Welcome to the most experienced specialist in modular stainless steel flue systems of Europe!

For almost 50 years we have been designing, manufacturing and distributing our systems throughout Europe. Under the brand name Metaloterm® we offer more than 4.000 different, stainless steel products for chimneys, flue gas removals, waste air systems and industrial exhausts.

We offer a solution for almost all applications in the field of flue gas removal. 


         
Metaloterm Ontop

Wood burning with 30 year guarantee on your chimney!
Metaloterm® AT

Metaloterm Ontop

Our service oriented employees are at your disposal!
Ontop B.V. manufacturer of Metaloterm® systems

Metaloterm Ontop

Maritime applications with the highest possible corrosion resistance!
Metaloterm® AM

Metaloterm Ontop

Quality systems to the top!
Metaloterm® MF

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Metaloterm® AT

Metaloterm Video
The only system with a 30 year garantee, even after a chimney fire.
This movie of Ontop B.V. shows how a chimney fire occurs and why Metaloterm® AT possesses the unique qualities to resist this. The Metaloterm® AT system is re-usable perfectly after chimney fires.

Metaloterm® AT

Metaloterm® Iso-block

Metaloterm Video
A completely sealed, fire safe transit for stainless steel flue systems.
The operation principle of the Metaloterm® Iso-block, explained by means of simple drawings.
- Created by Ecomind, an EU initiative for eco-innovation.
 
 
Metaloterm® Iso-block

Metaloterm® Silencers

Metaloterm Video

Sound Control with lightweight modular systems, the applications are virtually limitless.
 A short video where you can see how our unique silencers are produced, tested and installed.

Metaloterm<sup>®</sup> Silencers

News

Monthly newsletter


June 2013

Metaloterm® AT exists 30 years


May 2012
Ontop B.V. has set the standard for the future: Metaloterm® AT, a chimney that, even after chimney fires, is guaranteed for 30 years.

Metaloterm® Ecofire (PREVIEW)


Cute!
Your small and cute fireplace
with REAL fire, but no wood, no stove, no polution!
Airsealed & suitable for passiv houses.
















Please let us know what you think about this new original product idea, by sending us an e-mail (marketing@metaloterm.com), thanks!