Materials that protect from cold air or noise coming through cracks or openings are this

Answer of Word Craze Materials that protect from cold air or noise coming through cracks or openings are this

This is a tricky question of Word Craze which last appeared on Level 1746. Meanings or answers can change from time to time with each game update if you noticed a change on the answer of this clue please do let us know by commenting below so we can fix it A.S.A.P.
The solution below is:

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