1 part epoxy primer and more primer..

grassy said
Folks,

I will be putting my car on a rotisserie this spring and having it soda (or vapor) blasted to find out how deep of a hole I have dug for myself :). There is a coating they spray on it afterwards to prevent flash rusting for about 5 days.

I intend to seal the whole car with 1 part epoxy primer then get to the bodywork. Not sure how long that will take. I am hoping not more than a month or 2.

My intentions are to spray the wheel wells with truck liner (or some sort of protective spray) then spray primer, couple coats of the colour than a few of clear. This is for the underside only.. I will let a pro do the outside.

Do I need to scuff up the underside before I put on the primer if it is a couple months later ?

Can I spray clear with a 1.4 needle ? .. or do I track down a 1.3 needle.

Thanks

This all depends on what kind of media they use to blast the surface. Some heavy grit media will leave enough tooth for the epoxy to stick. If it leaves a smooth surface you will need to degrease it very well, sand and then apply the epoxy.

Check with your paint supplier on epoxy coatings. Some are NON SANDING and sand or scuff like bubble gum no matter how long it has been cured. Some newer epoxies sand like filler primer.

Your 1.4 will be fine for most products you intend on using.