Flexible Waterproof Sealant Mastic Clay (10-Pack) – Fast Mending Crack & Hole Repair Sealer for Pipes, Walls & AC Openings

Seal Any Crack or Hole in Minutes — No Tools Required 🔧💧

Gaps around pipes, cracks in walls, mouse holes, AC openings — this flexible sealant mastic clay handles them all. Just knead, press, and shape. It bonds to virtually any surface, cures waterproof, and stays flexible so it won't crack or shrink over time. No caulking gun, no mixing, no mess.

What's Included

• 10 × Individually wrapped sealant clay bars
• Each bar: approx. 100g
• Color: White (paintable once cured)

Key Features

• Waterproof — fully cured seal prevents water leakage around drains, pipes, and joints
• Fireproof & heat-resistant — safe for use near heating pipes and appliances
• Highly flexible & moldable — kneads like clay; shape it to fit any gap, hole, or irregular surface
• Strong adhesion — bonds to concrete, ceramic, metal, plastic, wood, and more
• Anti-insect & draft seal — blocks insects, wind, and moisture from entering through gaps
• No tools needed — hand-apply in seconds; no caulking gun or mixing required

Widespread Uses

• 🧱 Wall holes — seal cable entry points, anchor holes, and surface cracks
• 🐭 Mouse holes — permanently block rodent entry points
• ❄️ Air conditioning holes — seal around AC pipe openings to block drafts and insects
• 🚧 Conduit & pipe gaps — fill around through-wall pipe openings
• 🔧 Cracks — repair floor, wall, and ceiling cracks
• 🏭 Industrial connections — seal joints and connections in construction and maintenance

How to Use

1. Clean & dry the surface to be sealed
2. Knead the clay bar until soft and pliable
3. Press & shape around the gap, hole, or crack
4. Smooth the surface with a damp finger for a clean finish
5. Allow to cure fully before exposing to water

Color: White. Weight per bar: ~100g. Pack of 10. Suitable for indoor use. Ensure surface is clean and dry before application for best adhesion.