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Old 07-23-2018, 09:55 AM   #1
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Sealing foam

On our new 5th I was going through the under body tidying things up and noticed the crappy job they did with the foam sealant.....so the plan is to remove the foam sealant and re-seal all the openings.


I was thinking of using the marine grade urethane spray foam in a can or something like Permatex RTV automotive silicone adhesive....any other suggestions welcome.
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Old 07-23-2018, 10:26 AM   #2
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Read the instructions on the can before you buy, most if not all of the spray foam cans will have to be used completely once you start using them so don't purchase a larger can than you need.
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Old 07-23-2018, 12:51 PM   #3
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Quote:
Originally Posted by Skip426 View Post
Read the instructions on the can before you buy, most if not all of the spray foam cans will have to be used completely once you start using them so don't purchase a larger can than you need.

I hear you.....I've used the stuff before and there are only a handful of places that I'm re-doing so it will be a one time thing. I'm also considering trying some RTV type automotive adhesive instead of the foam, it looks better then the foam and seals better too, plus I can get a better looking finish.
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Old 07-23-2018, 01:49 PM   #4
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I went through a similar exercise. I used Great Stuff Rodent preventer foam. I foamed openings throughout the basement, plumbing cutouts in cabinets as well as underbelly hoping to reduce the number of entry points.
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Old 07-23-2018, 03:39 PM   #5
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Its really a shame the one's spraying the foam can't hit the target, seems like more of it went to places other then the hole they are to fill....
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