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General => General Forum => Topic started by: dougpete on March 24, 2010, 06:14:13 PM

Title: What to use between concrete foundation wall and mudsill?
Post by: dougpete on March 24, 2010, 06:14:13 PM
Anybody know the best thing to use between the top of the concrete wall and the mudsill?  I have seen the thin rolls of foam, but did not know if that is the best option.

best regards,

Doug
Title: Re: What to use between concrete foundation wall and mudsill?
Post by: MikeT on March 24, 2010, 08:04:33 PM
I used that foam gasket but then I also filled in with spray foam stuff where I noticed there was air infiltration....I will likely do a once over again with the spray foam but use one of those thermometers that can identify small and focused changes in temp---I can't recall the name right now but I have one and like it.

mt
Title: Re: What to use between concrete foundation wall and mudsill?
Post by: Redoverfarm on March 24, 2010, 08:35:40 PM
Doug that is pretty well standard.  It compresses where it needs to and allows it to stand up in lower places where it dips "Supposeably" to fill the area.  I have used it several times and with the same results as Mike.  I am not sure if a heavy bead of caulking midline may assist under the foam but I don't think it would be harmful.  If you mention it to the foundation industry they say " Your foundation was not smooth or level" .

You might check to see if there is a heavier gauge.  Like everything else there is several different grades. If my memory is correct that is about 1/4" thick. 
Title: Re: What to use between concrete foundation wall and mudsill?
Post by: dougpete on March 25, 2010, 09:54:07 AM
Thanks for your thoughts - thinking more about it I will probably use both the gasket and caulk as well. 

Doug