Related Clues:

• It helps to pave the way
• Stuff to 6 Down with
• Material for a road or roof
• See 60 Down
• Sealer's stuff
• Paving goop
• Sealant stuff
• Road-crew supply
• Grizzled sailor
• Pothole-filling stuff, often
• 10-Down substance used in roofing
• Nautical sealant
• Smoker's concern
• Hull sealer
• Water dog