I have a main trunk supply line that is round and 16 inches in diameter. My
return line is also that same size. I am thinking about wrapping the ducts
with r-13 and using a black or clear plastic from Lowes to wrap on top of
the insulation as a vapor barrier. My ductwork is in a crawlspace. I really
don't think the kraft paper faced insulation is a good idea due to fire/et
I know I can buy special insulation for ductwork, but it is more expensive
and does not give as high of an r-value.
Is this advisable/doable? If so would you use clear or black plastic?
Thanks for the help!
No, no, no. If you use clear it will be invisible and if he is crawling around down there he'll run the risk of bumping his
noggin because he won't see it. What would you do if I wasn't there to keep you on the straight and narrow?
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