INT/Drylining/TBT-INT-016

Acoustic Partition Installation

Interior & Finishing Trades › Drylining › Acoustic Partition Installation

Presenter		Project
Location		Date

Acoustic partitions provide sound insulation between rooms using specialist stud systems and dense board layers.
Multiple layers of plasterboard, acoustic membranes, and mineral wool create significant manual handling loads.
Acoustic partitions must be sealed completely — any gap or penetration reduces their sound insulation performance.
Cutting plasterboard and mineral wool generates dust and MMMF fibres requiring RPE and dust control.
Acoustic mastic and sealants may contain solvents requiring ventilation and COSHH assessment.
Head-of-wall details and perimeter sealing require work at height using stepladders or podium steps.
Power tools for fixing including screw guns, track cutters, and saws create noise and vibration hazards.
Fire-rated acoustic partitions must maintain both acoustic and fire performance — penetrations need fire stopping.
Plasterboard sheets can weigh over 30 kg each, requiring team lifts or mechanical handling for upper boards.
Correct installation sequence is critical — structure, insulation, membrane, boarding, and sealing in that order.

Manual handling injuries	Heavy multi-layer board systems cause back, shoulder, and hand injuries without mechanical aids and team lifts.
Dust and fibre exposure	Cutting board and mineral wool releases harmful dust and fibres requiring RPE and extraction controls.
Quality performance	Any gap in the acoustic envelope destroys the partition's sound insulation — careful sealing is essential.

Don't

Use board lifters or team lifts when installing plasterboard sheets above waist height
Wear RPE when cutting plasterboard and mineral wool insulation to control dust and fibres
Seal all perimeter joints, service penetrations, and head-of-wall details with acoustic mastic
Follow the specified installation sequence for the acoustic partition system being used
Use stepladders or podium steps safely for work at the head of wall and ceiling junction
Check the COSHH assessment for acoustic sealants and mastics before application
Ensure ventilation is adequate when using solvent-based acoustic sealants in enclosed rooms
Fire stop all penetrations through fire-rated acoustic partitions using approved methods
Inspect delivered boards for damage and reject any sheets with broken edges or cores
Wear hearing protection when using power screw guns and board cutting equipment

DON'T manually lift heavy acoustic boards alone — use team lifts or mechanical aids
DON'T cut plasterboard or mineral wool without RPE to protect against dust and fibres
DON'T leave gaps in the acoustic seal — even small holes significantly reduce performance
DON'T use standard plasterboard where the specification requires acoustic-grade boards
DON'T skip fire stopping on penetrations through fire-rated acoustic partition systems
DON'T apply solvent-based sealants in enclosed rooms without adequate ventilation running
DON'T stack heavy board packs on floors without checking the floor's load-bearing capacity
DON'T install boards out of the specified sequence — the acoustic performance depends on it
DON'T use damaged boards with broken edges that will compromise the sealed partition system
DON'T ignore back or shoulder discomfort from repetitive overhead boarding work

See also: Drylining Safety Awareness | Plasterboard Handling and Fixing

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