Wide openings get the symmetrical wood answer: two identical leaves, overhead closers for code-compliant self-closing, a center-seam lock that keeps the meeting stiles clean. Certified double-leaf families across all three grades.
Specifications
| Configuration | Double-leaf, equal swing · overhead closers · center-seam locking |
|---|---|
| Fire performance | 0.5 / 1.0 / 1.5 h — GB 12955-2008 certified pair (double-leaf) families |
| Class B (1.0 h) pairs | MFM-1823 / 1523 / 1223-d5 — Z2018081806009546 · MFM-2123-bd5 / d5 — Z2017081806000741 · CQM pair certificate MFM-2126-d5 covering MFM-1824 / 1522 / 1221 (CQM22335301010537, to 2027-06-15) |
| Class A (1.5 h) pairs | MFM-1823 / 1523 / 1223-d5 — Z2018081806009537 |
| Class C (0.5 h) pairs | MFM-1523-d5 — Z2017081806000743 · MFM-1523 / 1223 / 0923 / 1520 / 1220-dk5 — Z2018081806009541 |
| North-American program | Current Intertek listings cover single-leaf wood constructions — singles to 1100 × 2400 mm (Listing 92609), frames to 1106 × 2410 mm (ATM 91994). Double units ship under the GB certificate program. |
| Frame & glazing | Wood composite frame, jamb depth ≥ 120 mm, stop 18 mm · glazed units within the 330 × 330 mm certified envelope (Listing 92609) |
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
- 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.

