Maintenance doors

NORDdoor product group consists of various access doors for cleaning and testing ventilation ducts. The basis for clean and healthy indoor air quality is a clean duct work. Cleaning and maintenance requires that there are comprehensive service points created with the access doors throughout the entire duct work. The NORDdoor product group has access doors for every need.


The tightness classes of NORDdoor products have been determined in accordance with standard SFS-EN 1751.

Downloadable files

NORDdoor -maintenance doors pdf Open
NORDdoor - Declaration of Conformity pdf Open
M1 Cleanliness Classification - TL3 maintenance doors pdf Open