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Knauf: Polyfoam Floorfoam

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Polyfoam Floorfoam

Free Pre Completion Test
We are offering a FREE PCT (Pre Completion Test) with every order over 100 L.M (Linear Metre) of
Polyfoam FloorFoam 5 or Polyfoam FloorFoam 10.
Below you will find information on specific products within our range. To ensure that you purchase the correct products to suit your requirements we recommend that, you contact one of our qualified customer focused advisors, who will be only too pleased to help. Please call 08451 306 269 or email us for a quote or advice.
Polyfoam Floorfoam - Resilient Separating Layer example construction

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Concrete Planks key

Product data
Thickness (mm) Width (mm) Length (m) Pieces per pack Area per pack (m2)
Polyfoam Floorfoam
5 1225 92 1 112.5
10 1225 51 1 62.5
12.5 1225 41 1 50.0
Floorfoam Easy Edge Strip
10 40x65x45 25 8 30.0
Regulatory requirements

As part of an overall strategy to improve quality of life, the Government updated the Building Regulations for England and Wales in 2004 related to acoustic performance in domestic properties, commonly referred to as Part E.

What does Part E require?

Separating floors now have to be constructed to achieve the sound insulation values as detailed in the tables on this page.

What methods of compliance are there?

Pre-Completion Testing (PCT) - This method of compliance requires the contractor to test 1 in10 properties. Tests must be carried out by an accredited acoustic engineer and the structure must achieve the minimum acoustic standards detailed in the tables on this page.

Robust details - This method eliminates the need for Pre-Completion Testing (PCT). Contractors can select from a number of approved robust construction details. Each property built using a robust detail must be registered with Robust Details Limited for a fee. Performance monitoring is carried out on a random basis.

Scotland - Where a 'deemed to satisfy' specified construction is used, no site testing is required. Site testing is required where non specified constructions are used or at the instruction of the local verifier. Robust details are not applicable in Scotland.

Description

A closed cell extruded polyethylene foam available in roll or strip form. Polyfoam Floorfoam is excellent at cushioning vibrations and is used as a resilient layer below screeds in separating floors. It has been developed specifically to comply with Building Regulation requirements for a resilient layer in a separating floor. The closed cell nature of Polyfoam Floorfoam makes it an excellent resilient layer.

 

Application

Polyfoam Floorfoam 10 has been developed to comply with the requirements for a resilient layer below a screed in separating floors. Polyfoam Floorfoam 12.5 has been developed for use in Floor Type 2 in Scotland. Floorfoam Easy Edge Strip is used at the perimeter of the floor to isolate the screed from the surrounding structure. When used together, Polyfoam Floorfoam and Floorfoam Easy Edge Strips completely isolate the floor screed from the surrounding structure to eliminate the transfer of impact sound to the main structure.

Performance Standards for Separating Floors (E&W)

  Airborne Impact
  DnT,w +Ctr L"nT,w
Properties requiring pre-completion testing
New build min. 45 dB max. 62 dB
Conversions min. 43 dB max. 64 dB
Properties built to Robust Details
New build only min. 47 dB max. 60 dB

Performance Standards for Separating Floors (Scotland)

  Airborne Impact
  Rw +Ctr L"nT,w
Mean 52 dB 61 dB

 

 

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