Hi all, getting ready to drywall a residential job, it’s been a long time since I did anything but trim…homeowner is going to use blown in insulation in the ceiling joists…I can’t remember from the last time I did any framing if you put solid blocking at the wall plates to keep the insulation from spilling into the soffits, or is there a product you can staple in place (like the ones used on the underside of roof decking to keep an airway)????thanks for any help….
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A lot of guys just use pieces of fiberglass batts. Pieces are cut to go from the top plate to the under side of the roof. The fiberglass conforms to the profile of the 'propa-vents'. Those are the foam pans that are stapled up to the underside of the roof. They should extend beyond the fiberglass a few inches but not against the fascia.
Beat it to fit / Paint it to match
Wish I had the staple-in shields when I added-on to my house. The time sure would have been before the roof decking went on. Now it is almost impossible to do the low crawl from the inside to get toward the eaves to use anything to prevent blown-in insulation from clogging the vents.
Birds liked to fly up under where the eves were going to go and then into the attic. I thought I could just take some short lengths of FG, fold 'em and poke things into place between trusses to block the birds off.
One nice warm day I was in the attic (dumb) and poked out one of the pieces of FG. Couldn't believe the rush of air cooling off my sweaty face that came through that one unblocked truss. Made me believe in venting! Tyr
What Hammer said is what's commonly done around here -
Proper vents and then some fiberglass batts stuck in.
I wouldn't call them "bird blocks", as virtualy all soffits are enclosed around here.
A right to property is founded in our natural wants, in the means with which we are endowed to satisfy these wants, and the right to what we acquire by those means without violating the similar rights of other sensible beings. [Thomas Jefferson]
I wouldn't call 'em bird blocks either, but that's the term I remember from back in the old days....Surprising no one makes a combo vent & block for that application, since the current trend seems to be towards blown in attic insulation....
I ended up using the plastic leaves grills for gutter and stapling it under my eaves.