When working with wood, there will always be end cuts and they need special protection. Circa 1850 Dex End Cut wood preservative is a paintable wood preservative that provides a soft brown finish. It is developed for exterior above ground use. It provides paintable protection for cut or drilled wood against rot and mildew. It is ideal for the protection of decks, fences, door sashes, window frames, cut ends of pressure treated wood and millwork.