The 90-minute steel system with the vision panel that keeps supervision and daylight in play — corridor sightlines and code-required observation without giving up the rating.
Specifications
| Fire performance | 90 minutes — Intertek report 250612025SHF-004 (steel door + frame, GFM-MLKDAS-L-1224 A90Mins, tested 2025-12-29) · GB 12955-2008 Class A (1.5 h) |
|---|---|
| Certified single opening — leaf | 1120 × 2355 mm, single swing (ATM 91995) |
| Certified single opening — frame | 1130 × 2365 mm · steel frame stop 15 mm · min throat opening 84 mm (ATM 91996) |
| GB max envelopes | Single 1200 × 3500 mm — GFM-1235-dk5 Class A (CQM23335301012361) · pair 3000 × 3500 mm — GFM-3035-dk5 Class A (CQM23335301012360) |
| Hardware | Listed mortise or cylindrical locks · min latch-bolt throw 1/2 in (12.7 mm) · min one single-point standard latching (ATM 91995) |
| Edge sealing | Category G intumescent edge seal (Category B label) · optional “S” smoke label with listed Category H smoke & draft gasket (ATM 91995) |
| Hose stream | Included in the 90-minute positive-pressure evaluation (ATM 91995) |
| Vision glazing | Engineered per opening; certified glazing envelope reference: max 330 × 330 mm, min bite 12.5 mm, min 367.5 mm edge distance (Listing 92609) |
| Standards | UL 10C (2016) · UL 10B (2008, R2020) · NFPA 252 (2022) · CAN/ULC S104 (2015, R2020) · NFPA 80 installation |
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.