Ondervloeren

Sferafoam 2mm















​​​​​​​Materiaal : EPE
Breedte :  1m
Lengte : 15m of 30m
Dikte : 2mm
Inhoud : 15,0m² of 30,0m²
Gewicht : 0,45 Kg
Densiteit : 15Kg/m³
Warmte geleidingsweerstand : 0,033 W/m.k
Verbetering impactgeluid (IS) : 18 dB


SferaEPE Poly















​​​​​​​Thickness : 2 +/- 0,06 mm
​​​​​​​Width / Length :  1m x 15m
Roll Size : 15 m²
Density : 30kgs/m³
​​​​​​​Thermal conductivity : < 0,033 W/m.k
Impact sound improvement (IS) : 18 dB
Basic material : Polyethylene with Poly film
Floorheating : yes
Moisture protection : yes
Overlap / Strip : yes / yes

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SferaIXPE Alu perforated














Thickness : 3 +/-0,03 mm
​​​​​​​Width / Length : 1 m / 15 m
Weight : ca. 0,20 kg/m²
Roll Size : 15 m²
Density : 66kgs/m³
Thermal conductivity : 0,039 W/m.k
Footfall sound improvement : - 44 %
Impact insulation class (IIC) : 69 dB (ASTM-E492-09/ASTM-E989-06)
Sound Transmission Class (STC) : 62 dB (ASTM-90-04/ASTME413-10)
Impact sound improvement (IS) : 24 dB
Basic material: irradiation cross-linked polyethylene foam with perforated Alu-film
Floorheating : possible
Moisture protection : yes
Overlap / Strip : yes / yes


SferaSonic PE
















​​​​​​​Thickness : 2 +/-0,05 mm
Width / Length : 1 m / 15 m
Weight : ca. 0,22 kg/m²
Roll Size : 15 m²
Density : 120kgs/m³
​​​​​​​Thermal conductivity : 0,033 W/m.k
Thermal Resistance (R-value) : 0,056 (m².K)/W
Footfall sound improvement : - 34 %
Impact sound improvement (IS) : 22 dB
​​​​​​​Basic material: Black EVA with Virgin Poly
Floorheating : yes
Moisture protection : yes
Overlap / Strip : yes / yes



Sferafoam Alu 3mm















​​​​​​​Basic material : EPE & Alu film
Width / Length :  1m / 15m
Thickness : 3mm
Roll Size : 15,0m²
Density : 20Kg/m³
Thermal conductivity: 0,033 W/m.k
Impact sound improvement (IS) : 19 dB
Floorheating : possible
Moisture protection : yes
Overlap / Strip : yes / yes
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SferaIXPE Poly


















Thickness : 2 +/-0,05 mm
Width / Length : 1 m / 15 m
Roll Size : 15 m²
Density : 66kgs/m³
Thermal conductivity : 0,028 W/m.k
Thermal Resistance : 0,063 (m².K)/W
Impact sound improvement (IS) : 25 dB
Impact insulation class (IIC) : 69 dB (ASTM-E492-09/ASTM-E989-06)
Sound Transmission Class (STC) : 61 dB (ASTM E90-04/ASTM E413-10)
Basic material: irradiation cross-linked polyethylene foam with 0,05 poly film
Floorheating : possible
Moisture protection : yes
Overlap / Strip : yes / yes

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SferaIXPE Alu














​​​​​​​Thickness : 3 +/-0,03 mm
​​​​​​​Width / Length : 1 m / 15 m
Weight : ca. 0,10 kg/m²
Roll Size : 15 m²
Density : 33kgs/m³
Water absorbtion (g/c m³) : < 0,01
Thermal conductivity : 0,063 W/m.k
Footfall sound improvement : - 44 %
Impact insulation class (IIC) : 69 dB (ASTM-E492-09/ASTM-E989-06)
Impact sound improvement (IS) : 24 dB
Basic material: irradiation cross-linked polyethylene foam with Alu-film
​​​​​​​Floorheating : possible
Moisture protection : yes
Overlap / Strip : yes / yes​​​​​​​


Sferarub ZF















​​​​​​​Thickness : 3 +/-0,03 mm
​​​​​​​Width / Length : 1 m / 10 m
Weight : ca. 2,4 kg/m²
Roll Size : 10 m²
Density : 800kgs/m³
Permanent pressure resistance : < 5kN/m²
Thermal conductivity : < 0,056 W/m.k
Footfall sound improvement : - 30 %
Impact sound improvement (IS) : 20 dB
Basic material: Natural rubber with integrated fleece and Alu vapour             
Floorheating : yes
Moisture protection : yes
Overlap / Strip : possible with strip and flap