Oxfordshire
Steel Security Doors in Thame
Steel security doors from Gerda and SteelR provide the highest level of home security available. Gerda doors achieve RC3 and RC4 resistance class ratings — tested against sustained forced entry with heavy tools. SteelR doors combine industrial-grade steel cores with contemporary designs and thermal insulation.
Steel Security Doors Installers in Thame, Oxfordshire
Premium windows and doors in Thame. Aluminium and uPVC glazing with free surveys and honest pricing.
Why Choose Steel Security Doors for Your Thame Home
RC3/RC4 resistance class — the highest residential security rating
Multi-point locking with 17+ locking points on Gerda models
Steel core with 62mm insulated fill for U-values from 0.8 W/m²K
200+ designs from contemporary flush panels to heritage styles
Technical Specifications
Gerda doors: 72mm thick, 1.5mm galvanised steel skin, 17-point locking, RC3/RC4 rated. U-value from 0.8 W/m²K. SteelR doors: 62mm slab, 1.2mm steel with foam core, 5-point locking, Secured by Design. Both available in 200+ RAL colours.
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