Thinning Body Filler
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Junior User
Joined: Oct 2000
Posts: 83
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Thinning Body Filler
Is there a way to thin body filler (Bondo, MicroLite, etc) for a final coat to fill sanding scratches? The last coat of drywall mud has a little water added to smooththe finish, so why not with filler.
Has anyone successfully tried this? Thinner, Mineral Spirits, etc???
Has anyone successfully tried this? Thinner, Mineral Spirits, etc???
Admom
Joined: Feb 2001
Posts: 9,414
Likes: 201
From: Silver Springs
Thinning Body Filler
I've never tried adding any chemicals.
You don't need to thin it. Just don't add as much hardener to it and it will stay softer so you can work with it longer to get a thinner finish. You'll still need to sand it smooth.
You don't need to thin it. Just don't add as much hardener to it and it will stay softer so you can work with it longer to get a thinner finish. You'll still need to sand it smooth.
Laughing Gas
Joined: Jan 2003
Posts: 1,019
Likes: 2
From: Georgetown, Ky
Thinning Body Filler
Dont thin, doesnt like that much. Use polyester putty, or glazing compound. Currently we are using a product from Keystone, called Flo Putty (works good in cooler temps). It will fill all the pinholes that are inharent to bondo, if you take a blow gun and blow the bondo off and look closely you will see them, you dont need much of the floputty, just barely wipe it over the top then wipe most back off.
Sorry, if you put more/less hardner than recommended by the mfg'r to either make it cure slower/faster, you run the risk of it not setting properly and maybe cracking or something like that.
Sorry, if you put more/less hardner than recommended by the mfg'r to either make it cure slower/faster, you run the risk of it not setting properly and maybe cracking or something like that.
Senior User
Joined: May 2002
Posts: 301
Likes: 1
From: East Texas
Thinning Body Filler
Originally posted by sasha98
Is there a way to thin body filler (Bondo, MicroLite, etc) for a final coat to fill sanding scratches? The last coat of drywall mud has a little water added to smooththe finish, so why not with filler.
Has anyone successfully tried this? Thinner, Mineral Spirits, etc???
Is there a way to thin body filler (Bondo, MicroLite, etc) for a final coat to fill sanding scratches? The last coat of drywall mud has a little water added to smooththe finish, so why not with filler.
Has anyone successfully tried this? Thinner, Mineral Spirits, etc???
I would use spot puddy after primer to fill imperfections/pin holes.
That would be the easiest.
over and out
gseeders
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Junior User
Joined: Oct 2000
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Thinning Body Filler
I called Martin Senour, who makes NAPA's Micolite. They said the solvent in the product is Acetone and I can thin the product 5% with lacquer thinner.
Thanks for the other answers and hope these can help someone else.
Thanks for the other answers and hope these can help someone else.
Admom
Joined: Feb 2001
Posts: 9,414
Likes: 201
From: Silver Springs
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Posting Guru
Joined: Aug 2002
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From: clementsport canada
Thinning Body Filler
when i used to work for a fiberglass outfit, we used a marine grade filler for our plugs and moulds, to thin it for the final work, we just added a little acetone, worked fine for that, then a few coats of sanding primer and we were in business
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Laughing Gas
Joined: Jan 2003
Posts: 1,019
Likes: 2
From: Georgetown, Ky
Thinning Body Filler
Recently discovered by accident (setting filler ontop of kerosene heater) that if you get it really hot.. its really thin. now as it cools it gets harder but it works... Still easier to use finishing putty
Post Fiend
Joined: Jan 2002
Posts: 5,859
Likes: 7
From: USA
Thinning Body Filler
Man that sounds like an accident waiting to happen Scott !
Filler on a heater BOOM!
please becareful !
Rich
We all have done those kinds of things !
yes rather than thin filler use the products available as stated .
Filler on a heater BOOM!
please becareful !
Rich
We all have done those kinds of things !
yes rather than thin filler use the products available as stated .
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