Fire Division Panel · Ship Structure & Outfitting
The LOLAMAT Wall W25 LF B15 is a KAEFER Schiffsausbau GmbH marine bulkhead system intended to form a B-15 class interior division when installed as approved. It is used inside accommodation and service areas rather than as a structural hull bulkhead. The system combines lightweight interior panels, supporting structure and approved joints or edge details so that the complete assembly provides the required fire-separation performance. Its function differs from an A-class bulkhead because the B-class division is an interior fire boundary with a different approved construction and fire-resistance role. Doors, penetrations, cable transits and interfaces with ceilings or decks must preserve the certified arrangement. Cosmetic wall finishes do not replace the need for the underlying panel and joint construction to remain intact. Any dimensional or material variation from the approved W25 LF B15 system should be checked against the KAEFER approval documentation before repair or alteration.
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What our service work and the manufacturer documentation say about keeping this model running.
Inspect the bulkhead as part of accommodation and passive-fire-protection rounds, focusing on joints, edges, penetrations, impact damage and signs of moisture. Verify that later cable and pipe work has been properly fire-stopped and documented. Doors or hatches installed in the division should retain their own required rating and closing function. Repairs should reproduce the approved KAEFER construction rather than merely restore appearance. Panel composition, fixing pattern, joint detail and permitted repair dimensions must be taken from the approval and manufacturer documentation for the exact system.
| Fire division visual inspection | typically at each annual survey |
|---|---|
| Penetration/fire-stop seal check after hot work or refit | each time the division is affected |
Typical intervals for this design class, not the manufacturer’s figures for your model. The manufacturer’s manual is binding.
B-class divisions are checked at survey for physical integrity, correct penetration sealing, and that no unauthorized modifications have compromised the certified fire rating; repairs or alterations typically require materials with matching or better class type approval to preserve the division's certificate.
Useful onboard or refit stock includes correctly identified replacement panels, approved trims, joint materials, fasteners and compatible fire-stopping products used with the certified bulkhead arrangement. Keep small quantities of matching decorative finish where appearance matters, but do not use decorative laminate as a substitute for a damaged structural panel. Documentation linking spare material to the approved B-15 system should be retained with the stock.
Listed in the DNV Approval Finder at the time we recorded it. The certificate is issued by DNV, not by us; check its current status at DNV.
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