Wood preservation a long-practised method and often used in today's carpentry workshops. Technological developments mean it is also possible to spray preservative over the surface of the timber. Some of the liquid is drawn into the wood as the result of capillary action before the spray runs off or evaporates, but unless puddling occurs penetration is limited and may not be suitable for long-term weathering. By using the spray method, coal-tar creosote, oil-borne solutions and water-borne salts (to some extent) can also be applied. A thorough brush or spray treatment with coal-tar creosote can add 1 to 3 years to the lifespan
Wright's Coal Tar Soap Wright's Coal Tar Soap <br> Created by William Valentine Wright in 1860, Wright's Traditional Soap, or Wright's Coal Tar Soap, is a popular brand of antiseptic soap that is designed to thoroughly cleanse the skin. It is an orange colour. For over 150 years, Wright’s Coal Tar Soap was and still is a popular brand of household soap; its successor can still be bought in supermarkets and from chemists worldwide. It was developed by William Valentine Wright in 1860 from "liquor carbonis detergens", the liquid by-product of the distillation of coal to make coke; the liquid was made into an