This repellent is firm in all temperatures. It will not come off on your clothing like products using parafinic oils. Fungus and Mildew. Wood is a natural food source for certain types of fungus and spora. If allowed to grow, these tiny plants devour the binding resin in wood causing it to fall apart.
Some manufacturers use highly toxic poisons to kill any mildew that comes into contact with it.
Wood Iron uses an organically based mildew inhibitor that is very low in toxicity and lasts up to five times longer than inorganic mildewcides. The Look of Wood. Wood Iron is specifically designed to protect wood from all of the elements. It is sold by experienced applicators, not just sales people. The intent of the manufacturer and distributor alike is to provide the best possible exterior wood finish available.