A heavy mass tri-layer laminate made up of a glass mineral fibre with thermal and non-corrosive properties, a core of acoustic dampening polymeric barrier, faced with a reinforced foil. This flexible acoustic barrier is suitable for various sound reduction purposes.

C Barrier v1

Standard Versions:

ProductBarrier Weight (kg/m2)Glass Wool Thickness (mm)Dimensions (mm)
HML 5-255252000 x 1200
HML 5-50550 2000 x 1200
HML 10-251025 2000 x 1200
HML 10-501050 2000 x 1200

(other barrier weights and glass wool thicknesses are available on request).
Operating Temperatures: Glass Fibre Wool: maximum service temperature of 350°C.
Polymeric Barrier Mat: up to 80°C before softening.

Barrier Weighted Sound Reduction Index:

Weight (kg/m2)Sound Reduction (dB)Standard
527BS EN ISO 717-1
1032BS EN ISO 717-1

Reaction to Fire:

ComponentResultStandard
Glass WoolEuroclass A1EN 13501-1 2010
Polymeric Barrier≤ 18mm/min

< 3mm or burning stops before 100mm

ISO 3795
UL94 HB
Reinforced Aluminium FoilClass OBS 476 pt 6&7

(the combined product has no supporting fire test data currently).

VOC Credentials: BREEAM International New Construction v6.0 (2021) – Exemplary Level
(polymeric barrier) LEED v4.1 Beta for Building Design and Construction (February 2021) – Pass

Corrosion Effect: Glass Fibre is chemically inert.
Installation: It is recommended the product be installed with reinforced foil facing outwards.
Interested in a quotation? Please forward your enquiry to: Enquiries@custominsulation.co.uk.
Need further technical information? Please contact: Engineering@custominsulation.co.uk

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