Helpful guides and information about composite doors
With over 25 years of experience behind us, designing and manufacturing composite doors. You can be sure that our team of experts know a thing or two about them.
We want to be sure each and every new owner of a Rockdoor composite door is happy with their door.
For that reason, we wanted to help those looking for an upgrade on their current doors, to have all of the information to hand to make a more informed decision and understand more before choosing a new composite door.
With so many options available from wooden doors, UPVC doors, composite doors and more. We want to ensure you know all of the facts before choosing your next door.

View the Rockdoor range of composite doors
The Rockdoor range of composite doors comes in 25 composite door styles, available in 13 different door colours. So no matter if you’re looking for new front doors, back doors or even double doors, French doors or stable doors. There’s a wide range of Rockdoor composite doors available to compliment the look and style of your home.
Rockdoor’s composite door guides
Advice and information about composite doors to help you make a more informed decision about the purchase of your new door.

A Guide to Accreditations

Guide to Buying Composite Doors

Composite Door RAL Colours

Composite Door Thresholds

French Doors vs Double Doors

What is Thermal Efficiency

Composite Doors Aftercare

Smart Doorbells for Security

Building Regulation Changes
Still need more help with choosing a Rockdoor?
We’ve hopefully covered many of the questions you may have had about Rockdoor’s range of doors along with information about composite doors in general. But we understand you may have further questions about the fitting of your new door and other installation related questions, which your chosen door fitter will be able to help you with. As so, you can either design a door today and request a quote and further information from one of our trusted installers, or go right ahead and find an installer to answer any further questions you may have.
Reasons to Choose a Rockdoor

Core Benefits
Rockdoors inner strength is unsurpassed thanks to a combination of a 360° aluminium reinforced inner frame and high-density thermally efficient PU foam. Customers can also choose steel mesh reinforcing for the ultimate in security.

£2,000 Guarantee
Our lock cylinders are burglar proof. A TSOO7 3 star rating, SS 312 Sold Secure Diamond Standard and Secured by Design accreditation see to that, plus our £2,000 security guarantee. Customers also receive three Rockdoor branded keys as standard.

Forced Entry
Rockdoors are designed for strength, it is in our DNA. For over 25 years, we have led the way in composite door development to ensure our doors protect homes and families from unwanted intruders and forced entry.

Hook up with Rockdoor
Strong sintered steel multi point hook locks with a 25mm throw, securely attach the door to the frame to ensure it cannot be forcibly opened by burglars whilst ensuring a better sound and weatherproof seal.

Glass Leading Security
Rockdoors feature S Glaze technology, meaning your glass is locked into your door for life, for added security. It also means no glazing cassettes are used which are prone to fading and discolouration.

Stronger, it's Official!
Rockdoor is consistently found to be one of the most secure doors available in the UK, studies show that a Rockdoor is 35% stronger than a typical GRP door.