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  1. Lithoplast
  2. LITHOPLAST® – HDPE studded membranes
  3. LITHOPLAST® INSTAL

LITHOPLAST® INSTAL

Studded membrane for ventilation and wet masonry remediation.

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  • LITHOPLAST<sup>®</sup> INSTAL
Description Usage Parameters Dimensions

The shaping of the LITHOPLAST® INSTAL studded membrane creates a gap under the insulation, which allows air or water to flow out of the area into the drainage system. Therefore it is used as an insulating element of moisture ventilation on horizontal and vertical masonry, a remediation and hidden casing of old and historic buildings with damp walls, a flat draining element in underground portions of objects.

The LITHOPLAST® INSTAL studded membrane is produced in a roll form with stud heights of 20 mm, in a sheet form with stud heights of 40 mm, 60 mm, or 80 mm.

If you use LITHOPLAST® INSTAL sheets with high studs, you can place installation wiring under them. You will appreciate it when you need to build a temporary stand at the exhibition.

Czech Quality

You can rely on the proper function of the LITHOPLAST® INSTAL studded membrane. It is proven by hundreds of implementations. The membrane is made in the Czech Republic.

In construction, LITHOPLAST® INSTAL is used as:

  • anti-radon ventilation of the insulation at, or below ground level,
  • additional air insulation against radon penetration in existing buildings,
  • redevelopment during houses reconstruction and ventilation of wet places,
  • hidden casing. 

Further use of the LITHOPLAST® INSTAL:

  • tree protection
  • and protection of a distribution system in temporary buildings, especially in the field of exhibitions.
Material HDPE (High-density polyethylene)
Volumetric weight 950 ± 50 kg/m3
Color black
Resistance against static load method B, meets requirements at 20 kg
Thermal stability -20 °C až + 70 °C
Flammability F
  20/0,8/1340 20/1,0/1340 40/1,5 60/1,6 80/2,0
Type roll sheet sheet sheet sheet
Default membrane thickness [mm] 0,8 ± 10 % 1,0 ± 10 % 1,5 ± 10 % 1,6 ± 10 % 2,0 ± 10 %
Width roll / sheet [mm] 1340 ± 2 % 1340 ± 2 % 820 ± 4 % 810 ± 4 % 8 ± 4 %
Length roll / sheet [mm] 20 ± 2,5 % 20 ± 2,5 % 1750 ± 4 % 1750 ± 4 % 1750 ± 4 %
Stud height [mm] 20 20 41 61 78
Air volume in studs [l/m2] 5 5 10,6 16,4 20,8
Air capacity of the gap [l/m2] 15 15 30,4 44,6 57,2
Compression strength [N/mm2] 0,10 0,14 0,12 0,06 0,05
Package [m2] 26,8 26,8 10x1,435 10x1,418 10x1,400
Surface density [kg/m2] 0,76 0,95 1,57 1,66 2,11
Weight of package [kg] 20 25 23 24 30

Have a question?

Ing. Martin Číka Ing. Martin Číka
senior manager
+420 606 702 187
martin.cika@lithoplast.cz
To write us
We will answer as soon as possible.