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CNKS 11-19-2012 18:07:53 216.144.104.128 Report to Moderator

Epoxy can serve as a sealer, but on bare cast you don't need a sealer, there is nothing to seal. You DO need the 170 as a primer that adheres to both the metal and the surfacer or topcoat that is put over it. 182 is the sandable surfacer, do not use it as a primer, put it over the epoxy. The booth you mention is more about keeping paint dust from getting all over your shop. For any results you need high speed fans. HOWEVER, your fans are not explosion proof, and if you get a spark you could have an explosion/fire. I know people use them, but I don't. I have two explosion proof fans ($$$) in the wall of my shop that do help because they were made for the purpose. Unless you have a professionally made booth your filters won't do much. Before I moved to my current property I had a pretty good homemade booth with filtered air. All it did was keep my shop clean, it also took up a lot of room so I did not put one in my current building. [Reply]   [No Email]