jimskid
02-08-2008, 04:54 AM
I'm going to teach myself and was hoping to get some tips from others who have done it or do it for a living. I have what I think is most the tools needed, just a few things I'm not expert at so why not ask for little help. :cheers:
getavette
02-09-2008, 05:11 AM
I have 2 year technical degree. I have also done it for a living. No more.The hazard of paint fumes and dust,not to mention no air in summers, turned me off to it. What do you need to know? About Bondo,or fiberglass mesh to use with resin? Nothing looks worse than a do-it yourselfer,trying his hand at making a bad job look worse. Here goes...First of all you have to ETCH the problem area real good, with 36 grit sandpaper, or air grinder, with same grit. Go in directions against each other to allow the glass to BOND into the scratches. Remove all existing paint in area to be repaired. If using bondo use about a table spoon of resin, along with the hardener.
The resin will help it cling to the existing glass. Using a spreader(which is a piece of plastic found at autoboby supply stores) spread a thin layer into the scratches with a little pressure to ensure it impregnates the scratches. Then add another layer. You will have about 5 min. until it sets. It's not like frosting a cake where you glob it on. It's an art. Remember, you have to sand this off later. Once it sets, DO not try to reapply anymore.You will feel it get warm due to chemical reaction. Then use a device that looks like a cheese grater, Made by 3M and various companies,They come in flat and curved. LlIGHTLY SCRAPE AREA TO SHAVE ANY HIGH spots away. ALSO work back and forth at opposite directions, like sanding earlier.. DON'T dig out all you just put in. Also this is an art. Use the palm of your hand, NOT FINGERS, to feel the highs and lows of your contours. Let it dry completely. Are you sure you want to continue this?? Let me know if you want me to go on....:cheers: I will wait for your reply. Go to library also to research.
Fly-n-C3
02-09-2008, 08:33 AM
When doing body repairs on a vette, DO NOT use the Fiber glass mesh. You will want to use fiberglass mat. The body on you vette is made with fiberglass Mat, not the mesh. With the mesh, you will make more work for yourself and the mesh is not as strong as the mat. Remeber to overlap a little past the damaged area. Fiberglass will shrink even when dry and a few heat and cooling cycles from summer can cause you to have fine lines around the damaged areas. So overlap and blend the fiberglass into the body. Fiberglassing is not a hard thing to do, but it takes a little time. So DON'T RUSH THE JOB!! I use 50-80 grit paper. Both work fine. The 30-50 grit will cut quick and dig fast into the fiberglass. So be careful!! The more scratches, dips, and waves you have, the more filling and leveling you will have to do.
After that, you will need to re-jellcoat the area that you repaired. Jellcoating will help fill in the fine lines and small pin holes in the fiberglass. Pin holes are a bear to get them all filled in. Even using a filler there can be pin holes that you can't see or are hard to fill. As i said, TAKE YOUR TIME!
What area are you needing to repair? Is it the bonding seams? If so, there will be more needed work to fit these.
I have done many glass repairs from small holes to half and full quarter repairs to reforming sections by hand. Its not an easy thing to do, but at the same time, its not to hard.
Try and find a book on doing corvette body repair. This can help you out alot and give you some pointers. Check out some of the vette mail order companys or ebay for these books. Its better to spend $30 than to make a $300 + mistake.
Good luck and we will be here to help.......:cheers: