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Impactafoam - Impact Noise Reducing Membrane

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Sound Reduction Systems Ltd Third party certifications:
  • Alcumus SafeContractor

    Alcumus SafeContractor

    Certificate type

Polyethylene impact noise reducing membrane

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Application

Can be installed on flooring with floor joists, with laminate floors, on flooring with floor battens and with finishing screeds. Also suitable for installation beneath metal and timber stud partitions.

Description

Versatile, impact-noise reducing membrane designed to be used in many applications.


Impactafoam is an inert crosslinked closed cell polyethylene foam with good compression strength. The product is supplied in two format: Large rolls for use beneath concrete screeds and laminate/ timber flooring, and 50 mm wide, self-adhesive strips for use beneath timber battens, partition track, and timber floorboards.


Features and benefits:

  • Reduces impact noise.
  • Only 5 mm thick.
  • High compression strength.
  • Low thickness loss.
  • Easy to lay and cut.
  • Good chemical resistance.
  • Does not deteriorate or mildew.

General information

Color

Grey

Finish

Other

Material

Polyethylene

Shape

Rectangle

Length

25000 mm

90000 mm

Width

50 mm

1200 mm

Height

5 mm

Guidance for specification option:

Thickness.

Uniclass

Pr_25_57_06_71 Resilient layer insulationPrimary

CAWS

P10/220 Sound insulation within timber framed separating wall

K11/796 Metal stud partition system

K10/115 Metal stud partition system

K10/125 Metal stud partition system

K10/30 Metal stud

K11/275 Acoustic separating floor system

K21/145 Composite laminate flooring

K21/115 Wood laminate flooring

K21/111 Wood floating floor

K21/146 Laminate flooring

M10/295 Floating construction (thin sheet impact sound insulation)

K21/20 Composite laminated flooring

K21/10 Wood laminate flooring

M10/40 Floating construction

K11/27 Acoustic separating floor system

Specification data - Resilient layer insulation

Material

Crosslinked, closed cell polyethylene.

Density

33 kg/m³.

Thickness

5 mm.

Sound insulation rating

Reduction of impact sound pressure level: Δlw 22 dB.

Guidance for specification option:

ISO 140-8 1998 Reduction of impact sound pressure level (ΔL) ISO 7172 1997 Impactafoam laid onto a structural concrete floorwith 6.8 mm laminated floor laid over.

CompressiveStrength

To ISO 844, 30 kPa.

Water vapour diffusion resistance

To ISO 1663, ca6000.

Water absorption

To ISO 2896, <1%.

Weighted normalised impact sound pressure level, Ln,w

50 mm screed Lnw: 61 dB.
70 mm screed Lnw: 60 dB.
100 mm screed Lnw: 58 dB.

Sustainability data

Country of material origin

United Kingdom

Country of product manufacture

United Kingdom

Material

Polyethylene

Recycled content

As defined in clause 7.8 of BS EN ISO 14021

0 %

Third party certifications

Alcumus SafeContractor

Alcumus SafeContractor

SafeContractor Certificate

Alcumus SafeContractor

Alcumus SafeContractor

SafeContractor PQQ Certificate

Literature

SRS Impactafoam Data Sheet

SRS Impactafoam Data Sheet

Institute of Acoustic Sponsor Certificate

Institute of Acoustic Sponsor Certificate

Richard Sherwood MIOA Certificate

Richard Sherwood MIOA Certificate

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