Quote Originally Posted by VTECACCORD
But from what I can see I really think you should have used some 3mm mdf on the access holes taped in using the black fabric tape, and then a layer of dynamat on top of that. BTW Paint the MDF to seal it stopping it from retaining moisture, the cheap black spray paint at bunning soaks in nicely.

Just another suggestion, I think the MDF is about 6 bucks a sheet, and if you need a jig saw you can borrow mine, i live close to the hills district, or you can pic one up at bunnings for 30 bucks
i originally planned to cover the access holes with 6mm MDF, however the access holes aren't flat so i figured it would have been much more trouble than it was worth. hence i tried the aluminium + dynamat + ensolite combo which was moldable, but didn't really make much of a difference.

in the near future however, i plan on filling the plastic door trim with a sound-absorbent material that will lightly press against the ensolite i currently have over the access holes - i think this should be enough, without hampering access to the inside of the door too much should the need arise.

also, the cloth tape (which i also bought at bunnings) simply does not hold up inside the door consistently.

that said, i am still open to suggestions on how to properly seal those large and uneven access holes!