Corridor doors in care environments are the most inspected doors in the building. The MK-HC60 pairs a 60-minute rated leaf with the observation glazing staff need — sightlines without opening the door.
Specifications
| Fire performance | 60 minutes — Intertek report 250612025SHF-002 (glazed wood door + frame, tested 2025-12-30) · GB 12955-2008 Class B (1.0 h) families |
|---|---|
| Certified single opening (NA) | 1106 × 2410 mm with the matched wood composite frame (ATM 91994) |
| Frame system | Wood composite · min jamb depth 120 mm · stop 18 mm (ATM 91994 / Listing 92610) |
| Observation glazing | Certified glazing envelope: max 330 × 330 mm (0.1089 m²) · visible max 305 × 305 mm · min bite 12.5 mm · min 367.5 mm vision kit to door edge (Listing 92609) |
| Edge sealing | Category G intumescent edge seal on glazed constructions (Listings 92609 / 92611) |
| GB Class B families | MFM-1124 / 1121 / 0824 / 0821-d5 — Z2018081806009547 · MFM-1023-bd5 / d5 — Z2017081806000742 · MFM-1124-dk6 — Z2024081806000528 |
| Standards | UL 10C · UL 10B · NFPA 252 · CAN/ULC S104 · GB 12955-2008 · NFPA 80 installation |
Evidence & documentation
- Intertek test report 250612025SHF-002 — 60-minute glazed wood fire door + frame (30 pages) · View PDF
- Authorization to Mark 91994 — wood composite door frame, 60 min · View PDF
- Listing 92609 — glazed wood fire door, 90 min · View PDF
- Listing 92610 — wood composite door frame, 90 min · View PDF
- Full certification wall — reports, authorizations and listings · certifications
Observation windows and sidelights are engineered per opening within the certified glazing envelope; the submittal package states the exact certified combination for your door schedule.
Every quote ships with the matching test report, listing extract and hardware schedule. Request a project quote.

