Related Clues:

• Make watertight
• Make leakproof
• Sealing material
• Leak fixer
• Make airtight, in a way
• Stop up, in a way
• Filler for a gun
• Make watertight, in a way
• Work on a joint
• Fill the crevices of, as a window frame
• Seal a crack
• Create a seal
• Tub sealant
• Crack filler
• Render airtight