UK Composite Doors: The Ultimate Guide to Installation

Published March 12, 2024

When it comes to upgrading your home’s entrance, composite doors are an unbeatable choice. Known for their durability, security, and aesthetic appeal, these doors are a popular choice among homeowners. If you’re thinking about installing a composite door, this guide is for you. We’ll walk you through everything you need to know, making the process as smooth as a freshly sanded door frame. And, when it comes to sourcing your new door, is a fantastic place to start.

Why Choose Composite Doors?

Composite doors are made from a combination of materials, including PVC, wood, insulating foam, and GRP (glass-reinforced plastic). This blend ensures your door is not only strong and secure but also thermally efficient and weather-resistant. Plus, they come in a variety of styles and colors, making it easy to find one that fits your home’s personality.

Before You Begin

Before diving into the installation process, there are a few things to consider:

  • Measurements: Getting the right size is crucial. Measure your door frame accurately to ensure your new door fits perfectly.
  • Tools and Materials: Ensure you have all the necessary tools and materials before you start. This might include a drill, screws, sealant, and of course, your beautiful new door from
  • Assistance: Installing a door can be a two-person job, so it’s wise to have a friend or family member ready to help.

Step-by-Step Installation Guide

Step 1: Removing the Old Door

  1. Safety First: Begin by wearing protective gear. Safety glasses and gloves are a good start.
  2. Unhinge: Start by removing the old door from its hinges. You might need a screwdriver or a drill, depending on how the door is fitted.
  3. Frame Prep: Once the door is out, clean up the frame and remove any old sealant or debris. This will ensure a clean surface for installing your new composite door.

Step 2: Fitting Your New Composite Door

  1. Dry Test: Before permanently fixing anything, do a dry test by placing the door in the frame to check for fit. It’s easier to adjust now than later.
  2. Fixing: Once satisfied, fix the door into place. Start with the hinges. If you’re unsure, ukcompositedoors provides excellent guidance and tips.
  3. Sealant: Apply sealant around the frame to prevent drafts. Ensure it’s evenly applied for a neat finish.
  4. Finishing Touches: Attach the door handle, letterbox, and any other hardware. Make sure everything is tight and secure.

Step 3: The Final Check

  • Open and Close: Test the door a few times to ensure it opens and closes smoothly.
  • Lock Mechanism: Check the locking mechanism to ensure it’s working correctly. Adjustments can be made if necessary.
  • Seal Check: Look around the door for any gaps. You shouldn’t see daylight peeking through the frame. If you do, additional sealing might be required.

Aftercare and Maintenance

Composite doors are low maintenance but giving them a little attention can extend their lifespan and keep them looking fresh. Wipe them down with a damp cloth to keep them clean, and oil the hinges if they start to squeak. It’s simple steps like these that keep your door functioning beautifully year after year.

Where to Find Your Perfect Composite Door

While there are many places to purchase a composite door, stands out for its quality, variety, and customer service. With an extensive range of designs and the option to customize your door, they make it easy to find the perfect match for your home. Plus, their website is packed with resources and guides to help you through the installation process.


Installing a composite door is a straightforward process that can significantly enhance your home’s curb appeal and security. By following this guide and choosing a reliable supplier like, you’re on your way to enjoying the benefits of your new door in no time. Remember, the key to a successful installation is preparation, precision, and a bit of patience. Happy installing!


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