The dependable 60-minute steel leaf for stairs, corridors and service rooms — flush, powder-coated, certified in single, pair and mother-son layouts.
Specifications
| Fire performance | 60 minutes (1.0 h, Class B) — GB 12955-2008 steel insulated fire doors; the steel family is additionally furnace-tested by Intertek at 90 min (report 250612025SHF-004) |
|---|---|
| Certified single families | GFM-1023-bdk5 / dk5 Class B — Z2015081806004971 · decorative-face GFM-1123-dk5 — Z2018081806009543 · pressed face with viewer GFM-1023-dk5 Class A — Z2016081806004336 |
| Pairs & mother-son | GFM-2123-bdk5 / dk5 Class B incl. GFM-1523 mother-son — Z2015081806004972 · GFM-2123-dk5 Class A — Z2018081806009545 |
| Class A envelopes | Single 1200 × 3500 mm (GFM-1235-dk5, CQM23335301012361) · pair 3000 × 3500 mm (GFM-3035-dk5, CQM23335301012360) |
| North-American steel program | 90 min single swing 1120 × 2355 mm (ATM 91995) · frame min throat opening 84 mm, stop 15 mm (ATM 91996) · latch-bolt throw ≥ 1/2 in |
| 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
- 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.