Impactafoam - Impact Noise Reducing Membrane
Verified by manufacturer 13 days ago
Alcumus SafeContractor
Certificate type
Polyethylene impact noise reducing membrane
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 | |
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. |
Sustainability data
Country of material origin | United Kingdom |
Country of product manufacture | United Kingdom |
Third party certifications
Alcumus SafeContractor
SafeContractor Certificate
Alcumus SafeContractor
SafeContractor PQQ Certificate
Literature
SRS Impactafoam Data Sheet
Institute of Acoustic Sponsor Certificate
Richard Sherwood MIOA Certificate
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