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Interior systems

Bulkheads

A bulkhead is a boxed-in section that drops below a ceiling or hides ductwork and pipes. HSM builds them with its own crew so they fit the services behind them.

Bulkheads

Why bulkheads are used

Bulkheads and soffits do several jobs. They conceal ducts, piping and conduit that cannot be hidden above a ceiling. They define zones in open rooms, house lighting coves or blinds, and create a clean edge where ceiling heights change.

Some are simple drywall boxes painted to match the ceiling. Others are curved, stepped or built to hold LED lighting, curtain tracks or signage. Design intent affects framing, support and finish, so we like to see the reflected ceiling plan early.

Built around the services

A bulkhead only works if the ductwork, piping and lighting inside it fit. Our mechanical crew installs the ducts and pipes, our electricians install lighting and wiring, and our interior team frames the box around them. All three groups are on the same schedule, so there is little chance of discovering a clash after the board is up.

Access is the other half. Valves, dampers and junction boxes inside a bulkhead need to be reachable. We plan access panels in the framing so maintenance staff do not have to cut into new work later.

  • Drywall bulkheads and soffits, straight or curved
  • Lighting coves and integrated LED strips
  • Bulkheads that conceal ducts, pipes and conduit
  • Access panels and removable sections
BulkheadsPHASE 1Site and leasePHASE 2Design and engineeringPHASE 3BuildPHASE 4OperateBUILD: TRADES ON THE PROJECTElectricalMechanical / HVACPlumbingLow voltage / securityInterior systemsCarpentry / millworkPainting / finishesDoors / hardwareSELF-PERFORMED BY HSM CREWS ON THIS TYPE OF WORK
Where this work sits in an HSM project. Highlighted: the crew that does it, on our payroll.

What to plan for

Bulkheads take up real space. A box that hides a large duct may drop lower than the architect expects, which affects door clearances and sightlines. A site measurement early in the project catches that.

If a bulkhead sits on a fire-rated or acoustic wall, the top and bottom connections need to meet the rating. We check this against the design.

Finally, think about finish. Bulkheads often catch raking light from lighting coves, so joints and corners need a careful finish, and our drywall and painting crews work together to get that edge crisp.

Start a project

Talk to us before you sign the lease.

One contract, our own electricians and mechanical crews, and a space that is ready on handover.