There are
also products like rubber
isolation mounts specifically designed for soundproofing that can be
used in areas like under doors. If there is a window in the room, you may want
to consider if you actually have to continue using the window, as glass is not
very good in blocking sound.
Deal locally to avoid scams and frauds! Avoid sending money to unknown persons. Muamat.com is not involved in any transaction between members and take no responsibility of any kind of loss or damage.