I have altered and sculpted a lifesize deer mannikin to display outside in front of the shop.. An eyecatcher per se.. I want to coat and texture the entire piece with bondo, then paint to appear as weathered metal.. I have the painting process figured out.. My question is what would be the best sealer to weather proof it, and will it withstand the elements? If not, are there any alternative methods I could apply?
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Bondo is "body filler". Its used to fill in dents, dings, and scrapes on automobiles. So, yes, bondo can withstand the weather. The paint on the other hand...now that's a different story. I would use a goood automotive grade paint and a sealer with a UV protectant in it.
I would not recommend this!
While bondo is used on vehicles and will withstand weather, it will only do so if it is properly sealed!
Ever notice bad bondo work that is popping or lifting from the metal underneath?
If the seal is breached somewhere and water gets behind the filler, it will be absorbed; then it will cause the bondo to swell and lift from the surface it has been applied too.
Mike is correct . Since i used to do body work in the old days if you have one pin hole , water will get in and ruin it . How about coating the whole deer with a layer of fiberglass first then the bondo . What about some kind of material they use on houses ? Stucko maybe ? Better yet , go buy a cement one . Rick
bondo and then fiberglass resin to seal the bondo?
Use a Non-Blush Marine Epoxy. TR
If you were putting bondo over a metal surface, than yes I would look for something else. The only reason bondo lifts from a vehicle is due to corrosion of the metal it is adhering to. if water gets behind your bondo and rest between the bondo and mannikin little is effected unless it freezes and expands. So make sure that your bondo is sealed. good luck, I'ld like to see your finish deer.