Rockdoor

Rockdoor - The UK's Most Secure Composite Door

Rockdoor is one of the UK's most trusted composite door brands, known for manufacturing high-security doors that don't compromise on style. Built with a reinforced frame, ultra-dense core, and advanced locking systems, Rockdoors are engineered to keep your home safe, warm, and quiet.

Unlike many composite doors, Rockdoor uses a unique S-Glaze system that locks the glass into the door itself, preventing forced removal. Combined with multi-point locks and optional steel mesh reinforcement, Rockdoors offer unparalleled resistance to break-ins.

Rockdoors are also among the most energy-efficient composite doors available, helping reduce heat loss and lower energy bills thanks to their A-rated thermal performance. Whether you're after a traditional look or something contemporary, you'll find a Rockdoor design to match, with a wide selection of styles, colours, and decorative glazing options.

Trusted by thousands of homeowners across the UK, Rockdoor is a solid investment in the safety, comfort, and appearance of your home.

Rockdoor - The UK's Most Secure Composite Door
  • Ultimate security with steel reinforcement and multi-point locking
  • High energy efficiency with industry-leading thermal performance
  • Unique S-Glaze system for permanently secure glass
  • Wide range of styles, colours, and finishes
  • Police-approved Secured by Design options available

FAQs

Frequently Asked Questions

Rockdoor doors are built with a high-density core, steel reinforcement, and the patented S-Glaze system, making them among the most secure and thermally efficient composite doors on the market.

Yes, Rockdoors are A-rated for thermal efficiency. Their solid construction and tight seals help reduce heat loss and lower energy bills.

Many Rockdoor models meet the police-backed Secured by Design standard, offering added peace of mind for homeowners seeking enhanced security.

Absolutely. Rockdoors are available in a wide range of colours, finishes, glass designs, and styles to suit traditional or modern homes.

Yes. Rockdoor offers both front and back door options, with consistent strength, style, and performance across their range.

Yes, all QHI installations are backed by an independent insurance-backed guarantee for long-term peace of mind.

Yes, QHI is fully FENSA registered, ensuring all installations meet or exceed UK building regulations.

QHI operates across Leigh, Wigan, Atherton, Lowton, Ashton, Cheshire and the surrounding North West region.

You can request a free, no-obligation quote by contacting us via phone or through the website.