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Sealant for perimeter insulation gap

2000xpsd

Well-known member
Joined
Feb 25, 2013
Messages
69
Location
SE Mass
Just poured my floor, it has 1" insulation around the perimeter on the inside. Its cut a little below the top of floor so I was going to fill it to finish height. Any good products out there to do so...maybe something that's not in chalking tubes?
 
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Cave Creek Ray

Well-known member
Joined
Mar 8, 2015
Messages
383
Location
North Central Arizona
Just saw this...

I used a product for my last paint job that worked really well. Home Depot has a rubber joint sealer that comes in a big squeeze bottle. Its gray and thick and wipes up well. My 4+ car garage took 4 bottles to seal up the edge along as well as the crack joints running across the slabs. It stayed flexible and the paint stuck to it very well. It takes a week to fully shrink and cure but the result is a nice uniform recess line that even trolley jack wheels cannot get to. Check there, I think they still carry it. It was in the concrete section.
 
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2000xpsd

Well-known member
Joined
Feb 25, 2013
Messages
69
Location
SE Mass
Just saw this...

I used a product for my last paint job that worked really well. Home Depot has a rubber joint sealer that comes in a big squeeze bottle. Its gray and thick and wipes up well. My 4+ car garage took 4 bottles to seal up the edge along as well as the crack joints running across the slabs. It stayed flexible and the paint stuck to it very well. It takes a week to fully shrink and cure but the result is a nice uniform recess line that even trolley jack wheels cannot get to. Check there, I think they still carry it. It was in the concrete section.

Quikrete crack sealer???


http://t.homedepot.com/p/Quikrete-1-Qt-Concrete-Crack-Seal-864000/100318507
 

Cave Creek Ray

Well-known member
Joined
Mar 8, 2015
Messages
383
Location
North Central Arizona
2000,

That's it! The stuff stays flexible (at least for ten years) and I never saw any pull-away or cracking anywhere. Like I said, it shrinks so if you fill up the joint an "RCH" short of being full, it will shrink back a little and protect itself from contact damage. Though, against a wall as in your case, this shouldn't be an issue.
 
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