# Material used to block leaks — Crossword Clue Answer

Last seen 2026-08-29

Answer: **SEAL** (4 letters)

Appeared in:
- Everyday Puzzles Cladder, 2026-08-29
- Everyday Puzzles Cladder, 2026-02-19
- Everyday Puzzles Cladder, 2025-10-21
- Everyday Puzzles Cladder, 2025-06-14

Source: https://cluestash.com/clue/material-used-to-block-leaks/