Lignum Colour & Preserve Wood Preservative is a fungicide, specifically formulated for use against wood rotting fungi, algae, lichen and other growths on hard surfaces. It is ideal for the protection of outdoor timber structures such as sheds, fences, trellis, pergolas, gazeebos etc and can be applied to all rough, sawn or smooth timbers. It has virtually no odour and can be applied either by brush or low pressure spray to provide lasting protection. The formulation is water-based producing a non-flammable, quick drying product and is ready to apply direct from the container.