Acoustic Properties of Kingspan Insulation

What are Acoustics in Insulation?

Acoustics is a scientific term concerning the properties of sound. Insulation can be useful in controlling the movement of sound in buildings.

Below are two factors that need to be considered when dealing with building acoustics for particular elements:
  • Rain impact noise, measured in area-weighted sound intensity level LIA (dB), concerns the amount of direct impact sound transmitted from pouring rain falling onto the outside of a roof to the inside of a building. The lower the value, the better.
  • Airborne sound transmission, measured in area-weighted sound reduction index Rw (dB), concerns the amount of direct sound transmitted from one room or building to another, or from outside to inside, via roofs, floors and walls. The higher the value, the better.

What are the Acoustic Properties of Kingspan Insulation?

The acoustic performance of our products should be assessed within a specific build-up, rather than solely on the insulation board. We have tested a wide range of acoustic solutions and we can also carry out guideline project specific calculations, on request.

We’ve had a series of acoustic tests completed showing great results for rain impact noise with steel and timber deck flat roofs insulated with Kingspan Thermaroof products and Kingspan OPTIM-R vacuum insulation panelss. A test result of 27.5 LIA (dB) was achieved for a green roof build-up insulated with 100 mm Thermaroof TR26/TR27 LPC/FM. An assessed test result of 41.6 LIA (dB) was achieved for a metal deck flat roof build-up insulated with 100 mm Thermaroof TR27 LPC/FM.
 
Acoustic tests were also completed for airborne sound transmission with steel and timber deck flat roofs insulated with Thermaroof products and OPTIM-R vacuum insulation panels, and also steel frame walls insulated with Kingspan Kooltherm products. A test result of 47 Rw (dB) was achieved for a metal deck flat roof build-up insulated with 150 mm Thermaroof TR26 LPC/FM. An assessed test result of 51 Rw (dB) was achieved for a metal deck flat roof build-up insulated with 60 mm Thermaroof TR26 LPC/FM. A test result of 62 Rw (dB) was achieved for a steel frame wall build-up insulated with 60 mm Kooltherm K15 Rainscreen Board.

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