Great Stuff
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Elder User
Joined: Sep 2002
Posts: 948
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From: McAlester, OK
Great Stuff
I've seen this stuff used to fill in the gap in the metal right over the front windsheild and thought "What a great ideea." But then the other day I met a guy with a rusty tailgate on a beater that he had that he filled with the "great stuff" to stop the rust.
It makes me wonder if this stff is really good for something like that. Does anyone know if this stuff traps moisture? I've gotten some on my leg and had to let it grow off it bonded so well. Any comments on the use of it over rust or bare metal? any of you guys use this stuff?
Clayton
It makes me wonder if this stff is really good for something like that. Does anyone know if this stuff traps moisture? I've gotten some on my leg and had to let it grow off it bonded so well. Any comments on the use of it over rust or bare metal? any of you guys use this stuff?
Clayton
Posting Guru
Joined: Jul 2001
Posts: 2,119
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From: Southern New Hampshire
Great Stuff
Gee, that 85 F150 I was given has a rotted tailgate, what a great idea!
Ive used GS to fill in all the holes in my house foundation and it works super. Stops critters from coming in and even chipmunks wont eat the stuff. No problems with water either.
Oh, yeah, the foundation is 1836 fieldstone, this hyah is New England rural country!
Ive used GS to fill in all the holes in my house foundation and it works super. Stops critters from coming in and even chipmunks wont eat the stuff. No problems with water either.
Oh, yeah, the foundation is 1836 fieldstone, this hyah is New England rural country!
Postmaster
Joined: Mar 2000
Posts: 3,730
Likes: 13
From: Waynesville, OH
Great Stuff
Standard Great Stuff is, for the most part, a closed-cell foam. It also has nearly 100% adhesion at the individual cell level. That means it makes a very good air and water sealant for most materials, including most metals. I have never used it in automotive applications, although it is rated for temperatures from -40F to 240F.
The biggest issue is, you have to put in on in thin enough layers that it will fully cure. Even the Great Stuff designed for big gaps isn't designed to fill 2" cavities.
Go to Dow's web site and ask them. I've done it before with various manufacturers and got very good answers as to whether a product will work for my application, and even special instructions on how to use it.
The biggest issue is, you have to put in on in thin enough layers that it will fully cure. Even the Great Stuff designed for big gaps isn't designed to fill 2" cavities.
Go to Dow's web site and ask them. I've done it before with various manufacturers and got very good answers as to whether a product will work for my application, and even special instructions on how to use it.
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