GemRockEST. 1993
+44 (0)— —— —— Request a quote
Home/Consumer
Consumer division

Fibreglass, brought home.

The division where defence-grade fibreglass comes home — engineered front doors and architectural planters, built to outlast timber, uPVC and the seasons. Our door range leads the way.

EST. 1993Engineered in-house
Why fibreglass

Six reasons it beats timber and uPVC.

Outcome first, engineering as proof. Figures are placeholders for your verified data.

Energy efficiency

Insulating foam core for lower heat loss and warmer rooms.

U-VALUE · —

Security

Reinforced, impact-resistant construction.

PAS 24 · placeholder

Durability

Won't warp, rot, rust or crack — engineered to last.

30-YR · placeholder

Low maintenance

No repainting; colour-stable, wipe-clean finishes.

NO REPAINT

Weather resistance

Holds form in heat, cold, damp and coastal air.

−20→60°C · placeholder

Design flexibility

Styles, colours, finishes and glazing to fit the home.

18 FINISHES · placeholder
Construction & engineering

Built in layers, bonded as one.

  • 01GRP skin. Glass-reinforced polymer outer that resists impact, dents and the weather.
  • 02Insulating core. A dense foam core that slows heat transfer and deadens sound.
  • 03Reinforced edge & weather seal. Engineered edges for security hardware and a tight, draught-free close.
Explore the cross-section
Finishes & options

Colour-stable, engineered to stay that way.

Choose a finish, glazing and hardware. Swatches are placeholders for your real finish library.

See all options
Anthracite Forest Slate Blue Oxblood Pebble Chalk Oak Midnight Sage Copper Graphite Linen
12 of 18 shown · placeholder library

Ready to spec your door?

Tell us the opening, the style and the finish — we'll send a quote engineered to your home.

Request a quote