Entrance Doors
Gerda Steel Doors
Gerda steel security doors combine superior protection with attractive finishes comparable to high-end composite doors. Reinforced steel core construction with up to 12-point locking systems, available in RC3 and RC4 European security ratings. Galvanised steel with powder-coated finishes in multiple panel designs and colours.
Features & Benefits
RC3/RC4 Security
5-10 minutes resistance to sustained attack with heavy tools
Up to 12-Point Locking
Maximum security with multi-point locking across the full door edge
Reinforced Steel Core
Galvanised steel construction for unmatched strength
Thermal Breaks
Insulated panels with thermal breaks matching composite door performance
Premium Finishes
Powder-coated in multiple colours, indistinguishable from high-end composites
Zero Maintenance
Galvanised and powder-coated finish resists corrosion indefinitely
Our Installations
Frequently Asked Questions
How secure are Gerda steel doors?
RC3/RC4 ratings provide 5-10 minutes of resistance to sustained attack with heavy-duty tools — the highest residential security available.
Are they energy efficient?
Yes — insulated panels with thermal breaks deliver performance equal to or better than composite doors.
How much do Gerda steel doors cost?
Between £3,000 and £8,000 installed, depending on model, finish and security rating.
Do they need maintenance?
Virtually none — galvanised and powder-coated finishes resist corrosion without any treatment.
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