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Isolmant UnderPlus Black.E

Isolmant UnderPlus Black.E

Isolmant UnderPlus Black.E

Isolmant UnderPlus Black.E

Resilient Isolmant polyethylene layer joined on the lowerside to FIBTEC XF1 (special needle-worked fibre produced according to specifications designed to provide a better noise reduction). It provides excellent impact sound and airborne insulation for horizontal partitions. 


Thickness 7 mm.


Isolmant UnderPlus Black.E specific for floating screeds as provided by UNI 11516:2013 standards with any type of slab. 
This product is recommended for applications under a finishing screed (double layer solution), it requires a finishing screed at least 3 cm thickness.

Immagine 1


• Excellent acoustic impact sound and airborne insulation.
• Suitable for use in both renovation and new construction.
• Low thermal conductivity.
• Inalterable over time.
• Unlimited durability.
• Contact with water does not compromise performance or characteristics.
• Resistant to mould or insects.
• Easy to lay products.
• Product with overlaps.
• Easy to trim: can be easily cut with a utility knife or box cutter.


Isolmant GreenPlanet

• VOC test report:
- VOC A+
- Indoor Air Comfort GOLD.
• Recycled content certified by ICMQ (Test report no.P492)
• Manufactured with low environmental impact.
• Contributes to achieve credits for the environmental certification of a building according to LEED or BREEAM standards.
• This product can be disposed of according to EWC n. 170604.
• Complies with the requirements defined by the Italian CAM Edilizia for acoustic and thermal insulation materials regarding the request for high acoustic insulation performance, the percentage of recycled material and the absence of hazardous substances.


Item Specifications

Resilient layer is made of reticulated expanded closed-cell polyethylene, with the upper side embossed and screen-printed joined on the under sidewith a special needle-worked fibre that is conceived to enhance the acoustic performance (Isolmant Underplus Black.E). Nominal thickness 7 mm. Dynamic stiffness s't =11 MN/m3 s'= 36 MN/m3 (certified values). Impact sound insulation ΔLw = 28 dB, VOC A+ and recycled content certified by ICMQ, Indoor Air Comfort GOLD test report by Eurofins. To be positioned with the fibre side facing down. Product with overlaps.

Item Specifications Copy item specification