Cabin top fiberglass repair

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Bob Tucker

I am trying to repair some fiberglass cracks on the cabin top. I have the epoxy to inject in to stabilize the wet, rotted core, but it says to let it dry out and I'm not sure it will ever dry out. I have drilled holes from inside and out. Will the repair totally fail if it is not all the way dry first? I don't really care if its not totally perfect, but don't want to mess it up completely either.
 
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Ron Stephanson

cabin top repair

I had a wet deck at the forward hatch screws. suggestions.1. pour alcohol in the drilled holes,block on the under side;gently blow out withcompressed air 2. inject alcohol in with a blow gun that siphons the alcohol. 3. cover the area with a dark towel, this heats it on sunny days 4. carefully use a heat gun, not so hot you melt epoxy. 5. put a safe heater inside the cabin.6. vacuum out as much as possible. I did all of these,probably the most successful were injecting alcohol with the siphon gun, and a towel over the area to heat it and let it breathe.
 
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Ray Bowles

Bob, Another aid in drying out your area is to

use 110v inferred heat lamp bulbs in a reflective housing. They are available at all hardware stores for under $20 for the whole set-up. In an effort to help, without sounding like too much of a "hick", these were the lamps we used to heat up day old chicks. They can be used to help dry out your area by mounting them about 24" from the area to be dried. (2 feet) Check the area after 10 minutes, and again at 20, to make sure there is not too much heat, but I'm fairly sure it will be OK. Be sure to have enough holes on top to vent out the moisture and cover the top side to prevent new water entering. Allow about 1 foot of air space above the top for air to move around in. If the top has enough vent holes for the moisture to vent out, and the bottom has only a few holes for any puddled water to run out then it should work. I would use as many lights as needed or as many as you can afford. If you cover the top so as not to allow rain water to re-wet the area then 2 lamps should be plenty and one is enough if you move it around and take a week or whatever to dry it out. The repair will not be very good if you do not dry it out. Time is everything when doing this process. 2 to 3 weeks would be great if you keep moving the lights. Good luck Ray S/V Speedy
 
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