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Old 05 May 2013, 10:12   #1
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fiberglass advice

After the exploding fuel tank on my rib last week i am now thinking about how to repair the damage.i am going to have to fix a 8*4 sheet of plywood on to replace the damaged one.the problem starts for me then.do i use polyester or epoxy resins,do i need to coat the underside of the sheet before i fix it onto the boat.which type of mesh and how many layers do i need.i also need to refix 4 single seats and a twin console with suicide seat.
I've never done any fiberglass work before but am kean to do it myself .any advice or guidance will be much appreciated.i looked on you tube and got some tips but a bit vague.

Thanks for all your good wishes last week,i can now see through both eyes just a broken finger being a nuisance now !
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Old 05 May 2013, 11:18   #2
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these people give good free advce are very reasonable with the materiasl they supply

good luck

Buy fibreglass and composites supplies online UK - East Coast Fibreglass Supplies
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Old 05 May 2013, 15:03   #3
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Yes bought some none slip flowcoat from them last year and never give them a thought thanks
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Old 05 May 2013, 15:56   #4
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Simon, is this the deck you are replacing? are were are you?

Pete
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Old 05 May 2013, 16:00   #5
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what part of england are you in? not you Pete7
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Old 05 May 2013, 16:16   #6
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I'm in liverpool,rib is in anglesea but will be taken to my work at lymm in cheshire to do job.deck is on my tohatsu one design.why?
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Old 05 May 2013, 16:19   #7
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Had a mishap last week making leaking fuel tank safe.result new deck and
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Old 05 May 2013, 16:41   #8
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Simon, I would have a good read of Jizms thread about changing the deck in his Cobra. If you decide to go this far I would consider taking the tubes off and storing away then fitting back later.

Cobra RIB refurb

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Old 05 May 2013, 16:52   #9
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Thanks for that.that is the thread i need to read, he's done a nice job hopefully i won't have to go that far
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Old 05 May 2013, 17:13   #10
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Recently completed a couple of floors and polyester resin is probably what you should use as this is what most boats were built with. I know there is debate on its adhesion vs epoxy to the wood however; I have never had any adhesion issues. I would also treat the underside and the edges of the deck prior to fitting.

Two layers of 450g chopped matt should suffice and ensue all surfaces you are glassing to have had the gel coat removed and are cleaned down. I normally do a final wipe down with acetone - use sparingly as it can be corrosive on the surfaces.

With the consoles and seats etc you could screw down with stainless steel screws, combined with 3 layers of 450g chopped strand (I have fitted some with no screws and have not had one break free yet). The key to all of this is preparation and ensure you work the fibreglass thoroughly with a roller and brush with the objective of having no air bubbles.

When mixing your resin start out with a small amount as it can go off reasonably quickly and have all you fibreglass cut to shape to avoid any delays. Finally work in a well ventilated area!

Hope this helps
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