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# Shaft system

 

 

 

### High fire resistance

The ALMEVA shaft system is a modern solution for flue gas extraction combining ecological materials with the latest trends in the flue gas industry. This system is designed to meet stringent building engineering requirements.

**Benefits**

- 90 minute fire resistance (E190)
- easy installation
- environmentally friendly
- health protection
- possibility to replace the flue liner
- possibility of installing the system in vertical, horizontal and, with the use of elbows, inclined position

**Main characteristics of the shaft system**

- certified system according to EN 1856 – 1
- fire resistance 90 minutes (EI90)
- chimney liner exchange capability
- the system is for indoor use only and must be protected against the weather
- lightweight and compact system for fast construction
- maximum height of the structure without lifting section 30 metres
- internal shaft dimensions from 120 mm to 360 mm allow use for a wide range of appliances

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Basic system breakdown

- ALMEVA DOUBLE ELS  
    Double layer chimney system with steel liner for appliances with flue gas temperatures up to 200°C
- ALMEVA DOUBLE KLS  
    Double layer chimney system with plastic liner for appliances with flue gas temperatures up to 120° C



 

 

 

## Downloads

 

- [Company profile ](https://www.almeva.swiss/sites/default/files/perm/document/almeva_company_profile_7_2024.pdf)