Texas Jet Boat Fiberglass Repair

Questions about boat repairs with our resins and fiberglass: hull patches, transoms and stringers, foam, rot etc.
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Texas Jet Boat Fiberglass Repair

Post by Jeff » Mon Aug 22, 2016 10:09 am

All, the following came through our email system. A Forum member is going to start the repair of a 1970's era Jet Boat. Please review and see how we can assist him in the repair!! "In the pic with the tape i drew some lines to indicate the center of the hull. in another pic i put lines to indicate what i think is the area that have this foam. I'm not sure this is foam but it still might be. it is very dense. i think it is about 1/4" thick, what ever it is. i used a small wire wheel on my drill and scraped some away, as you can see in the pics. it is just on the sides of the peak. i'm positive it goes the hole length of the hull"

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Re: Texas Jet Boat Fiberglass Repair

Post by bateau-webmaster » Mon Aug 22, 2016 10:17 am

It looks like Faux wood veneer over foam. Can't say for certain without closely inspecting it.
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Re: Texas Jet Boat Fiberglass Repair

Post by jacquesmm » Mon Aug 22, 2016 11:20 am

It is weird.
If it is very hard, then it can very well be some filler like silica.
Let's see if I understand well.
Form the outside, you have:
- paint or gelcoat
- foam?
- a hard filler
- then the inside lamination
Correct?
If yes, you must identify the foam and the filler.
How soft is that foam? Like insulation foam?
Or dry Bondo? Or soaked Bondo?
Is it wet?

In order not to take a chance with a guess, you could grind it all off and then build up with fiberglass and epoxy.
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Re: Texas Jet Boat Fiberglass Repair

Post by Cracker Larry » Mon Aug 22, 2016 11:48 am

Use a large hole saw and take a core sample, that will tell you what you've got.
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Re: Texas Jet Boat Fiberglass Repair

Post by Lucas H. » Mon Aug 22, 2016 1:06 pm

Hey guys. This is my boat. I'm willing to chisel some off to send if I need to. To best describe this stuff it's hard and looks like foam. It might be something else. Remember this boat has been outside for 20 years sitting on the ground. No trailer. I'm trying to figure out if I can just rough it up and glass over it, then paint.

Lucas

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Re: Texas Jet Boat Fiberglass Repair

Post by jacquesmm » Mon Aug 22, 2016 1:41 pm

The words hard and foam conflict in my mind. :doh:
Do you say foam because it is light or is it somewhat soft?
It could be a light filler like glass bubbles.
Yes, you could send us a sample.
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Re: Texas Jet Boat Fiberglass Repair

Post by Jeff » Mon Aug 22, 2016 3:45 pm

Lucas, yes, get us a sample and mail it to Boat Builder Central, ATTN: Jeff Morrow, 1360 SW Old Dixie Hwy, Suite 103, Vero Beach, FL 32962. I will confirm back to you as soon as we receive and figure out what we think the material is made of or from!! Jeff

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Re: Texas Jet Boat Fiberglass Repair

Post by Lucas H. » Mon Aug 22, 2016 7:36 pm

Ok, I will try to get that sample tonight. How big a piece. Size of a quarter ok.

Luke

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Re: Texas Jet Boat Fiberglass Repair

Post by Jeff » Mon Aug 22, 2016 7:38 pm

Yes, the size of a quarter is fine. Just see if you can get to the bottom of the foam. Jeff

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Re: Texas Jet Boat Fiberglass Repair

Post by Lucas H. » Tue Aug 23, 2016 4:30 pm

jacquesmm wrote:The words hard and foam conflict in my mind. :doh:
Do you say foam because it is light or is it somewhat soft?
It could be a light filler like glass bubbles.
Yes, you could send us a sample.
I think you might be right on this. The samples are on the way. Should be there Friday from UPS.

Luke

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