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Old 03-21-2016, 05:54 PM   #1
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Gray spray foam

I noticed a couple exterior areas on the frame of our TT that it looks like a gray expanding foam was used to seal some areas. Is there anything special to this foam as opposed to the Great Stuff foam that I can buy a Lowes or Home Depot? There are a couple of good size holes that were cut to run small water lines in the outdoor kitchen area. Didn't know if I should try to find the gray stuff to seal that or not.
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Old 03-21-2016, 06:14 PM   #2
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I would not have an issue with the big box stuff, while there get a can of gray spray paint and match it out....
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Old 03-21-2016, 07:07 PM   #3
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I've used Great Stuff under the camper to fill the same kind of holes. Even used it inside to fill the 4" hole the galley and bath sink drain pipe goes thru the floor . Careful, that spray foam can be a mess to work with. Don't ask me how I know this. I would suggest wearing disposable gloves and your oldest clothes. I've found when exposed to sunlight it will break down after several years. And forget about saving any unused portion, the nozzle will clog.
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Old 03-21-2016, 07:15 PM   #4
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The Great stuff is fine to use , As mentioned the sun does effect it, and can be a mess if not careful .
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Old 03-21-2016, 08:49 PM   #5
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Thanks
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Old 03-21-2016, 09:27 PM   #6
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I prefer to use the spray foam with the pest block for a little added benefit.


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Old 03-21-2016, 09:39 PM   #7
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I just picked up some Great Stuff - Water and Stone. It's for ponds and waterfalls and is Black. Haven't used it yet.
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Old 03-21-2016, 10:09 PM   #8
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Quote:
Originally Posted by tjm View Post
I prefer to use the spray foam with the pest block for a little added benefit.


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Thats a good idea. I'm also considering getting some of that copper mesh to place over the hole before I cover it with foam.
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