Just moved to the Twin Cities area and I’ve noticed the roofs have square metal ventilators in various parts of the roof, even on reroof jobs. Is there any reason why I shouldn’t use soffit and ridge vent like I’ve always done? Thanks
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are they vents for the roof or a vent for the bath?
That's a possiblity but I don't believe they are bath vents unless they have 3 or 4 baths. I'll try and post some pics later.
Nope, soffit and ridge is usually the best, soffit and thru roof (aka off-ridge etc) are pretty typical, but stay with the ridge
oh boy, here we go. . .Steelkilt Lives!
Didn't P f say you can use drywall screws to put the vents in? Let the thunder crack and the waves roar.
We're going on.
Yes. Just don't hang the cabinets with them. ;-)
LOL
only if they're galvanized.
Excellence is its own reward!
There are only a few reasons to opt for the pot vents you describe seeing over a continuous soffit-to-ridge vent.
Because you want a cheap, inexpensive, ugly, and ineffective system that will give you the opportunity to doubt your skills as a builder when it fails to properly vent your roof. On the plus side, the pot vents will give you an opportunity to hone your remodeling skills when you rip them out in a few years to replace them with continous soffit-to-ridge.
That is, of course, assuming that one should vent a roof in the first place...<g>
Here's a related question. I am building a new house which uses 8" SIP panels for the roof, hence no venting. My old house which is going to be attached to the new one has a 2" cedar plank ceiling covered with plywood and then shingles, no insulation, it's also a 3/12 pitch. I am going to be putting trusses over this to change the pitch to 8/12 like the new house, as well as raise the roof line to match. I was going to build up the truss tails so the same as the thickness of the SIP panels, and use a continous ridge vent so that it isn't that obvious, but I'm trying to figure out how to provide the venting at the soffit and not have it look obviously different than the new house. I guess one way would be to put 'fake' soffit on the new house, but I was just going to use cedar. I was thinking I could use a beveled cedar siding and run it so that there was an overlap of two boards. Between this overlap I would use the same mesh type fabric that I would use for the Ridge vent. If I run this backwards the fabric won't be that visible, but will I have to worry about water? And will this provide enough venting
See the attachment for a rough sketch
Robert