Related Clues

• Chimney wall deposit
• Coat on a tie
• Wood preservative
• Flue deposit
• Flue residue
• Wood perservative
• Piling coating
• Tucson shrub
• Chimney cleaner's target
• Oily wood preservative
• Wood preserver made from coal tar
• Oil broken-down scooter with last of lube
• Oily liquid for preserving timber
• Wood preserver
• Protector of wood that's vast and old in part of Greece
• Oily liquid makes engine start in faulty scooter
• ... Tarry - stuff could be in the post
• Liquid wood preservative
• Coat on a tie?
• Spray trees with carbon dioxide as a wood preservative