On Oct 24, 10:41*am, Heathcliff
wrote:

snip

*Also for a number of reasons I'd
prefer to have the fiberglass be contained. *-- H

Buy a box of BIG can liners at Sams Club. Snip off the bottoms and
slide the resulting tube over the insulation. Use duct tape to keep
overlaps controlled as needed. Total cost maybe $10 or so. Garbage
bags are prettier but pricier. HTH

Joe