How Long Does a Composite Door Really Last?
- littletzustudio
- 1 day ago
- 2 min read
When you’re investing in a new front or back door, one of the most important questions to ask is:
"How long will it last?"
Because it’s not just about how it looks on day one. A door should feel secure every time you lock it, hold up through every season, and give you the same peace of mind ten years from now as it does today.
What Is the Life Expectancy of a Composite Door?
A high-quality composite door can last between 25 and 35 years, depending on how well it’s made, installed, and looked after.
Composite doors are built using multiple durable materials — typically a reinforced timber or foam core with a tough GRP (glass-reinforced plastic) outer layer. That makes them far more resistant to warping, swelling, and fading than traditional timber or uPVC doors.
At Doorquay, we install composite doors from trusted brands like Rockdoor, designed for long-term performance in Scottish homes. Most come with strong manufacturer guarantees — but when fitted properly and maintained, they’ll last decades.
What Helps a Door Last Longer?
It comes down to three things:
The quality of the door
Not all composite doors in Dundee are made the same. A good one should feel solid when it shuts, not flimsy. That usually comes down to the materials inside — things like a high-density core, reinforced frame, and tested locking systems.
The way it’s installed
Even the best door won’t last if it’s not installed properly. We take the time to get the fit right — because a fully-fitted composite door isn’t just more secure, it performs better in the long run too.
How it’s looked after
The good news is: composite doors are low maintenance. A wipe down with soapy water now and then, and the occasional check of hinges or seals, is all most doors need. No sanding, painting, or sealing required.
Is It Worth the Investment?
We think so — and so do our customers.
Whether you’re upgrading from an old timber door or a tired uPVC one, the difference is easy to feel. Composite doors are heavier, quieter, warmer, and more secure — and they give your home a sense of quality every time you walk through them.
We Install Composite Doors Across Dundee, Fife, Perth & Angus
At Doorquay, we specialise in helping homeowners choose doors that stand the test of time — not just in performance, but in style and everyday use.
We’ll help you pick a door that suits your home, your budget, and the way you live. And we’ll take care of everything from design to fit — including removing and recycling your old door.