wooden bathroom floor

[APTE Design]

hi
i was hoping some one could help me, i have recently moved in to a victorian house, and am currently redecorating my upstairs bathroom and im hoping to leave the floor boards exposed. i realize the boards need to be varnished but would like to know the best way/product of sealing the them also what product should i use to fill/ seal the gaps between the boards so that water cant leak through to the ceiling below?

cheers for your help

[thedoctor]

See the project on timber flor finishes and filling gaps in floorboards. Also see the project on sanding timber floors