sound deadening!!!

any idea how much weight and how long it would take me to sound deaden my WHOLE car in every possible place???? what about an approximate cost to have a place do it?
thanks,
brian

I purchased one roll of RAAMAT60. 54 sq. ft. total I believe. So far I've done put one layer all around my trunk including lid. One layer one each rear door and 2-3 layers on both front doors. Next comes my whole floor! Nah J/K.

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1990 Mercury Sable 3.0
Front Strut Tower Brace
Subframe Connectors