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Acoustic Insulation and Soundproofing

According to Part E of the Building Regulations implemented by the government legislation in 2004 all newly build houses must be fitted with acoustic insulation to improve sound performance of wall partitions, separating floors, and ceilings.

Sound pollution is commonly recognised as a household issue in all types of building construction but unless special care is taken by the builder to provide sufficient acoustic insulation for the walls, floors and ceilings, the homeowner is likely to hear allot of unwanted sounds from footstep noise in the room above to movie playing on the home theatre down the hall.

Sound insulation is required to prevent noise (unwanted sound) being transmitted either from room to room within a building or from external sources. The transmission of noise within a building is by two main routes:

  • Airborne Noise – as the name suggests generally this is noise transmission through the air. It is complicated however in that this noise may generate vibrations in walls, floors and ceilings which then transmit the airborne sound to other parts of the building. The use of absorbent layers and/or the addition of mass to the structure will help reduce airborne noise transmission.
  • Impact Noise – the most common instance of impact noise is footsteps on floors in blocks of flats and similar buildings. The use of resilient and absorbent layers and/or the addition of mass to the structure will help reduce impact noise transmission.
  • buildings are also prone to flanking transmission where both airborne and impact sound energy may be transmitted indirectly through the structure (for example at the junctions of floors and walls). Great care in detailing and the isolation of elements is required to minimize flanking transmission.

Air gaps passing through the structure offer a direct route for sound transmission. Great care should be taken to seal joints between and around elements and around service penetrations. Sound-dampening acoustic batt insulation installed into partitions during construction is a very good choice for reducing sound pollution. It is highly recommended that the insulation fits snugly into place, and that it fills the wall cavity. Acoustic insulation should be carefully cut to fit around electrical boxes and pipes eliminating any gaps or holes that could easily allow sound to flow through.

Sound waves are reflected when they hit a hard surface. Acoustic insulation is made from porous materials of varying density and composition to convert the sound energy into heat within the open pores and absorb part of the reflected sound. In order to maintain the best absorption values the air channels should be open to the surface so that sound waves can propagate into the material. Pores in acoustic insulation should not be sealed by paint or any other coverings. Any protective shielding for the acoustic insulation should generally be perforated to maintain soundproofing values. Acoustic insulation should also be kept dry during storage to maintain its soundproofing capabilities.

Using mineral wool as a sound absorbent layer in partitions and floors significantly improves their acoustic performance, whilst only adding minimally to the overall mass of the structure. In partitions glass mineral wool complements the plasterboard by absorbing airborne sound in the cavity and reducing reverberation, It Is particularly effective at preventing the hollow sound that can occur in partitions with unfilled cavities.

The ability of an acoustic insulation material to absorb sound is usually provided in the form of an absorption coefficient. The absorption coefficient is defined as the ratio of sound energy absorbed by a given surface, to the sound energy incident upon that surface. The absorption coefficient can vary from 0 to 1. If for example the absorption coefficient is 0.9, then 90% of the sound energy will be absorbed by that material. Most porous absorbers are more efficient at high frequencies, while improving the materials thickness, or mass, can increase low frequency absorption.

Sound Transmission Class (STC) is a scale used to rate partitions like walls or floors on how well they reduce sound or noise levels. The rating directly reflects the number of decibels (dB) a partition reduces. Normal conversation is about 60 dB. A standard interior wall with 3/8" gypsum board has an STC of about 35. This means if someone were speaking at normal level in the next room, you would hear about 25 dB of noise, or just over a whisper.

Insulationshop.co offers wide range of acoustic insulation products from manufacturers: BRITISH GYPSUM, CMS DANSKIN, CELLECTA, EUROFORM, ISOMASS, ISOVER, JCW, KARMA, KNAUF, MARMOX, ROCKWOOL, SUPERGLASS, THERMAFLEECE, URSA and XTRATHERM are suitable for soundproofing all kinds of partitions. For more information about particular product please see product description.

CHOOSE MANUFACTURERS or scroll down to see products (show)

Brand: Cellecta Model and Size: 1m x 15m - 15m2
Delivery Time: 3 - 5 days
3mm Cellecta Rubberfon Ultratop Acoustic Roll is a made from recycled rubber and cork content and has excellent sound proofing and noise reduction acoustic performance. It has high compressive strength and is suitable for all floor finishes including ceramic tiles, vinyl, wood and laminate..
Brand: Isomass Model and Size: 1200mm x 900mm - 1.08m2
Delivery Time: 1 - 2 days
40mm Isocheck Absorba Ceiling and Wall Panels are designed to absorb sound and reduce reverberation noise. The tiles comprise a fibreglass core with a white speckled laminated coating. They also have reinforced bevel edges contributing to allowing unique wall and ceiling designs. They can be emulsio..
45mm Isocheck Shallow Batten 45 - 1800mm x 45mm x 45mm
Guide Price
Brand: Isomass Model and Size: 45mm x 45mm
Delivery Time: 3 - 5 days
45mm x 45mm Econocheck Shallow Batten 45 is part of a suspended concrete floor system, designed for reducing sound transmission and improving acoustic performance of level concrete floors. Isocheck Shallow Batten consists of a layer of 10mm ACF (Acoustic Chip Foam) bonded to a FSC-cer..
Brand: MGC Model and Size: 1000x12500 - 12.5m2
Delivery Time: 2 - 3 working days
4mm Sempafloor is made from a natural latex, with a non-woven polyester surface which provides an ideal finish for the application of all types of floor covering including carpet vinyl, wood panel and tiles. Sempafloor is flexible and provides excellent indentation recovery which allows it to be use..
£299.00
£358.80 inc VAT
Brand: Cellecta Model and Size: 50mm
Delivery Time: 3 - 5 days
50mm Cellecta AH50  is a high performance acoustic ceiling hanger, manufactured from high gauge galvanised steel and incorporate a resilient rubber grommet and integral washer. Cellecta AH50 can be used in conjunction with an MF ceiling system or fixed to timber joist to of a suspended cei..
50mm JCW Noise Stopper Pad - 600mm x 600mm 50mm JCW Noise Stopper Pad - 600mm x 600mm
Guide Price
Brand: JCW Model and Size: 600x600mm - 0.36m2
Delivery Time: 3 - 5 days
50mm JCW Noise Stopper Pad is an aluminium non-flammable foil covered pad with 2 layers of non-flammable sound absorbing acoustic mineral wool with a mineral loaded sound barrier mat core layer. This sound blocking pad designed to be laid on top of suspended ceiling grid tiles in offices and rooms. ..
Guide Price: £9.40
£11.28 inc VAT
Brand: CMS Danskin Acoustics Model and Size: 50mm - 15m roll
Delivery Time: 3 - 5 days
50mm Regupol Acoustic Isolating Strips are designed to isolate noise and vibrations at source, a very simple and effective way to reduce structure borne noise. 15m rolls.CHARACTERISTICSA rubber crumb productCapable of withstanding loads up to and including 0.8N/mm2 with low frequency performance ach..
Guide Price: £17.43
£20.92 inc VAT
Brand: CMS Danskin Acoustics Model and Size: 50mm - 1m length
Delivery Time: 3 - 5 days
50mm Regupol Acoustic Isolating Strips are designed to isolate noise and vibrations at source, a very simple and effective way to reduce structure borne noise. 1m lengths.CHARACTERISTICSA rubber crumb productCapable of withstanding loads up to and including 0.8N/mm2 with low frequency performance ac..
50mm Rockwool Rockton Insulation Slab - 1000mm x 610mm (pack of 12)
Guide Price
Brand: Rockwool Model and Size: 1000mm x 610mm - 7.32m2
Delivery Time: 1 - 2 days
50mm Rockwool Rocton Slabs are a reliable and durable non-flammable insulation solution for universal use. These high density slabs can be used in partition walls, curtain walls, within steel and timber frame structures, over ceilings and between floor joists. Rockwool Rocton has the highest so..
5mm Acuphon PhonoLay  - Acoustic Foam Underlay - 48m x 1.2m
Guide Price
Brand: Acuphon Model and Size: 48m x 1.2m - 57.6m2
Delivery Time: 2 - 3 working days
5mm Acuphon PhonoLay is a high performance versatile, impact-noise reducing inert cross linked closed cell polyethylene foam membrane designed to be used in many applications. Acuphon PhonoLay is ideal for isolating all types of floating screeds, or to be used as a decoupling layer underneath h..
Brand: Cellecta Model and Size: 5mm x 200mm - 33.33m
Delivery Time: 3 - 5 days
5mm Cellecta Rubberfon Edge Strip is a Perimeter Flanking Isolation, a composite polyethylene self-adhesive strip with Surebond facing perforations. It used with Screedboard 28 and 30.CHARACTRISTICSExcellent acoustic performance,Very quick and easy installation,Suits for 40-75mm thick screeds.APPLIC..
Brand: CMS Danskin Acoustics Model and Size: 1150x2250mm - 2.59m2
Delivery Time: 3 - 5 days
Regupol 7210C (Sonus Core) Acoustic Resilient Layer is designed to isolate screeds from the main structure of the building reducing impact energy generated by general footfall. It is a cost effective rubber-bound product, manufactured from recycled materials, quick and easy to install. Regupol 7210C..
Guide Price: £22.56
£27.07 inc VAT
Brand: MGC Model and Size: 1000x12500 - 12.5m2
Delivery Time: 2 - 3 working days
5mm Sempatap is made from a natural latex with a durable woven fibre-glass face. It is in an open and closed cellular construction, which allows the substrate to breathe. Sempatap wallpaper rolls are 1 metre wide and 12.5 metres long. The adhesive is water-based, therefore there are no nasty smells ..
£299.00
£358.80 inc VAT
Brand: Cellecta Model and Size: 5mm x 15mm - 50m
Delivery Time: 3 - 5 days
5mm x 15mm Cellecta Yelofon ES5 Edge Strip is a Perimeter Flanking Isolation, a non cross linked, closed cell polyethylene strip to eliminate perimeter flanking transmission. For use with Screedboard 28 and 30.CHARACTRISTICSExcellent acoustic performance,Very quick and easy installation.APPLICATIONC..
6.5mm Isocheck Impact Mat 100 -  Acoustic Underlay
Guide Price
Brand: Isomass Model and Size: 1.37x11m - 15m2
Delivery Time: 2 - 3 working days
6.5mm Isocheck Impact Mat 100 is made from recycled rubber and designed to reduce sound transmission through timber floors and staircases. It has give an excellent impact improvement and has dynamic stiffness - structural memory. It is ideal for floor upgrades to improve sound reduction on stairs an..
Brand: Isomass Model and Size: 1m x 15m - 15m2
Delivery Time: 3 - 5 days
6mm Isocheck ResiScreed 6 is an under screed mat made from rubber crumb bonded to a DPM fibreglass backing to reduce the impact sound transmission through concrete floors. It is designed to be placed directly beneath the screed to isolate the screed from the structural sub floor. CHARACTER..
6mm Isocheck Resmat 6 - Acoustic Under Board Mat for Concrete and Timber floors - 1.37m x 10.95m 6mm Isocheck Resmat 6 - Acoustic Under Board Mat for Concrete and Timber floors - 1.37m x 10.95m
Guide Price
Brand: Isomass Model and Size: 1.37m x 10.95m - 15m2
Delivery Time: 3 - 5 days
6mm Isocheck Resmat 6 is a recycled eco friendly under board mat made from rubber crumb to reduce sound transmission through timber and concrete floors. It can support chipboard, OSB, MDF or Plywood floors. It enables a timber floor to meet the sound transmission regulations of Approved Document E 2..
6mm RCM Multipurpose - Cellulose Fibre Cement Board
Guide Price
Brand: RCM Model and Size: 2400x1200mm - 2.88m2
Delivery Time: 1 - 2 days
6mm RCM Multipurpose is an A1 non-combustible, high strength versatile cellulose fibre cement building board that has excellent weathering and acoustic properties. It can be used in flooring and roofing applications and as a tile backer board. RCM Multipurpose has one smooth face and one textur..
Guide Price: £25.92
£31.10 inc VAT
6mm RCM Y-Wall - Calcium Silicate Cement Building Board - 2400 x 1200mm
Guide Price
Brand: RCM Model and Size: 2400x1200mm - 2.88m2
Delivery Time: 3 - 5 days
6mm RCM Y-Wall is a fire rated high performance calcium silicate cement building board used primarily as an external sheathing board on both metal and timber frame structures. This rigid RCM Y-WALL board offers great strength and stability with the workability of wood. It can be cut, drilled an..
6mm x 15mm Cellecta YELOfon FS15 Flanking Strip - 2m length
Guide Price
Brand: Cellecta Model and Size: 15mm x 30mm - 2.0m
Delivery Time: 3 - 5 days
6mm x 15mm YELOfon FS15 Flanking Strip is a 2m long non cross linked, closed cell polyethylene strip to eliminate perimeter flanking transmission.The acoustic efficiency of the floor will be adversely affected should acoustic bridging between the floating layer and the surrounding structures occur (..
70mm Karma TNF70 Fire Retardant Slab
Guide Price
Brand: CMS Danskin Acoustics Model and Size: 1200x600mm - 0.72m2
Delivery Time: 1 - 2 days
70mm Karma TNF70 is a very high-density stone-fibre slab used in conjunction with Karma Masspanel in a floor build-up, and to upgrade the fire resistance of timber floors to 90 minutes fire integrity and insulation. This panel is used where a ceiling cannot be disturbed or where access is not possib..
7mm Isocheck Isomat 7 - Acoustic Under Board Mat for Timber floors - 1200mm x 1000mm 7mm Isocheck Isomat 7 - Acoustic Under Board Mat for Timber floors - 1200mm x 1000mm
Guide Price
Brand: Isomass Model and Size: 1.2m x 1m - 1.2m2
Delivery Time: 3 - 5 days
7mm Isocheck Isomat 7 is a 6mm layer of Isofiba bonded to performance enhancing barrier membrane to reduce sound transmission through timber floors. It can support chipboard, OSB, MDF or Plywood floors. It enables a timber floor to meet the sound transmission regulations of Approved Document E ..
Brand: Cellecta Model and Size: 600x1200mm - 0.72m2
Delivery Time: 3 - 5 days
Cellecta Fibrefon 8  is an 8mm thick acoustic recycled polyester fleece underlay insulation for any type floor, giving substantial acoustic characteristics. This resilient layer ensures that Cellecta Screedboard 20 covered underfloor heating complies with acoustic performance standards.APPLICAT..
Guide Price: £8.50
£10.20 inc VAT
Brand: Isomass Model and Size: 1m x 15m - 15m2
Delivery Time: 3 - 5 days
8mm Isocheck ResiScreed 8 is an under screed mat made from rubber crumb bonded to a DPM fibreglass backing to reduce the impact sound transmission through concrete floors. It is designed to be placed directly beneath the screed to isolate the screed from the structural sub floor. CHARACTER..
8mm RCM Cemboard - Cement Bonded Particle Board
Guide Price
Brand: RCM Model and Size: 2400x1200mm - 2.88m2
Delivery Time: 1 - 2 days
8mm RCM Cemboard is a medium density high performance cement bonded particle building board used primarily as an external sheathing or acoustic building board on both metal and timber frame structures. This rigid Cemboard offers great strength and stability with the workability of wood. RCM Cem..
Brand: CMS Danskin Acoustics Model and Size: 1.15m x 13m - 14.95m2
Delivery Time: 3 - 5 days
Regupol E48 is a high performance recycled tyre crumb acoustic flooring material used for under screed. It is designed to isolate screeds from the main structure of the building reducing the impact energy generated by general footfall. Regupol E48 acoustic flooring material is used under all types o..
Guide Price: £258.36
£310.03 inc VAT
Brand: Knauf Model and Size: 4.5m x 1.4m - 123.2m2
Delivery Time: 2 - 3 weeks
90mm Knauf Earthwool FrameTherm Roll is a lightweight, flexible, resilient and non-combustible glass mineral wool quilt, used for friction fitting between timber studs and rafters. The rolls are 1140mm wide and ready cut to produce 3 rolls in 380mm widths. It is specifically designed for friction fi..
Brand: Acuphon Model and Size: 1200mm x 1200mm - 1.44m2
Delivery Time: 2 - 3 working days
9mm Acuphon PhonoMat 7 Slimline is a high performance impact noise soundproofing underlay mat ideal for concrete floor applications, where airborne noise is not an issue. The mat consists of heavy vinyl layer with a cross-linked foam impact layer. It can be installed as easily as any convention..
Brand: Isomass Model and Size: 1.2m x 50m - 60m2
Delivery Time: 1 - 2 days
9mm Isocheck Screedcheck Underscreed XL9 system is designed to be placed directly below the screed within a masonry structural floor to isolate the screed from the structural sub floor, and provides sufficient impact absorption. The Isocheck Underscreed XL9 system features a 9mm close..
9mm KarmaFloor Soundlay Acoustic Overlay
Guide Price
Brand: CMS Danskin Acoustics Model and Size: 1200x1000mm - 1.2m2
Delivery Time: 1 - 2 days
9mm KarmaFloor Soundlay Acoustic Overlay is a specially designed floor noise barrier with two composite layers - CMS WB7.5 acoustic barrier and Class 0 6mm CMS acoustic foam, offering not only superb acoustic performance but also uniform density throughout the entire surface of the material. It has ..
Guide Price: £25.41
£30.49 inc VAT
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