Type: Posts; User: ruccha
Thanks to all who answered! I'll get them sealed up!
Thank you. What do the plugs look like? (I'm wondering if they are around somewhere in the basement with the extra tile, etc. that previous residents left here.)
I've just moved into a new house, and the ductwork in the basement has a bunch of 1" (or so) diameter holes in the bottom sides of the ducts -- they are usually at the ends or at junctions of ducts. ...