Timeless to Contemporary
Composite Doors | The UK's Best Composite Doors
Made to Your Taste
Each door can be personalised using a wide choice of finishes, colours, glazing, side panels, and frames. With more than 250 colour combinations to explore, your new door will be as individual as your home.
Strength at the Core
Built to Last in All Weathers
Every Comp Door composite door offered by DM Windows is built around a high-performance timber core, engineered to resist warping and cracking. The addition of CoolSkin technology ensures the door withstands the challenges of the British climate year after year.
Thermal & Weather Performance
With InvisiEdge bonding and TriSeal frames, these doors are designed to stop draughts, improve insulation, and deliver excellent U-values—meeting and exceeding current UK building regulations.
Advanced Security Features
Safety and Efficiency You Can Trust
Your safety comes first. Each door includes a 3-star ABS cylinder and robust multi-point locking system, giving you full protection against snapping, bumping, and forced entry. It’s security you can rely on, day and night.
These doors are PAS24 tested, meaning they meet the highest UK standards for security and durability. Combined with the solid timber core, you can feel confident that your home and family are protected with professional-grade strength built into every design.
