Selleys No More Gaps Timber Floors Hardwood is the ideal solution for filling gaps around and between tongue and groove timber flooring, panels and fittings. It has been formulated using real wood fibres making it sandable and stainable and tinted to blend in with popular indoor timber colours to ensure a long-lasting colour-matched finish. Also available in Baltic, Jarrah and Walnut to match different woods. Not for exterior use.