Ok is there a body filler that is truly waterproof and wont absorb moisture? When hanging partial quarters or welding in patches, even after doing full welds it is hard to make sure every part of a seam is filled, so when filler is applied some is exposed to air from the back. I have had to repaint cars that were fine other than where filler had bubbled up around old patch seams, or other repair seams. I especially see this on the corners of doors, where you know water is going to get into the door shell and bring out any filler. Just what do you use over these seams that will NOT come back to haunt you later?

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Dave (NY)
70 chevelle ss396 conv
66 chevelle ss396 hdp/conv
72 chevelle
TC member #493
Never forget Earnhardt!

I like to use dura glass over patches, welds, etc. when doing floor pans and quarter seams. Dont know if its water proof but works for us. NAPA also has there brand of filler thats almost like the dura glass brand. Either work.

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Micky Hale Restorations
69 L-89 Chevelle
68 Biscayne 427/425
34 Plymouth Drag Car
ACES #134
www.mickyhale.com (http://www.mickyhale.com)

I have seen NAPA's 6369 or 6371 (both waterproof) do some amazing things on cars in towns right on the coast of California by the ocean. A lot of people live by this stuff. It is made bny evercoat you can also get it under that label by the name of "Kitty hair" or "Tiger hair".

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1965 Buick Gran Sport Convertible
1965 Buick Skylark H/T
"Fan of most anything that moves human beings"

Another option is Por-Patch. This is a thick version of POR-15 Rust Preventive Paint. When dried, Por-Patch is live a weld that prohibits rust. I've used it on so many things that I've lost count. If you need more info, you can contact me directly at 800-225-7422 or click on the link below.

Glenn

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www.por15cr.com (http://www.por15cr.com)

Great! Now with these products are they just a first layer of filler; that is do you rough sand it and then skim coat with regular filler or can these products be finish sanded with 220?

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Dave (NY)
70 chevelle ss396 conv
66 chevelle ss396 hdp/conv
72 chevelle
TC member #493
Never forget Earnhardt!

Yes,first coat,and then coat with regular filler and finsh it off.its hard to sand the fiberglass fillers to a smooth finish.

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70 chevelle,400cid turbo400.blue with silver stripes.
www.members.spree.com/entertainment/ochrisl/

Use another filler for the finish after. The stuff does sand a bit harder than the normal lite fillers.

I have used these fillers from the top to bottom, but ther are a little harder. NAPA's 6369 (Evercoat "Kitty hair") or Evercoat "Metal To Metal" can be feathered out pretty easy.

But as the other guys said, it is much easier to "glaze coat" it with some "iceing" or something like that.

If you are using a Polyester primer, you don't need to "glaze coat" it of course. http://www.chevelles.com/forum/smile.gif

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1965 Buick Gran Sport Convertible
1965 Buick Skylark H/T
"Fan of most anything that moves human beings"

I use PPG K200 primer surfacer, still need a glaze coat with that primer?

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Dave (NY)
70 chevelle ss396 conv
66 chevelle ss396 hdp/conv
72 chevelle
TC member #493
Never forget Earnhardt!

A few coats of K200 will do the job.

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1965 Buick Gran Sport Convertible
1965 Buick Skylark H/T
"Fan of most anything that moves human beings"