Midland Aluminium is a trusted UK Solidor trade supplier of composite doors, one of the UK’s leading composite door brands. Available in an extensive range of styles, colours and hardware options, Solidor composite doors combine outstanding security, thermal performance and kerb appeal in a single, well-specified product, alongside complementary ranges from Smart aluminium and Timberlook uPVC. Get your trade quote within 24 hours.
Solidor has earned its position as the UK's most trusted composite door brand through consistent product quality and an unrivalled range of styles and colours. Manufactured in Stoke-on-Trent since 2004, every Solidor door is built around a 48mm solid timber core, roughly 10% thicker than most competitor composite doors, delivering exceptional strength, security and thermal performance as standard.
Unlike foam-filled composite doors common elsewhere in the market, the solid timber core is fully encapsulated within durable ABS skins, giving customers the authentic look and strength of timber without the maintenance, painting or risk of warping. Every Solidor door is fitted with an Ultion cylinder lock as standard and is PAS24:2016 certified, with Secured by Design specification available where a project requires it.
With hundreds of colour combinations and a wide choice of hardware, it is a product that covers every customer brief and every project requirement.
If you are considering composite doors, you want a clear answer on strength, security and long-term reliability. These FAQs cover what trade customers and homeowners typically ask before choosing a composite door for a project.
Get a Trade Quote for Composite DoorsYes. Solidor composite doors are widely specified across the UK trade market due to their consistent build quality, broad design range and suitability for both standard and bespoke installations.
The key difference is the solid timber core. Each Solidor door is built around a 48mm solid timber core, which provides greater strength, structural stability and thermal performance compared to foam-filled alternatives.
Solidor composite doors are built with security in mind. Features typically include multi-point locking systems, high-security cylinders such as 3 star rated options, and robust door construction designed to meet modern security expectations.
Yes. Solidor offers bespoke sizing options, including narrow doors and arched designs, making them suitable for properties with non-standard apertures or traditional architectural features.
Yes. Composite doors are resistant to warping, cracking and weather damage. With basic care, they maintain their appearance and performance over many years without the upkeep required by timber doors.
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