If I blow cellulose into the ceiling of my basement (where the ducts run)
will there be a dust problem when the furnace is running?
The ducts are all metal, uninsulated, I cannot see if the outside joints
are sealed. It is possible to caulk or seal them from the floor register
What will keep the celolose from falling out, I assume plaster or
drywall, It is a used basement, so why insulate it. heat rises. Even
with ducts sealed with mastic and I think you will have a dust
nightmare, it can filter in around lights and cracks. Cellulose is not
for living spaces but for attics, even then people here have complained
they made a mistake as the dust migrated inside. I dont see what you
will gain insulating the ceiling, the attic to the optimal R yes, that
is usualy double of code, heat rises..
Yes, the basement ceiling is finished. Also, the entire house and attic are
airsealed, including interior wall partitions. The room in the basement is
heated independently of the room above it and will reduce heat loss by 40%
Sound control is also a consideration.
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