Cetol Marine can be applied anywhere that you would use varnish, but is particularly suitable for areas that endure hard use—grabrails, swim platforms and ladders, or the cockpit sole, where it produces a surprisingly durable and non-slip finish. … Unlike varnish there is no need to sand between coats.

Is sikkens a varnish?

A medium build, solvent-borne interior varnish that is resistant to knocks, spills and abrasion.

Can you put varnish over cetol?

Varnish will go over a thin coat of Cetol but not the other way around. Varnish is much harder and more abrasion resistant.