Well, I cannot access my prior thread (blank screen!) so trying to start a new one.
One last (hopefully) question on the siding - is this look normal on the inside. Thinking the panels may have not been a "perfect fit" (haha...in so many ways!) and thus there is this slight gap.
It looks pretty good on the outside.
Next item to be addressed is the insulation. Obviously, there was no insulation where we removed the AC unit. The insulation that is between the studs and the metal has a plastic inside "lining" facing the inside and is over all the interior of the whole shop (walls and roof/ceiling).
Do I need to find some of this to place into that open area where the AC unit was? Can I replace with another type of insulation...and if so, do I need to add a plastic over that as a "vapor barrier" or would that be detrimental? I don't want to cause any mold issues give I've already had to clean up some potential mold in areas with the water damage.
Note that there is also paperback insulation that was added between that exterior insulation and the OSB wall.
Anyway, just another situation where I don't know what I don't know - and don't want to put in a patch that ends up causing more issues down the road as this will be hidden behind an OSB "wall" to match what is already used in that room.
Barb, the plastic lining on the inside is a vapor barrier. Since you’re in cold weather country, you want the vapor barrier between the warm heat (inside) and in the insulation. That keeps moisture from migrating from inside into the insulation. From inside out, it would be something like: wall board/gypsum->vapor barrier->insulation->exterior shear->tyvek house wrap (to keep outside water off the wooden exterior shear)->exterior metal cladding.
Hope that makes sense! Overlap all the barriers by a min of 6 inches.
Ryan/// ~sigh~ I blew up another bowl. Moke told me "I made the inside bigger than the outside".
There is no house wrap on the building (just a pole barn). Right now, in that walled off section, from inside out it has OSB, paper backed insulation, then the plastic back insulation, and finally the metal panels. Not sure if I'll be able to find that plastic backed insulation for the small missing section where the AC unit was pulled out. Can I use some other type of insulation against the metal, and then try to slip in some plastic for a vapor barrier?
(Really wish I could post some pictures to clarify!)
You could probably use the foam sheet boards, just cut a few for thickness (4x8 sheets)
Would this be for the space the AC unit was? Against the exterior metal?
Trying to think how to tie in with the existing (I had some pictures that showed the questions much better 😕). Had just been brainstorming and thought to add insulation (paper back or ??) and then put a vapor barrier over that, trying to seal to the plastic backed insulation that covers the rest of the wall.
You would still want to cover and seal in the same manner as the other insulation, the vapor barrier is to isolate air movement through the wall. I mentioned the foam board as it is easy to cut and fit, but even buying a bag of standard insulation is fine, but you may end up with a lot left over.
For the vapor barrier patches, you can use most any plastic. Painting drop sheets 4+ mil thickness would work well, just seal the seams with some proper tape
That gap is probably due to the different edge rib height. If you have it sealed well on the outside, the inside gap is no problem. I would caulk it however. Any weeping from the outside should travel down and out and not inside (keep the gap open at the bottom of the panels so any water will go to the ground).
That insulation gap can just be filled with what ever and the vapor barrier taped.
That gap is probably due to the different edge rib height. If you have it sealed well on the outside, the inside gap is no problem.
Actually is between the two new panels. Guessing there was a slight width difference? The outside looks good, although I guess I could caulk it like I did between the new/old where I had to go under the old due to the ridge height issue.
Strange, they should mesh up perfectly. What did you put between them when installing?
Well, there was an old panel, then the two new, and then back to the old (where we should have gone "over" but had to go under due to the ridge height being so much higher than the new panels). This seem is the one in the middle of the white section. We didn't do anything other than putting one over the other.
You should be able to get a piece that size from any local metal building place. Or they might have a contractor that will cough up a piece. I have just gone down to places and asked few questions. Usually more than happy to give advice, or a piece of scrap.
live to tell the stories, they sound better that way
I was thinking that the thick mastic tape will leave a gap on the inside since it is, well, thick😀 No caulking or thin mastic tape will mate up almost flush.
Yeah, but when you’re done, you’ll have gained such an awesome knowledge base. Next time something like this comes up, or a friend starts talking about something similar, you’ll already be enlightened! Great job!
Ryan/// ~sigh~ I blew up another bowl. Moke told me "I made the inside bigger than the outside".
