ksungela
Member
Working on a 63 corvette. Started with bare fiberglass, applied SPI epoxy, then SPI 2K. BLock sanded and had a few low spots on one door. Shot more SPI 2K and blocked again but still low. I then used some UPOL High build primer on the few low areas instead of mixing up some 2K for such a small area, and blocked again level. Applied 2 coats of epoxy(no reducer) and sanded smooth. Then applied 3 coats red BC, dried overnight. Then 4 coats of UC. After drying in the garage a few days, I moved the parts in the basement for about 5 days, then put them out in the sun today since the weather cleared up.
Looking at the parts after being in the sun a few hours, I noticed a 1" x 2" section of 1/16"-1/8" diameter bubbles. The bubbles are smaller in height near the edge of the 1x2 area. I can leave an indentation in the bubbles with the tip of a screw driver. This is the only section on the door I see this. The bubbles are only noticeable if you run your hand over the section or look at the panel with the sun reflection, so they are pretty short in height. I think this may be one of the areas I used the Upol primer, but not the only area.
Question, what do I do? Hope they go away, sand it off and re apply BC/CC, or something else?
Thanks in advance for your help,
Ken
Looking at the parts after being in the sun a few hours, I noticed a 1" x 2" section of 1/16"-1/8" diameter bubbles. The bubbles are smaller in height near the edge of the 1x2 area. I can leave an indentation in the bubbles with the tip of a screw driver. This is the only section on the door I see this. The bubbles are only noticeable if you run your hand over the section or look at the panel with the sun reflection, so they are pretty short in height. I think this may be one of the areas I used the Upol primer, but not the only area.
Question, what do I do? Hope they go away, sand it off and re apply BC/CC, or something else?
Thanks in advance for your help,
Ken
