Humphree and Propspeed Align on Foul-Release Coating for Stabiliser Fins

Two marine suppliers formalise a partnership

Humphree and Propspeed have announced a cooperation focused on protecting stabilisation equipment below the waterline. Humphree endorses the use of Propspeed’s Foulfree Multi-Surface System on its fins and interceptors.

The announcement concerns an approved supplier approach rather than a new fin design or a statement about every existing installation. Owners should confirm the exact component, coating process and any warranty requirements with Humphree.

Why marine growth matters

Growth on fin and interceptor surfaces can affect their operating condition and create more maintenance work. Propspeed describes Foulfree as a biocide-free foul-release coating intended to reduce attachment of marine organisms.

The suppliers frame the collaboration around maintaining performance and protecting equipment. Actual operating outcomes depend on water conditions, maintenance and correct application rather than a universal efficiency percentage.

Attention to sensitive components

A stabiliser surface differs from an ordinary area of hull because moving parts, edges and manufacturer tolerances need careful handling. The companies say the chosen coating is intended to preserve the integrity of these components.

A yacht planning a lift-out should coordinate coating work with the stabiliser service provider. The appropriate preparation and application instructions must be obtained for the installed model.

A refit decision for the owner

Combining underwater servicing during one yard period may help avoid repeated access work. Any schedule must nevertheless account for cure time, inspection and system commissioning before departure.

The companies’ official partnership release and the associated product photograph document the development. Superyacht Guide has not treated the manufacturers’ performance claims as independent test results.