PDA

View Full Version : Cracks in gel coat


cordark615
10-18-2009, 12:29 PM
Last time my wife and i took our 90 maristar out we hit a wake that jarred the boat bad, last week when i waxed it i found small crackes in the gel coat on both sides. Does anyone think this was caused by the wake and does it need to be fixed? Thanks

Aaronhebert88
10-18-2009, 02:02 PM
Last time my wife and i took our 90 maristar out we hit a wake that jarred the boat bad, last week when i waxed it i found small crackes in the gel coat on both sides. Does anyone think this was caused by the wake and does it need to be fixed? Thanks

IMO. I don't think it was caused by the wake.. a 19 year boat is bound to have some stress cracks.. I wouldn't fix it unless it was very severe

cordark615
10-18-2009, 10:11 PM
Cracks are not that bad, it just kind of hurt because the boat is so clean.

Skipper
10-19-2009, 08:51 AM
Typically, to repair these cracks the gel cote needs to be ground off at the damaged area. New gel cote is then applied over the glass. It is a big repair. Although factory matched gel cote is available, it may still require tint adjustments to get the best match.

cordark615
10-19-2009, 04:45 PM
The cracks are not all that bad and you really cant see them, but you can feel them,i was just curious if a wake could cause them,because i dont remember them being there before. Thanks
Also do they have to be fixed?

Skipper
10-19-2009, 06:28 PM
A very hard impact could cause the cracking. Could be from years of trailering or general use. If you were go grind off all of that gel cote you would see that the cracks go all of the way to the fiberglass and are tiny weaknesses in the glass itself, though usually only superficial. The cracks can be an indication of other underlying structural issues.

Do they have to be fixed? If you want the boat to look its absolute best, yes. If they are not fixed they may extend farther and/or branch outward over time.

cordark615
10-19-2009, 08:20 PM
Is this a common thing given the age of the boat?

Abe
10-19-2009, 10:07 PM
Is this a common thing given the age of the boat?

I have a 1990 ps 190, The boat has a very minor stress crack to it on one of the sides - cant remember where exactly, as its still moored and coming out next week, I put a new Wakeboard Tower on at The start of this season and have been monitoring the tower leg mounts for stress cracks and have seen nothing so far this season, fingers crossed it stays that way. I don't think Stress Cracks initially are a cause for concern though. IMHO.

cordark615
11-27-2009, 09:56 PM
Today we took our boat to Mastercraft of Arkansas and met with Josh of Meeks fiberglass, seems like a great guy, he now has our boat to fix the cracks. He said it will take him a couple of weeks to fix them and all of the other little blemishes. He also told me the cracks were not as big of a deal as the couple small spots,about the size of a pencil eraser on the bottom where the fiberglass was showing. I will try to post before and after photos when we get her home. Thanks Teamtalk for all the help to get me there to get her fixed.

tph
11-28-2009, 01:19 AM
He also told me the cracks were not as big of a deal as the couple small spots,about the size of a pencil eraser on the bottom where the fiberglass was showing.

I've never understood this. On the older boats they drill a large hole in the bottom of the boat for the prop shaft. This exposes a lot of fiberglass to water and no one seems concerned about it. But if someone chips the gelcoat below the water line it's a big deal. Can anyone explain this?

TMCNo1
11-28-2009, 09:26 AM
I've never understood this. On the older boats they drill a large hole in the bottom of the boat for the prop shaft. This exposes a lot of fiberglass to water and no one seems concerned about it. But if someone chips the gelcoat below the water line it's a big deal. Can anyone explain this?


IIRC, most of the core drilled holes for the shaft in the hulls had a layer of gelcoat applied over the exposed fiberglass to seal the raw structure from water intrusion, or at least ours is that way.

broncotw
12-07-2009, 10:36 AM
I agree with you TPH! I removed the exhaust tips from my 1985 Stars and Stripes (they protrude through the transom) and the 3" holes they pass through are totally exposed..... I plan to seal them upon reinstalling the exhaust system.....

tph
01-04-2010, 10:29 PM
IIRC, most of the core drilled holes for the shaft in the hulls had a layer of gelcoat applied over the exposed fiberglass to seal the raw structure from water intrusion, or at least ours is that way.

This is what ours looks like. I don't think anything was applied to the raw glass.

cordark615
01-06-2010, 09:20 PM
http://img19.imageshack.us/img19/8695/boat6.jpg (http://img19.imageshack.us/i/boat6.jpg/)http://img19.imageshack.us/img19/boat6.jpg/1/w150.png (http://g.imageshack.us/img19/boat6.jpg/1/)

cordark615
01-06-2010, 09:28 PM
http://img707.imageshack.us/img707/148/boat7.jpg (http://img707.imageshack.us/i/boat7.jpg/)http://img707.imageshack.us/img707/boat7.jpg/1/w150.png (http://g.imageshack.us/img707/boat7.jpg/1/)

cordark615
01-06-2010, 09:31 PM
http://img706.imageshack.us/img706/5353/boat4.jpg (http://img706.imageshack.us/i/boat4.jpg/)http://img706.imageshack.us/img706/boat4.jpg/1/w150.png (http://g.imageshack.us/img706/boat4.jpg/1/)

cordark615
01-06-2010, 09:34 PM
http://img20.imageshack.us/img20/945/boat2s.jpg (http://img20.imageshack.us/i/boat2s.jpg/)http://img20.imageshack.us/img20/boat2s.jpg/1/w150.png (http://g.imageshack.us/img20/boat2s.jpg/1/)

cordark615
01-06-2010, 09:37 PM
Josh did a awsome job on our boat,it looks brand new again. When this snow gets out of here i will take some of the boat since he is done with it.