Grade 4 (RC4/FE15) Security Door

from $12000.00

Engineered in layers, for real resistance.

High-performance engineered wood offering superior durability, moisture resistance, and design versatility.

Grade 4 doors include an extra 1.5mm steel shield for added protection. Can be upgraded to ballistic-grade steel.

The leaf features a deeper welded steel frame and Rockwool insulation, secured with a four-directional multi-point locking system.

Cold Reduced Oiled Steel forms the main structure, reinforcing the door against impact and forced entry.

Internal layer of Umidax or Tricoya adds strength, moisture resistance, and fire protection.

Robust double "L" frame with integrated Rockwool insulation offers excellent strength, durability, and thermal performance.

Double "L" shape reinforced frame crafted from 2mm steel, with built-in insulation, internal and external architraves. 115mm steel profile.
Internal Umidax / Medite Tricoya board.
Metal sheet 1.5mm.
Four directional 11 locking bolts as standard.
Rockwool insulation.
Vertical steel stiffeners.
Horizontal steel stiffener.
Additional metal 1.5mm / ballistic grade sheet.
Optional additional locking points (same or separate key).
Medite Tricoya board.
Premium-grade stainless steel threshold with dual rubber seals for enhanced airtightness.