Timber warmth over a steel core: heat-transferred grain, recessed groove geometry, none of timber’s maintenance. Certified in the steel and steel-wood composite families, mother-son layouts included.
Specifications
| Construction | Steel core with heat-transfer wood-grain face and recessed groove detailing |
|---|---|
| Fire performance | 0.5 / 1.0 / 1.5 h — GB 12955-2008 steel (GFM) and steel-wood composite (GMFM) insulated fire door families |
| Max certified envelopes | Single 1200 × 3500 mm (GFM-1235-dk5, Class A, CQM23335301012361) · pair 3000 × 3500 mm (GFM-3035-dk5, Class A, CQM23335301012360) |
| Decorative-face certificates | GFM-1123-dk5 Class B single — Z2018081806009543 · GFM-1023-dk5 Class A pressed face with viewer — Z2016081806004336 · GFM-1223-dk5 Class A mother-son, pressed face with viewer — Z2016081806004335 |
| Steel-wood composite families | Singles: Z2015081806004968 (Class B), Z2017081806000527 (Class A) · pairs incl. mother-son: Z2015081806004969 (Class B), Z2016081806004334 (Class A) |
| North-American steel program | 90 min · single swing 1120 × 2355 mm (ATM 91995) · latch-bolt throw ≥ 1/2 in (12.7 mm) · Category G intumescent edge seal · hose stream included |
| Standards | GB 12955-2008 · UL 10C · UL 10B · NFPA 252 · CAN/ULC S104 |
| Certificate validity | CCCF certificates active into 2029 |
Evidence & documentation
- Intertek test report 250612025SHF-004 — 90-minute steel fire door + frame (30 pages) · View PDF
- Authorization to Mark 91995 — single-leaf steel fire door, 90 min · View PDF
- Authorization to Mark 91996 — steel door frame, 90 min · View PDF
- Full certification wall — reports, authorizations and listings · certifications
Every quote ships with the matching test report, listing extract and hardware schedule. Request a project quote.

