Re: General Paint Question (I have used search)
I have someone painting my bus for me. Unless you have a ton of rust or the paint is flaking really bad, there is no need to go to bare metal and prime. You should wash it real good with a degreaser or dish liquid first. Then bring any rust areas down to bare metal and fill if needed. Then you can spot prime these areas and any other bare metal that you have. Scuff the old paint with a fine sand paper (dont know what grit) then wipe down the bus with a tack cloth to remove the sanding dust. You also may want to wipe it down again with a silicon/wax remover from the paint store. As far as paint, I used Rustoleum sprayed on the inside (same prep as outside minus the washing) but wanted something more durable and shiny for the exterior. Went with Nason 2k urethane which is a single stage paint with a good shine and good durability on top of an expoxy primer. If you are spraying outside without a clean booth, a base clear can be a real nightmare. Any little spec of dirt or bug will show up really well in the finish which doesnt happen as bad with a single stage. On top of that, the base clear requires more work since you have to spray twice, wet sand, buff etc. I didn't much care for the rustoleum (or any other air dry paint). It took days to harden up and scuffs fairly easy. The floor was painted with a cheap urethane and it takes alot to scuff or scratch it and was completely cured in a few hours.
If it comes down to $$$, the rustoleum is probably the best cheap paint that you can get.
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