So. Mark used construction adhesive meant for Styrofoam to attach the insulation to the underside of the shed. It says right on it that this is the product for the job.
So why are two panels now lying on the ground UNDER the shed after a week or so? Will they all let go? As you can see in the second photo, they made good contact, originally.
It wasn't a pleasant job, putting them up under there in the first place, I know. Guess we contact the lumberyard and ask if they have any brilliant ideas...or the adhesive manufacturer. Not thrilled here...
based on the photos, it looks like in some cases the foam failed and in other cases that the wood failed. this suggests that either the surfaces were not clean and dry when the adhesive was applied, or that the floor is flexing...or a combination of the two.
ReplyDeleteSounds reasonable...though both pieces of insulation show the little melted indentations. Is that how the adhesive is supposed to work?
ReplyDeleteBill says you still have to use screws to hold it in place while the glue sets (which can take up to a week in DRY weather).
ReplyDeleteAh...well, maybe that's it! It sure has not been dry, has it...
ReplyDeleteI was hoping glue or screws had been used to hold it as well as the glue, but it appears not. Meh! Thank Bill for us!
As Col. Shultz used to say--I know nothing! ;)
ReplyDeleteHere's a thought...Instead of using screws, why don't you purchase the small wire supports like you would use with fiberglass insulation. Then once you re-glue and place the foam insulation back against the sub-floor. You could install the wire supports and they could hold the foam sheets in place while the glue dries. The wire supports work by grabbing hold to the sides of the floor joist and then arching upward, applying pressure to the foam sheets to hold them in place. This would be much easier to install.
ReplyDeleteThanks, Mike, great idea! So these just kind of spring into place? Will check it out...
ReplyDeleteWhat fun! I was just going to mention putting some screws in to help hold it in place but it's been mentioned already. If it melted the foam I wonder if it didn't work because of that. Foam is like marshmallows. When melted it shrinks a lot and would pull away from the surface I'd think. Regardless, you will get it done and the problems worked out.
ReplyDeleteI wondered too--that was my first thought, but rats, the adhesive we used was designed exactly for this purpose! Might be dampness and gravity, I think Mike's idea sounds like a good one!
ReplyDeleteoooooh... I'm enjoying those links! I don't need one, but I want one!!
ReplyDeleteAren't there some great ideas out there? Truthfully, I didn't really NEED this (right now), either. I needed it a lot last year though, so I know I'll be very glad to have it.
ReplyDelete