Originally Posted by JFNM
I have the same issue Charlie. My cap seems to have an inner liner. Did you place the insulation between the cap and the liner or is it (the insulation) exposed to the inside?
I put the insulation up against the fiberglass cap the best I could. Used a yard stick to push it behind the cabinets to the left and right of the TV. It's not the best, but better than nothing. It's hidden from view by the cabinets and TV enclosure.