Answer (1 of 7): I saw a guy on use a roll of Useal instant waterproof aluminum repair tape as a cheap substitute for Dynamat and Hushmat sound deadeners which are expensive material. You can buy a 25 ft roll at Home Depot or Lowe's for less than $20 which is enough to do a whole door and
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How to reduce noise in my car - Quora
What is an inexpensive way for car sound deadening? - Quora
What is an inexpensive way for car sound deadening? - Quora
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