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M1 Emission Classification

Indoor air quality

The product meets Finland's M1 class limits for VOC and odour emissions — the strictest tier of the Nordic emission classification.

You might see it written as: M1 · M1 classified · Finnish emission classification

Issued by: Building Information Foundation RTS (Finland)

What it proves

The product meets Finland's M1 class limits for VOC and odour emissions — the strictest tier of the Nordic emission classification.

What it does not prove

  • Non-emissions attributes; recognition outside Nordic-influenced projects varies.

Claims it can support

No claim mappings use this certificate yet.

Evidence checklist

Minimum authority
Third-party verified
Should state
Classification · Valid Until · Product Scope
Date sensitivity
Expiry matters — check the certificate is current.

Common on European products; check equivalence before substituting for CDPH-based certificates.

Source: RTS — M1 classification ↗