120 TWB B1

The reliable closed-cell sound insulation

One-sided self-adhesive sealing tape made of closed-cell cross-linked polyethylene foam


Partition wall tape when assembling U and C angle profiles to prevent sound bridges in the joint area.

Product benefits

  • very good adhesion
  • the closed-cell foam hardly absorbs moisture
  • Resistant to water and to most common chemicals
  • Reliable sealing between different construction elements e.g. walls, ceilings and floors

Processing instructions

The most important processing parameters and information on cleaning are listed in our Information on Processing Adhesive Tapes. Processing

Storage and shelf live

6 months after receipt of goods, when stored non processed, at room temperature and 60 % relative humidity, in original packaging

Bildschirmfoto 2020-04-09 um 14.28.20

Technical data and product properties


3 mm

density (DIN EN ISO 845)

25 kg/m³

compressive strength (DIN EN ISO 3386-1)

at 25 %
at 50 %

35 kPa
100 kPa

compression set (DIN EN ISO 1856-C)
22 h at 23 °C and 25 % deformation

0.5 h after discharge
24 h after discharge

22 %
12 %

Water absorption (ISO 2896)

≤ 1 vol%

thermal conductivity (ISO 8302)

at 10 °C
bei 40 °C

0,033 W/m∙K
0,037 W/m∙K

noise reduction value (DIN 52210-4)
(DIN 52210-4)

RST,w = 59 dB

Reliable sealing between different construction elements e.g. walls, ceilings and floors (DIN 4102-1) Between solid mineral or metallic Building materials, compression min. 50%

hardly flammable, B1 (General supervisory building certificate P-MPA-E-01-635

Temperature resistance

-40 °C to 50 °C

application temperature

5 °C to 30 °C


You cannot find the right product?
Would you like a different thickness, width or even cutting dies?
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We manufacture individual solutions, depending on the quantity.
Uncomplicated and perfectly designed for your use.

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