Everbuild Triple Action (Kills, Protects and Preserves) Wood Treatment takes care of remedial wood treatment and preservation in one can. Everbuild Triple Action is specially designed to deeply penetrate all wood and joinery to give lasting protection from damage caused by wet rot, dry rot, fungi and wood boring insects/larvae. The fast drying formula is suitable for both internal and external use making it ideal for use on sheds, garages, fencing, farm buildings, roof beams, joists, garden furniture, floorboards, window frames, doors and much more.