustments, checking the door’s position after each turn.

3. Adjust the Horizontal Alignment

If your door needs to move left or right:

  1. Find the horizontal adjustment screw on the side of each hinge.
  2. Use the 5mm Allen key to turn the screw.
  3. Turning clockwise moves the door towards the hinge side, while counterclockwise moves it away.
  4. Adjust all hinges equally to maintain proper alignment.

4. Adjust the Compression

To ensure your door seals tightly against the weatherstripping:

  1. Locate the compression adjustment screw on the front face of each hinge.
  2. Use the 5mm Allen key to turn the screw.
  3. Clockwise turns increase compression, while counterclockwise turns decrease it.
  4. Aim for consistent compression across all sides of the door.

5. Fine-tune and Test

After making adjustments:

  1. Close the door and check for even gaps around the frame.
  2. Ensure the latch engages smoothly with the strike plate.
  3. Test the door’s operation by opening and closing it several times.
  4. Use the spirit level again to confirm the door is sitting level.

Troubleshooting Common Issues

Door Dropping Over Time

If your door consistently drops, it may indicate loose hinge screws or worn components. Tighten all visible screws and consider replacing the hinges if the problem persists.

Difficulty Locking or Unlocking

Misalignment can cause lock issues. Adjust the door’s horizontal position to ensure proper alignment with the locking mechanism.

Drafts or Light Visible Around the Door

Inadequate compression can lead to poor sealing. Adjust the compression screws to create a tighter seal against the weatherstripping.

Maintenance Tips

To keep your composite door functioning smoothly:

  • Regularly clean and lubricate the hinges with a silicone-based lubricant.
  • Inspect the weatherstripping annually and replace if worn or damaged.
  • Tighten hinge screws periodically to prevent loosening over time.
  • Clean the door and frame with mild soap and water to maintain its appearance.

When to Seek Professional Help

While many adjustments can be made DIY, some situations call for professional assistance:

  • If the door frame itself is warped or damaged
  • When adjustments don’t resolve the issue
  • If you’re uncomfortable working with tools or making precise adjustments
  • For doors still under warranty, to avoid voiding the coverage

Also, check out our post on other common problems with composite doors

Conclusion

Adjusting a composite door is a straightforward process that can significantly improve its functionality and energy efficiency. Following this guide can maintain your door’s performance and extend its lifespan. Remember to make minor, incremental adjustments and frequently test the door’s operation. With patience and attention to detail, you can ensure your composite door continues to provide security, insulation, and smooth operation for years to come.

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Astframe is a uPVC Windows & Doors manufactured based in Norwich.

We supply a range of premium quality products including uPVC Windows, Doors, and Conservatories. Aluminium Bi-Folding Doors, Patio Doors.

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Instead by providing approximate sizes, colours and openers for the windows and doors you require, we can price everything up and send you a quote within 24-hours.

Simply email your requirements to [email protected], fill out the “Get a Quote” form, or use our composite door designer.

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