One roll of this weighs far less than 15 lbs. More like a pound or two. Get an early single-layer carpet to throw over it and you're still under 5 lbs.
SoffSeal SS-INSUL1 Soffseal Sound Deadeners | Summit Racing
Free Shipping - Soffseal Sound Deadeners with qualifying orders of $109. Shop Heat Barrier and Sound Deadening Mats at Summit Racing.
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