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The range of Mappy Italia’s products to level wood floor underlay:comparison of performancesGreen <strong>Building</strong>FLOORFLEXTERMOFLEX PLTCH GOFFRATOIGNIFUGOUNDERFLOOR UNDERFLOOR ALU MAPPYFELTRO LVIdeal for heated floor • • • • •Reaction to fire CLASS 1Colour • • • • • •CompositionPhysically reticulatedPEChemically reticulatedPE + ALNon-reticulatedPENon-reticulatedPE + AL•50% Polyester30% Cotton20% Other fibersThickness 2 mm 3 mm 2 mm 2 mm 3 mmλ 0,034 W/mK 0,0367 W/mK 0,04 W/mK 0,04 W/mKΔL w20 db* 13 db* 13 db* 13 db*Compression strainDeflection 25%Deflection 40%Deflection 50%Compression set(deflection 25% 23°C)0,5h after discharge24h after discharge35 KPa66 KPa99 KPa(22 h)22%11,9%24 KPa48 KPa112 KPa(22 h)16,4%5,3%*The values shown in the table are only an average and provide an indication of the general properties of MAPPY ITALIA’s products: they are a generalreference, estimated in advance and waiting for the certification.20 KPa70 KPa(24 h)5%20 KPa70 KPa(24 h)5%floor underlay levelling614 WoodWood floor underlay levelling
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