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he guys, im trying to bob my hard top this weekend. I have read the article by 4rnrRick,(and used the search button) and it doesnt seem that difficult. My problem is that i have no experience with fiberglass. i THINK i need to get the "screen-like" strips and some resin. then i THINK i keep layering the resin/screen/resin/screen/... is this correct? Rick and some others claimed to use plastic filler for the exterior. what is plastic filler? thanx for the help.
 

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It's just like bondo for fiberglass.

Rick's top has started to crack due to the extreme flexiness of the runner. he's started to contemplate Can-Back. Basically, we twisted the runner up so hard with the top on that it started to crack through the inner mesh fiberglass and through the outer fiberglass filler. oooops....oh well...

Stuff happens when you start twisting your body/frame/etc. For example, I can't get my front window to seal worth a piss because of flex. The window frame pulls away from the window rubber at full twist. Price we pay for twist.

[ 10-12-2001: Message edited by: Wheelie_Pete ]
 

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Does yer dewg bite?
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I bobbed my campershell and used to fix my surfboards.
make sure that you sand and really clean the area yours fiberglassing.
You'll need some fiberglass cloth, fiberglass resin, and hardener. Do it when it warm out so the resin will cure. If you add too much hardener the resin will get rubbery. If you add too little it will not dry.
After you cut the top line it up and clamp it together. Lay out the cloth over the cut section and pour the resin over it. Then put some more cloth over it after the resin is absorbed. You'll need to do the same on the inside of the top.
If you put enough glass on the top it will NOT break. This shit is really strong!
Call me if you need help <IMG SRC="smilies/smile.gif" border="0">

Now GET IT! <IMG SRC="smilies/skull.gif" border="0">
 

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Originally posted by Vova: Lay out the cloth over the cut section and pour the resin over it. Then put some more cloth over it after the resin is absorbed. You'll need to do the same on the inside of the top.
If you put enough glass on the top it will NOT break. This shit is really strong!

Also make sure that you use a fiberglass roller to get all of the air out after you lay it on. If there is air in between the layers it won't have any strength. I prefer to wet the fiberglass cloth down on the bench first and then laying it on. It's a lot less messy than pouring resin over it after but whatever works. Two or three layers (depending on the thickness of the mat) should do it. The plastic filler (bondo) on the outside is only to smooth it for painting, it doesn't have a lot of strenght.

Tass
 
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