ONDUTISS AIR
Ondutiss Air breathable waterproof roof underlayment
ONDUTISS AIR breathable membranes are composed of 3 layers. The bottom and the top layers are non-woven and the layer in between provides the waterproofing.
Vapor Diffusion Thickness – Sd (m)
With an Sd value between 0,02 and 0,04; ONDUTISS AIR has a structure with a certain water vapor permeability.
ONDUTISS AIR 90
ONDUTISS AIR 90 is a microporous, breathable membrane which helps the prevention of mold and bacteria while protecting the thermal insulation elements.
- Totally waterproof. Protects against rain and snow.
- The non-woven layer protection provides extra resistance during the phases before the siding and roofing applications.
- High mechanical resistance.
- UV protection provides usage under direct sunlight for 3-4 months.
- Provides energy efficiency through acting as a wind barrier.
- Can be manufactured as self-adhesive due to demand.
Fields of Application
- Under the roofing systems
- Beneath the siding or facade systems
ONDUTISS AIR 130
ONDUTISS AIR 130 is a microporous, breathable membrane which helps the prevention of mold and bacteria while protecting the thermal insulation elements.
- Totally waterproof. Protects against rain and snow.
- The non-woven layer protection provides extra resistance during the phases before the siding and roofing applications.
- High mechanical resistance.
- UV protection provides usage under direct sunlight for 3-4 months.
- Provides energy efficiency through acting as a wind barrier.
- Can be manufactured as self-adhesive due to demand.
Fields of Application
- Under the roofing systems
- Beneath the siding or facade systems
![]() |
![]() |

