Acoustic Insulation and Soundproofing


Acoustic Insulation
- sound shield rolls
- acoustic slabs
- acoustic floor insulation
- acoustic wall insulation

KARMA, KNAUF, ROCKWOOL, URSA

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: URSA and KNAUF suitable for soundproofing all kinds of partitions. For more information about particular product please see product description.

Acoustic Insulation
- sound shield rolls
- acoustic slabs
- acoustic floor insulation
- acoustic wall insulation

KARMA, KNAUF, ROCKWOOL, URSA



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Resilient Bar Speedline – Metal RB565

Resilient Bar Speedline – Metal RB565

3m - metal  Delivery Time: 1 - 2 days

£4.08 (£4.90 inc VAT)

Resilient Bar Speedline – Metal RB565 Length: 3m  Depth: 17mm Weight per length: 1.05kg Code: RB565   Resilient Bar is a thin metal channel designed to substantially improve the sound insulation of plasterboard walls and ceilings. The channel effectivel..

£4.08 (£4.90 inc VAT)

12.5mm Soundshield Plasterboard - Wall Board Knauf

12.5mm Soundshield Plasterboard - Wall Board Knauf

1200x2400 - 2.88m2  Delivery Time: 1 - 2 days

£9.28 (£11.14 inc VAT)

£3.22/m2 (£3.86/m2 inc VAT)

12.5mm Soundshield Plasterboard - Wall Board Knauf Length: 2400mm Width: 1200mm Weight: 10kg/m2 Thermal Conductivity: 0.24 W/mK EN Classification: EN520 Type A & D Edge Profile: Tapered edge.   Knauf Soundshield is a plasterboard designed for use in a..

£9.28 (£11.14 inc VAT)

£3.22/m2 (£3.86/m2 inc VAT)

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25mm Earthwool RS45 Universal Insulation Slab Knauf (pack of 20)

25mm Earthwool RS45 Universal Insulation Slab Knauf (pack of 20)

1200x600 - 14.4m2  Delivery Time: 2 - 3 days

Guide Price: £28.50 (£34.20 inc VAT)

£1.98/m2 (£2.38/m2 inc VAT)

25mm Earthwool RS45 Universal Insulation Slab (Pack of 20) Slab size: 1200mm x 600mm Area per pack: 14.4m² Thermal conductivity: 0.035 W/mK R-Value: 0.70 m2K/W Density: 45 kg/m3 Surface Spread of Flame: Class 1   Earthwool RS45 Universal Slabs a..

Guide Price: £28.50 (£34.20 inc VAT)

£1.98/m2 (£2.38/m2 inc VAT)

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50mm Earthwool RS60 Universal Insulation Slab Knauf (pack of 9)

50mm Earthwool RS60 Universal Insulation Slab Knauf (pack of 9)

1200x600 - 6.48m2  Delivery Time: 1 - 2 days

Guide Price: £28.50 (£34.20 inc VAT)

£4.40/m2 (£5.28/m2 inc VAT)

50mm Earthwool RS60 Universal Insulation Slab Knauf (Pack of 9) Slab size: 1200x600 - 6.48m² Thermal conductivity: 0.035 W/mK R-Value: 1.40 m²K/W Density: 60 kg/m3 Surface Spread of Flame: Class 1   Earthwool RS60 Universal Slabs are unfaced, rock mineral wool sla..

Guide Price: £28.50 (£34.20 inc VAT)

£4.40/m2 (£5.28/m2 inc VAT)

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50mm Earthwool Flexible Insulation Slab Knauf (pack of 12)

50mm Earthwool Flexible Insulation Slab Knauf (pack of 12)

1200x600 - 8.64m²  Delivery Time: 2 - 3 days

£33.18 (£39.82 inc VAT)

£3.84/m2 (£4.61/m2 inc VAT)

50mm Earthwool Flexible Insulation Slab Knauf (pack of 12) Slab size: 1200mm x 600mm Area per pack: 8.64m² Thermal conductivity: 0.037 W/mK R-Value: 1.35 m2K/W Density: 45 kg/m²   Earthwool Flexible is a non-combustible, inorganic rock mineral wool slab, used for ..

£33.18 (£39.82 inc VAT)

£3.84/m2 (£4.61/m2 inc VAT)

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25mm URSA Acoustic Insulation Roll

25mm URSA Acoustic Insulation Roll

25mm - 21.6m2  Delivery Time: 1 - 2 days

Guide Price: £29.24 (£35.09 inc VAT)

£1.35/m2 (£1.62/m2 inc VAT)

25mm URSA  Acoustic Insulation Roll Width: 2x 600mm Area per roll: 21.6m2 Thermal conductivity: 0.035 W/mK R-Value: 0.71 m2K/W Density: 22 kg/m3 Heat capacity: 0.84 kJ/kg Reaction to Fire: Euroclass A1 to BS EN 13501-1   URSA Acoustic Roll is a l..

Guide Price: £29.24 (£35.09 inc VAT)

£1.35/m2 (£1.62/m2 inc VAT)

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50mm Rockwool RWA45 Slab (Prorox SL920) - pack of 9

50mm Rockwool RWA45 Slab (Prorox SL920) - pack of 9

RWA45 50mm - 6.48m2  Delivery Time: 1 - 2 days

£18.51 (£22.21 inc VAT)

£2.86/m2 (£3.43/m2 inc VAT)

50mm Rockwool RWA45 (Prorox SL920) - pack of 9 Slab size: 1200x600 - 6.48m² Thermal conductivity: 0.040 W/mK R-Value: 1.25 m²K/W Density: 45 kg/m³ Service temperature: up to 230°C   50mm Rockwool RWA45 is a high quality resin bonded Flexible Slabs for a wide ..

£18.51 (£22.21 inc VAT)

£2.86/m2 (£3.43/m2 inc VAT)

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23mm KarmaFloor Acoustic Overlay Floor Chipboard

23mm KarmaFloor Acoustic Overlay Floor Chipboard

23mm - 600 x 2400 (1.44m2)  Delivery Time: 3 - 5 days

Guide Price: £19.20 (£23.04 inc VAT)

£13.33/m2 (£16.00/m2 inc VAT)

23mm KarmaFloor Acoustic Overlay Chipboard Board Size: 2400mm x 600mm(1.44m2)   KarmaFloor Acoustic Overlay Chipboard is designed to reduce impact sound through floors using a heavy material isolated by a softer resilient layer. The board consists of a 5 mm closed cell, cros..

Guide Price: £19.20 (£23.04 inc VAT)

£13.33/m2 (£16.00/m2 inc VAT)

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10mm Regupol 6010 SH High-Load Bearing Acoustic Screed Isolation Roll

10mm Regupol 6010 SH High-Load Bearing Acoustic Screed Isolation Roll

1.25m x 10m (12.50m2)  Delivery Time: 1 - 2 days

10mm Regupol 6010 SH High-Load Bearing Acoustic Screed Isolation RollRoll width: 1250mmRoll length: 10mArea per roll: 12.5 m²Density: 595 kg/m3Thermal conductivity: 0.14 W/mKR-Value: 7.21 m²K/WTensile strength: 0.4 N/mm²Impact sound insulation: 30dBMaximum load bearing capacity: 10000 kg/m210mm..

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17mm Regupol 6010BA High-Load Bearing Acoustic Screed Underlay Roll

17mm Regupol 6010BA High-Load Bearing Acoustic Screed Underlay Roll

1.25m x 10m (12.50m2)  Delivery Time: 1 - 2 days

17mm Regupol 6010BA High-Load Bearing Acoustic Screed Underlay RollRoll width: 1250mmRoll length: 10mArea per roll: 12.5 m²Density: 590 kg/m3Thermal conductivity: 0.14 W/mKR-Value: 0.12 m²K/WTensile strength: 0.3 N/mm²Impact sound insulation: 42dBMaximum load bearing capacity: 5000 kg/m217mm Regupol..

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25mm Xtratherm XtroLiner XO/PR Pitched Roof PIR Insulation Board - Pack of 12

25mm Xtratherm XtroLiner XO/PR Pitched Roof PIR Insulation Board - Pack of 12

1200x2400mm - 34.56m2  Delivery Time: 2 - 4 days

25mm Xtratherm XtroLiner XO/PR Pitched Roof PIR Insulation Board - Pack of 12 Board size: 1200x2400mmPack area: 34.56m2Water Vapour Resistivity: >100 MNs/gmR-value: 1.19 W/m2K Thermal conductivity: 0.021W/mKCompressive Strength: 150kPaFire rating: Class ‘O’ 25mm XtroL..

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3mm Regupol 4515 Eco Soundproof Underlay Roll

3mm Regupol 4515 Eco Soundproof Underlay Roll

1.15m x 20m (23.00m2)  Delivery Time: 1 - 2 days

3mm Regupol 4515 Eco Soundproof Underlay RollRoll width: 1150mmRoll length: 20mArea per roll: 23.00 m²Density: 470 kg/m3Thermal conductivity: 0.085 W/mKR-Value: 0.04 m²K/WTensile strength: 0.6 N/mm²Impact sound insulation: 17dBBuilding class: B23mm Regupol 4515 Eco soundproof underlay roll is a gene..

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3mm Regupol 4515 Multi Acoustic Underlay Roll

3mm Regupol 4515 Multi Acoustic Underlay Roll

1m x 18m (18.00m2)  Delivery Time: 1 - 2 days

3mm Regupol 4515 Multi Acoustic Underlay Roll   Roll width: 1000mmRoll length: 18000mmArea per roll: 18.00 m²Density: 420 kg/m3Thermal conductivity: 0.049 W/mKR-Value: 0.06 m²K/WTensile strength: 0.4 N/mm²Impact sound insulation: 18dBBuilding class: B23mm Regupol 4515 Multi is a tough..

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75mm Xtratherm Thin-R Hyfloor XT/HYF Under Floor PIR Insulation Board - Pack of 4

75mm Xtratherm Thin-R Hyfloor XT/HYF Under Floor PIR Insulation Board - Pack of 4

1200x2400mm - 11.52m2  Delivery Time: 1 - 2 days

75mm Xtratherm Thin-R Hyfloor XT/HYF Under Floor PIR Insulation Board - Pack of 4Board size: 1200x2400mmPack area: 11.52m2Water Vapour Resistivity: >100 MNs/gmR-value: 3.41 W/m2KThermal conductivity: 0.022W/mKCompressive Strength: 140kPaFire rating: Class 175mm&..

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CMS Bond 100 High Performance Acoustic Sealant

CMS Bond 100 High Performance Acoustic Sealant

CMS Bond 100  Delivery Time: 1 - 2 days

CMS Bond 100 High Performance Acoustic SealantColour: Off whiteConsistency: Trowelable MasticWeight: 15 kgCoverage: 3m2/kg depending on the porosity of the substrate and thickness of the adhesive filmOpen Time: 15 minutes plus depending on site conditions: Temp, humid & surfaces t..

other thicknesses
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