First 4 Cladding Ltd are approved installers of the ultimate door for home security, ROCKDOOR®.

Established in 1996 ROCKDOOR® has been instrumental in the development of composite doors, leading the way in security, style and innovation. Producing almost half a million doors from there high-tech manufacturing facility.

ROCKDOORs are tailor-made from scratch for the ultimate in strength, with each door being manufactured to your exact requirements here in the UK.

ROCKDOOR® offer a vast collection of composite doors, thoughtfully designed their range features many individual door styles, from the contemporary to the traditional, and includes the market leading ROCKDOOR® Stable door and French doors collection.

The founding principles of ROCKDOOR® were to create a composite door that was a ‘cut above the rest’, both in terms of style and security and two decades on ROCKDOOR® is now well renowned both by industry and homeowners alike for the strength and security of their doors afford.

Because every ROCKDOOR® is made-to-measure rather than mass-produced to a standard shape before being trimmed to size, it’s an exact fit for your home. It means no leaks, no draughts and lower heating bills.

ROCKDOOR’s use nickel-coated solid brass for their patented hook locks, high impact uPVC skins to resist cut-through, carbon fibre to reinforce our inner frames and a unique S-Glaze system that locks the glass into your door for life.

It means ROCKDOOR’s can’t be forced open.

The toughest, safest and most energy efficient door. Keeping you safe. Reducing your bills. Giving you choice. View ROCKDOOR’s brochure here


The Only Way Through Is With Your Key

Hook Locks Nickel-coated solid brass. They slide into steel keeps that run the full length of the outer frame. It means your ROCKDOOR® can’t be forced open.

Carbon Fibre Used to build Formula 1 racing cars, orbiting satellites and fighter jets. Used for ROCKDOOR®reinforcement. Guaranteed to withstand phenomenal force.

High Impact Skins 50mm sash and high density core resists cut-through.

S-Glaze The unique system that locks the glass into your door for life. No leaks. No draughts. No burglars.

Made to Measure Every ROCKDOOR®is designed and built from scratch to be an exact fit.

3 Star Cylinder Master Locksmith

Association’s highest possible range – SS312 Sold Secure Diamond status.

It’s reassuring to hear and read about 3 star cylinders, multpoint locks, 50mm thickness, steel drill plates, carbon fibre reinforcement, toughened glass, S-Glaze technology and high impact uPVC skins.

But we reckon that what matters most to you as you lock up your home is that the only way to get past your ROCKDOOR® is with your key.

Engineered ROCKDOOR® is designed and engineered to keep you secure in your home.