Related Clues:

• Deck application
• Securing ring
• Builders' material is transported round a US city
• Finish protector
• Saw her storm out of the launderette
• Proofing agent works, though not initially, under water
• Sealing device for cleaner
• Material blocking leaks
• Area of water left worker needing material for fixing leaks
• Leakage preventer
• Two animals closer?
• It stops worker going on main line
• Blubbery creature atop insect creates sticky stuff
• Excited as leant closer?
• Neighbor of a nut, perhaps