Originally Posted by 1-12-t1
What about fiber glass resoning the sealed side? Would that at all help?
MDF is porous. Air will leak right through it. Some latex paint brushed on will seal it fine and it's very easy to work with and clean up.
Pioneer_AVH-4100NEX, Massive Audio Core-1, Cerwin Vega V600.4, CV V1500.1D, CV Stroker ST65C, CV V465 rear fill, CV VPRO124D 2.0 cu ft @ 36 Hz