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Acoustic glass partitions

An acoustic glass partition is a glass wall specified to meet a stated sound reduction figure, usually given as Rw in decibels, using acoustic laminated glass, sealed joints and attention to the ceiling, floor and door details. The glass is only one part; the junctions decide how well it works on site.

Guide price: £380 to £760 per m² of glazed wall, fitted, ex VAT, depending on the target dB figure.

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Acoustic glass partitions in a modern office (illustrative)
Illustrative image

Free survey for acoustic glass partitions

How do acoustic glass partitions work?

We start by agreeing what the room needs. A collaboration room next to a quiet area might need around Rw 35 dB; a boardroom or HR room usually needs 40 dB or more. That target sets the glass build-up, whether the wall is single or double glazed, and how the door is sealed.

Sound often travels round a wall rather than through it, over the top through a suspended ceiling void, under raised floors, or along lightweight bulkheads. We flag these flanking paths at survey and can include ceiling barriers or acoustic plenum seals in the quote.

When are acoustic glass partitions the right choice?

  • Boardrooms and confidential meeting rooms
  • Rooms next to call centres or breakout spaces
  • Medical, legal and financial offices
Glass boardroom with double glazed walls and a frameless double door (illustrative)
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Illustrative film: black-framed glass boardroom with an oak table

Specification

GlassAcoustic laminated glass, single or double glazed
Typical sound reductionRw 35 to 48 dB depending on build-up
SealsAcoustic joint seals, door perimeter and drop seals
JunctionsCeiling void barriers and floor details where needed
EvidenceTest data for the system and glass provided with the quote
Lead timeUsually 3 to 6 weeks from survey

Specifications are typical. We confirm glass, sizes and performance for your rooms on the drawings.

Often fitted together

Acoustic glass partitions: questions

What does Rw mean on a glass partition?

Rw is the weighted sound reduction index, a single laboratory figure in decibels that describes how much airborne sound a wall stops. Higher is better. Each 10 dB is heard as roughly halving the loudness.

What sound reduction do I need for a meeting room?

As a rough guide, around Rw 35 dB keeps normal speech from being understood next door; 40 to 45 dB suits confidential rooms. We help you set the figure for each room.

Why might a wall perform worse on site than in the test?

Laboratory figures are measured without the gaps, ceiling voids and doors found in a real office. Good junction detailing keeps the on-site result close to the test figure.

Is acoustic glass thicker?

Acoustic laminated glass has a special damping interlayer. It is often the same overall thickness as standard laminate but blocks more of the speech frequencies.

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Free survey, drawings to approve and a fixed written quote. Most rooms are fitted in one to three days.

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