redoakneck
Pinnacle OPE Member
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I have never used a vapor barrier in that instance.
Wind running through it should keep it dry.
Thanks, kinda what I thought since not a heated or ac building, just didn't want to see the metal get messed up from pressure treated wood . I know that I don't need pressure treated wood because it should stay pretty dry under the roof, but I have those wood/ carpenter bees that invade soft pine pretty bad
Never heard of this....what does treated wood do to painted metal? Ive been attaching steel electrical enclosures, panels and meters to treated wood for 20 years...
Sounds like he’s using plywood, then sheets.If you are concerned, buy a couple rolls of zip system tape and tape the top of your purlins.
And make sure your screws are rated for treated lumber.
Sounds like he’s using plywood, then sheets.
If you wanted, felt paper is cheap
I have no idea, sounds like it isn't an issue???
X2 what he said. All else fails use flexseal. Im mean they put a screen door in the bottom of a boat.........it has to workThe screws not being rated for ACQ lumber would be a greater concern than the painted metal to treated lumber issue. FWIW, the treated wood I used for facia boards on a small shed are getting eat up by carpenter bees as well. Also your dead load weights will be greater with treated. I would use #2 pine for everything except posts and bottom wall purlins if you are siding it.
It'll be fine. Steel polebarn siding is screwed to a treated bottom skirt board on most pole barns. I've never seen an issueWasn't going to use any plywood, steel roof on 2x4 horizontal pressure treated .
Thanks for the tip on special pressure treated wood screws!!!