The official language of the 'Class Rules' document is English, and in the event of a dispute over translation, the English text shall prevail.

According to the statutes of NFIA, Class Rule changes will be enforced on January 1st following each Olympic (summer) Games. Amendments will be processed in between the usual period.

Updated 22nd March 2026

Class Rules 2025-2028

NORDIC FOLKBOAT CLASS RULES 2025-2028 (Update March 2026)Download

NEW CLASS RULES 2025-2028 (Document below with CHANGES IN RED)

5_Construction plan wood English Rev 3 July 2024Download
8_Mainsail Rev 3 July 2024_Download
9_Headsail_9_1_Rev4 July 2024_Download

NEW attached the drawings GRP 7 and GRP 9 May 2025

GRP 7 236_03_Folkboat_GA_V025Download
GRP 9 236_03_FOLKBOAT_iYacht Folkeboot MidsectionDownload

Class Rules 2021 - 2024 is effective since September 1, 2021. 

Under the NFIA Articles of Association 2b, NEW issuance May 2023

Recent changes are marked in RED.

Class-Rules-2021-2024-Ed-2021-01092021_MAY-2023-FINAL-UpdateDownload

Supporting documentation

List_of_allowed_Materials_2008Download
20170726_NF_Drawing_MainsailDownload
Drawing_Headsail_9_1_Rev3Download
Drawing_Headsail_9_2_Rev3Download
DRW-10-SpinnakerDownload
DRW-11-revision-Mast-measurement-diagramDownload
DRW-12-Alloy-Mast-diagramDownload
DRW-13-Keel_Trailing_EdgeDownload
Keel_Reinforcement_DiagramDownload

Spinnaker in the UK

The Spinnaker shown in the drawing is not used in the United Kingdom. The UK Association uses a smaller one than the one shown on the drawing. Contact British Folkboat Association for details.