![]() ![]() Wouldn't you like to find the ****** who decided not to insulate exterior walls? I am sorting dealing with the same situation. You can pull the vinyl off in one strip high and one strip low and drill two holes per bay with a hole saw and have it ready for the injector to just come and inject and leave for a lower cost. ![]() ![]() If not buying the kit online, then call around prices for having it injected. The expanding injected foam you probably need a license to buy locally, you can buy online like foamitgreen for like $500 or something though but I'm not sure if you can pump that into a wall because it has a trigger handle end for shooting directly onto open work, maybe you can attach a hose to the end of it. You hit a horizontal wire or receptacle box or something and the bay clogs and you might not know it did, or the 100 foot hose clogs and is a nightmare to unclog. I highly recommend not using cellulose even though you can rent the machine at most HDepots yourself. The only thing is you better make sure you don't hit any wires screwing everything, and also all this work for you will probably only get like R 7 from foam boards and they aint cheap, you can probably for the same price but less work inject foam and get r14+ and if there are pipes in the wall, again, you will insulate on the colder side of them People drywall over wallpaper all the time or drywall over existing drywall or plaster lathe that has tons of paint coats that act as a vapor barrier. I wouldn't worry about any moisture build up. I posted to your other thread, I don't think it's such a bad idea if you are just screwing foam board to the existing studs and then drywall over that. The best way to keep a pipe from freezing is to only insulate on the colder side of it (the half of the stud bay that faces outside), but insulating both sides of the pipe is common practice and fine and also helps maintain AC in summer, but if you have real drafty siding, then you might want to only insulate the colder side of the pipe, but that usually means taking the whole interior or exterior off. Heat always moves from hotter area to colder and insulation retards this flow. Listen, if you have water pipes in these walls and insulate only on the side of the pipes that faces the inside, then you would block off all the heat the house has from getting to those pipes. You're in cold IL and subject to this problem. Wouldn't you like to find the ******* who decided not to insulate exterior walls?Īnyway, there's a frozen pipe in the one I'm dealing with. ![]()
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