Fusor 121 & 124 are designed for sound deadening, sealing & filling of the door skin to the crash bar, truck panel or hood support, and the gas tank void area.

• Void-filling foam.
• Matches OEM sound-deadening foams.
• Retains its memory with no shrinkage.
• Expands to 10 times its size.
• Will not absorb moisture or cause corrosion
• Paintable in 10 mins