DANOSA  |  SKU: 49975865966939

DANOSA IMPACTODAN - All Thicknesses

£145.43 GBP
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Product Datasheets

Product Datasheet:

DANOSA IMPACTODAN Datasheet

Things you should know about this product!

  • This product is sold by the roll

Description

DANOSA IMPACTODAN is a cross-linked polyethylene foam membrane with a closed-cell structure, providing strong physical and mechanical performance. It is designed for acoustic insulation in floating screed systems, helping to reduce impact noise transmission from structural concrete floors. The material offers high resistance to fatigue and remains easy to handle during installation. Its performance is supported by DIT No. 439 from the Eduardo Torroja Institute of Construction Science in Spain.

Specifications

  • Length
    Various lengths
  • Width
    Various widths
  • Thermal conductivity
    0.037 W/mK
  • Fire rating
    Euroclass F
  • Compressive strength
    23 kPa
  • Density
    27kg/m³

Key Features

  • Airborne sound insulation: DnTA > 50 dBA (IMPACTODAN® 5) and DnTA > 55 dBA (IMPACTODAN® 10)
  • Impact sound insulation: L’nT,w < 65 dB
  • Flexible material that removes the need for levelling mortars
  • Slim profile with effective acoustic performance
  • Acts as a vapour and moisture barrier
  • Low thermal conductivity for added thermal comfort
  • Durable with long service life
  • Quick and straightforward to install

Where to use

  • Inter-floor sound insulation in public or private residential buildings
  • Floor renovation in dwellings to improve airborne and impact sound performance
  • Floating floor systems in commercial and tertiary buildings, including ground-floor commercial units

    Installation Notes:
  • Ensure the top layer of material is continuous, with overlaps on vertical surfaces, fully wrapping pillars and penetrations before pouring screed
  • Recommended for uneven slab compression layers
  • Floating mortar must be strong enough to avoid cracking (see SPD No. 1.3)
  • Allow 15–20 days for mortar curing before foot traffic
  • For floating partitions, grout internal floating partition walls to maintain system stability (SPD No. 2.1)
  • Avoid full penetration of door frames through floating mortar (DIT No. 439, fig. 13)
  • If using self-levelling mortars, ensure membrane lies completely flat with no creases
  • Part of a complete Danosa Sound Insulation system; refer to the Danosa Solutions Manual and SPD documents for correct integration

Frequently asked questions

How does Danosa Impactodan work?

Impactodan works by absorbing and dampening impact vibrations caused by footsteps, dropped objects, and other sources of structural noise, preventing them from transmitting through the floor to the rooms below.

Does Danosa Impactodan work with underfloor heating?

Yes, it can be used with underfloor heating systems, but proper installation techniques should be followed to ensure efficient heat transfer.

Is Danosa Impactodan moisture resistant?

Yes, it has moisture-resistant properties, making it suitable for use under screeds in various environments.

Payment & Security

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DANOSA
DANOSA IMPACTODAN - All Thicknesses
From £24.77 GBP

Length

Various lengths

Width

Various widths

Edge

N/A

Fire rating

Euroclass F

Compressive strength

23 kPa

Density

27kg/m³

Thermal conductivity

0.037 W/mK

Material type

N/A
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