Isomass; Impact Sound Insulation for Flooring with Screed
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Isocheck Screedcheck XL9

Impact improvement underscreed system

The Isocheck Screedcheck XL9 impact improvement system is designed to be placed within a masonry structural floor directly below the screed. This isolates the screed from the structural sub floor, and provides sufficient impact absorbsion to place it amongst the top performing low density systems available.

The isocheck Screedcheck XL9 system features a 9mm closed cell non cross linked foam layer.

When installed correctly, the Screedcheck XL9 system will enable compliance with Approved Document E 2003 and subsequent amendments in 2004, 2010, 2013 and 2015.

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The isocheck Screedcheck XL9 system has been designed to be placed within a masonry structural floor directly below the screed. This isolates the screed from the structural sub floor, and provides sufficient impact absorption to place it amongst the top performing systems available.

(on the construction illustrated)

Treated floor with: DnT,w+ Ctr L’nT,w
Isocheck Screedcheck XL9 50dB ≤45dB
Roll dimensions: 1.2m wide x 50m
Thickness: 9mm
Foam composition: Closed Cell Non Cross Linked Isopoli

Isocheck Screedcheck XL9 system, supplied by Isomass Ltd. Unit 14 Papworth Business Park, Stirling Way, Papworth Everard, Cambridgeshire CB23 3GY and installed in accordance with manufacturer’s instructions / recommendations.

Full installation instructions for Isocheck Screedcheck XL9 is available as a pdf to download. Go to the Downloads tab on this page.

Isocheck Screedcheck XL9 – Beam & Block Floor installation instructions

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Isocheck Screedcheck XL9 – Beam & Block Floor product data sheet

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Isocheck Screedcheck XL9 – Concrete Floor installation instructions

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Isocheck Screedcheck XL9 – Concrete Floor product data sheet

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  • 80kg/m2 sand/cement screed or 65mm proprietary screed.
  • Optional (1000 gauge or 0.25mm) plastic sheeting – to aid screed pouring and maintain joints in Screedcheck XL9.
  • Isocheck screedcheck XL9 on grouted sub floor.
  • ≥300kg/m2 minimum structural sub floor.
  • 75mm min. void formed by metal frame suspended ceiling system and ≥10kg/m2 gypsum board ceiling.
  • 80kg/m2 sand/cement screed or 65mm proprietary screed.
  • Optional (1000 gauge or 0.25mm) plastic sheeting – to aid screed pouring and maintain joints in Screedcheck XL9.
  • Isocheck screedcheck XL9 on grouted sub floor.
  • ≥300kg/m2 minimum structural beam and block floor with optional levelling screed.
  • 75mm min. void formed by metal frame suspended ceiling system and ≥10kg/m2 gypsum board ceiling.

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