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ACOUSTIC CONSULTANTS - SOUND AND NOISE MEASUREMENT TESTING AND REPORTING

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This step by step photo diary explains in detail how Acoustifire address airborne noise between neighbouring houses.

Sound Proofing

Step 1: Acoustifire can measure the sound insulation in separating walls and floors between homes. This identifies if the property complies with the levels of sound insulation "legally" required by the 1997 Building Regulations.

Acoustifire carry out testing to BS EN ISO 140 & report results to BS EN ISO 717, these are the accepted standards for measurement of this type. All testing is carried out, analysed and signed off by a Qualified Senior Acoustic Consultant.

Sound Testing
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Step 2: is to identify and resolve issues in the party walls which are contributing to the noise problem. Walls which typically fail to meet the required standard are plaster dab finish party walls. The plasterboard is secured to the masonry at the &qu

Acoustifire have removed the plaster dabs exposing the masonry block. In addition the holes in the masonry have been filled in.

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Step 3: involves identifying and repairing another source of noise problems i.e gaps in mortar joints between masonry blocks. Here was see an example of some very poorly finished mortar joints.

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Another example of a mortar joint which allows sound to carry and needs repair.

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Step 4: Acoustifire will insert a floating wall to block sound from the neighbour's house. This involves first installing proprietary acoustics battens at the party wall.

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Flanking strip (also called perimeter isolation strip) is then fitted around the entire perimeter of the party wall. This is the grey strip at the base of the wall.

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Step 5: Acoustifire fit a very effective, specialist sound insulation material (in this case 23Kg/M2 Rockwool Rollbatt Insulator) between the battens.

A fully insulated party wall which is ready for plasterboard installation.

Step 6: A double layer of specialist fire-rated plasterboard is fitted. The plasterboard layers are staggered for additional sound insulation.

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Plasterboard fitted on complete wall.

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Step 7: The plasterboard joints are filled and taped left ready for light sanding and redecoration by others.

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The joints between the plasterboards are filled and taped. The wall is ready for redecoration and fitting of skirting.

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