The air trapped in the bubble film and polyethylene foam is dry and stable. Possible condensation is therefore always avoided within the usual range of temperatures for these type of insulations.
See the table below which outlines the U-Value each of the materials below provides: Remember the lower the U-Value the better
± 10 mm
Operating temperature range
-55°C to +80°C
Fire resistance classification
Rw (C ; Ctr) = 35 (-2 ; -7) dB
Impact noise attenuation
ΔLw = 22 dB
Permissible load with 10% deformation
Permissible load with 20% deformation
Thickness of the polyethylene film
Number of the aluminium films
Thickness of the polyethylene foam
Thickness of the outer aluminium film
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