+49 2505 – 93 8290

Mon – Thu: 8:00 a.m. – 17:00 p.m.
Fri: 8:00 a.m. – 13:30 p.m.

LAVANTUS: Comparison to conventional duct for underground installation


Ducts, which are used for underground air conduction


[Translate to English:] Beton-Kanal
[Translate to English:] Kunststoff-Rohr

Advantages of LAVANTUS air ducts at a glance


Duct type used for air transportLAVANTUS air duct
highly insulated rigid foam
Concrete pipePlastic pipe
SpecificationSpecifically made for
underground air conduction
Originally for the transport
of waste water
Originally for the transport
of waste wate
Time saving at installation•••
fast and solid connection
of 3m ducts with LavantusGrip clamp

has to be put together custom-fitted
with heavy machinery
glued, welded, or put together
Weight saving•••••
Thermal protection•••
pre-insulated air duct


Prevention of condensate•••

Application in hygiene sensitive areas
e.g. food industry, swimming pools, laboratories,
retirement homes, rehabilitaion clinics

microbially inert surface

Staining/ surface•••
smooth and closed-pored

rough and open

Legend:     • = average     •• = good     ••• = excellent     – = not sufficient or not existent


Download comparison air ducts



Do you have any questions?

We will be happy to advise you personally: +49 (0) 25 05 – 93 829 0


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VENTAFLEX Calalog 2023

All air duct products, technical details, supplies and installation instructions can be found in our general catalog.

• Installation of VENTAFLEX air ducts with VENTASNAP and VENTAFIX
• Glueing of VENTAFLEX air ducts
• Installation of a compensator for the expansion compensation

• Laying the air ducts
• Length adjustment of air ducts
• Installation LAVANTUS ring seal
• Installation LavantusGrip