Summary of the M1 application process

Product grouping: contact information

Product grouping

Products that have very similar physical and chemical properties and applications can be considered as a product group. Product grouping should be done prior to testing and applying for the M1 Classification. Product groups are formed by the Building Information’s classification working group based on detailed information about the products chemical and physical characteristics provided by the manufacturer. Suggestions from the manufacturer are taken in consideration when forming product groups. TDS and SDS documents alone do not provide enough information for product grouping. All information regarding product formulation and product grouping is handled confidentially.

Please note that product grouping application processed prior to testing phase does not eliminate the need to submit a classification application after successful testing, this applies to both new and renewal applications.

If you wish to form a new product group, please apply for the product grouping by filling in the M1 application form. Select “Product grouping application” and attach the following documentation to the application:

  • product grouping spreadsheet (e.g. an Excel file; templates are available) which includes detailed chemical and technical product information regarding the entire proposed product group
  • technical data sheets for each product in the group
  • safety data sheets (if applicable) for each product in the group

More information and templates for product grouping can be enquired from the Product Manager for the M1 Classification (contact details). When forming a product group, the working group also selects product(s) that should be tested as the group representative. This eliminates the need to test all products in the group in order to achieve the M1 Classification.

Please note that product groups in need of retesting for renewal of the M1 Classification need to be re-evaluated by the classification working group prior to testing. In this re-evaluation the working group decides which product(s) shall be tested as group representative. During the re-evaluation process manufacturer can also propose changes (additions or removals) to the product group. For instructions how to submit a product group for re-evaluation, please see section Renewal application below.

Products can be added or removed from a product group at any point during the classification period. All additions to product groups are applied using the online form with the following documentation:

  • updated product grouping spreadsheet (including details of products both already in the group and those to be added)
  • technical product details (e.g. technical data sheets)
  • safety data sheets or material safety data sheets (if applicable)
  • product information (for multiple products an import Excel downloadable from the form after selecting ‘Multiple products’ is used)
  • manufacturer’s signed and dated declaration of equivalence of materials (chemicals) and manufacturing process of new product names compared to the ones already in the product group (this document shall include all relevant product names and company details)
  • test report used in the original classification application


Prior to submitting a M1 application, products must be tested in an approved testing laboratory. Testing laboratories will provide all information regarding sampling, sampling size, packaging and delivery of the product sample. Additional information about the emissions testing can be found in the M1 testing protocol and standard EN 16516:2017 + A1:2020.

The applicant must inform the testing laboratory about the information concerning the product sampling by using the sampling report obtained from the laboratory. When applying for the M1, test report used for the application shall not be more than one (1) year old.

Tested parameters:

  • total emission of volatile organic compounds (TVOC)
  • emissions of volatile organic compounds (VOC) according to the EU-LCI list
  • formaldehyde (HCOH) emission
  • ammonia (NH3) emission
  • emissions of CMR compounds belonging to category Carc. 1A or Carc. 1B in Annex VI to Regulation (EC) No 1272/2008 
  • acceptability of odour


M1 Classification cannot be granted without an application sent to Building Information. Applications are evaluated by the classification working group. The working group is appointed by The Building Information Foundation RTS sr and it consists of impartial experts.

As we process a lot of applications, please submit your application in good time before the meeting date, at least four (4) working days prior to the meeting. All classification applications must be submitted using the online application form, as processing of applications sent via email or post cannot be guaranteed. All information provided by the applicant is handled confidentially.

Meetings of the classification working group are held once a month (excluding holidays) and the upcoming meeting dates can be found here. Working group’s decisions and classification documents for approved applications will be delivered to the email address given on the application within two (2) weeks of the meeting.

By submitting an application the applicant agrees to pay Building Information Ltd the classification fee for the Emission Classification and any other fees related to the granting of the classification. Please find the current list of fees here.

New application

After receiving the test result from the testing laboratory you can apply for the M1 Classification. Please include following documentation to your application:

  • test report (not more than one (1) year old)
  • technical product details (e.g. technical data sheet(s) or brochure(s))
  • safety data sheet(s) or material safety data sheet(s) (if applicable)
  • product information (for single products information is given on the application form, for multiple products an import spreadsheet downloadable from the form after selecting ‘Multiple products’ is used)
  • product grouping spreadsheet (if applicable)

Continuation application

If the composition and method of manufacturing has not changed during the first 3-year classification period, the classification can be continued with a continuation application for another three (3) years without retesting. The continuation application must include following documentation:

  • up-to-date TDS document(s) (or similar document such as a brochure that has all relevant technical data)
  • SDS document(s) for materials classified as chemicals
  • manufacturer’s signed and dated statement of changes made to the product(s) and their manufacturing process since the last M1 application/testing (the document must include all relevant product and company names as well as when was the previous testing done)
  • product information (for single products information is given on the application form, for multiple products an import spreadsheet downloadable from the form after selecting ‘Multiple products’ is used)
  • latest testing report(s)

Renewal application

After six (3+3) years of being M1 classified, the product must be tested again. Documentation required for the renewal application is the same as for a new application (see above).

In the case of a product group, classification working group shall be contacted before sending products for testing as the technical working group will decide which product(s) should be tested. Upon renewal, product group shall be submitted for re-evaluation even if no changes have been made to the group. Product groups are submitted for re-evaluation using the online form with product grouping spreadsheet, TDS documents, and SDS documents (if applicable) as attachments.

Additional voluntary limit value examination for building products

It is possible to include an additional voluntary limit value examination as part of the M1 Classification (e.g. to verify compliance with the indoor air emission criteria of the EU taxonomy, BREEAM or SINTEF). The limit value examination has two scopes depending on the intended use(s):

  1. formaldehyde emission < 60 µg/m³ and emission of carcinogenic substances < 1 µg/m³
  2. formaldehyde emission < 60 µg/m³, emission of carcinogenic substances < 1 µg/m³, and total volatile organic compounds (TVOC) < 300 µg/m³

The limit value examination is an additional product developed to help manufacturers with increasing documentation demands and is not in any way mandatory. Please indicate which scope you are interested in when submitting your order.

Conditions for the limit value examination are:

  • the product or product group must be M1-classified
  • suitable test report must be available for examination

In principle, all new emission tests carried out according to the M1 test protocol as well as tests already done for M1-classified products can be utilized for the limit value examination. Limit value examination can be ordered as part of the normal classification process (i.e. when proposing changes to an existing classification or when applying for a new classification or continuation/renewal for an existing classification) as well as during ongoing classification period. The limit value examination is added to the product’s or product group’s M1 Classification certificate and is only available in Finnish and English.

When limit value examination is done as part of the normal classification process, the order is placed using the application form. If you are looking to add the limit value examination to an existing classification during ongoing classification period without any changes to the original classification, please email m1(at) and provide the following information:

  • the classification decision to which you wish to include the limit value examination
  • the scope and language version(s) of the examination (please see options above)
  • test report(s)
  • invoicing details

The certificate validity and obligation to notify of changes

The validity of the classification is three (3) years. During this time the company has the right to use the M1 label on their classified products and in their marketing material. The M1 label is a trademark registered by The Building Information Foundation RTS sr.

The certificate holder is obligated to inform Building Information in advance about changes in the manufacturing process, chemical content or physical characteristics of the product, if these changes have influence on the emission characteristics of the product.

Quality control of the classified products

The quality of the the classified products is controlled by random testing each year. The technical working group randomly selects the products for testing once a year and the testing costs are covered by Building Information.

If a product does not comply with the M1 criteria in the random test and the manufacturer is unable to prove compliance with the criteria, the product will be removed from the M1 database and the right to use the M1 label is terminated.