The Cleanliness Classification of Ventilation Products
The Cleanliness Classification of Ventilation Products
Recent news
What is Emission Classification M1?
Applying for the Classification
Validity of the Classification
Right to use the M1 label
Quality assurance and obligations of the Manufacturer
Classification process
Classification process
The classification is applied using the application portal
New classification application
Classification continuation application
Classification renewal application
Change in product name
Change in company information
Change in the composition of the product
Removing a product
Testing and classification criteria
Testing
Classification criteria
Authorised testing laboratories
Classification fees
Downloadable materials
F.A.Q
Application portal

Contact
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Jukka Seppänen, Product Manager
m1(at)rakennustieto.fi

Jessica Karhu, Team Manager
m1(at)rakennustieto.fi

Customer service
+358 45 4900 747​

Downloadable materials

Below you will find downloadable materials related to the M1 Cleanliness Classification of Ventilation Products.

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  1. Cleanliness Classification of Ventilation Products, General rules (published 12.10.2023)
  2. Testing protocol for ventilation products (in Finnish, published 2012)

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Product type-specific testing and classification requirements:
  • Ventilation ducts and parts as well as closing, adjusting and fire dampers (link)
  • Air filters (link)
  • Silencers (link)
  • Ventilation terminals (link)