Related Clues:

• Salts at sea
• Patches up, as a road
• Blackens, as a road
• Works on a route
• ''Pinafore'' crew
• Uses roofing material, say
• Blackens, as a 46 Across
• Roof sealers
• Applies a viscous substance to
• Blackens with goo
• Blackens, as with goo
• Road materials
• Road-surfacing substances
• Covers, as a road
• Paves over