Related Clues:

• Outdoor sealant
• Roofing goop
• Roofing substance
• Salt?
• Macadam ingredient
• Seafarer
• Paving gunk
• Smoke solid
• Finish (a parking lot)
• Driveway covering
• North Carolina river
• It's all over the streets
• Sailor, slangily
• La Brea stuff
• Roofing supply