Larsen Universal Wood Preservative is a ready to use, low odour, fast drying wood preservative. It eradicates wood boring insects and their larvae, and prevents damage to timber from wet and dry rot. Suitable for use on most timber and joinery such as furniture, doors, window frames, roof timbers, floorboards, joists, rafters, fences, gates etc. It can be over painted, stained, varnished, or polished when dry if required.