Sadolin Wood Preserver for Exterior Bare and New Timber Clear 2.5 Litre Woodworm Treatment 3011 clear glossy finish in 3011 clear glossy finish in 750ml pack size is hard wax oil for interior wood and provides a tough Finish Semi Matt Area of Use Interior Area of Application Wooden Floors Coverage Per Litre 24 metres square per litre with one coat Application Method Osmo Flat Brush Sadolin Wood Preserver is easily absorbed into wooden surfaces and is an ideal pre treatment prior to painting or staining our Wood Preserver will not affect the natural colour of the wood or the colour of any further wood stains or paints applied