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  Too cold for Marine-Tex to cure?

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Author Topic:   Too cold for Marine-Tex to cure?
Mike Brantley posted 12-26-2002 07:12 PM ET (US)   Profile for Mike Brantley   Send Email to Mike Brantley  
I was just reading the directions from the first batch of Marine-Tex I've ever bought (which I got for the first boat I've ever owned, a 1982 Sport 15), and I see where the stuff won't cure at temperatures below 50 degrees.

Here in Mobile, the highs are forecast to be 56 on Friday, 61 on Saturday and 66 on Sunday. Can I use this stuff on one of these days? If I use some Friday to fill some screw holes in the interior, will it cure as the days get a little warmer? In other words, if it is perhaps a little below 50 when I apply the filler and then it warms up to be above 50 later, will it cure? Or does it need to be warm upon application?

I'm impatient to get this done so I can move on to the next phase of the project.

By the way, my little 15-foot boat sure does look a lot bigger now that I have removed all the interior components. It's just a bare hull now, except for the engine and bow rail, which are still mounted.

Tom W Clark posted 12-26-2002 07:19 PM ET (US)     Profile for Tom W Clark  Send Email to Tom W Clark     
Mike,

I think you will be fine. The worst thing that will happen is that it will take longer to cure. You can accelerate to curing with a hair dryer (or heatgun or other source of heat) to warm the repair up.

Dick posted 12-26-2002 08:01 PM ET (US)     Profile for Dick  Send Email to Dick     
Mike

Tom's advice is good.
I have used it in Alaska much below 50 and helped it along with a heat lamp. I didn't have a heat gun back then and the wife said no to using her hair dryer. Any of the three will work.

Dick

Mike Brantley posted 12-27-2002 12:39 AM ET (US)     Profile for Mike Brantley  Send Email to Mike Brantley     
Thanks, guys. That's good to hear. My plan is to fill the holes and let the stuff cure for a couple of days and then tackle the big ugly fuel and oil stains on the deck with barkeeper's friend (another tip learned on this forum).

I do have a newly purchased heat gun to help things along if neccessary. I just got it to help me strip the varnish off the woodwork. That didn't work so well, so instead I took the varnish and a smidgen of the wood off with a combination of my random orbit sander and my wood planer. (That's another idea just suggested in another thread; y'all have great timing here!) That all turned out well, by the way, and now I'm ready to stain and start the varnishing routine. One thwart seat board was beyond hope, so I will need to scout out a source for a mahogany board.

I wish I had read the previous threads about removing the steering system before I tackled that. It took me way too long to figure out that puzzle, but eventually I did. Then I came to the forum and read in five minutes what took me five hours to figure out on my own. Live and learn.

My plan is to administer the Marine-Tex to the boat's open wounds (just screw holes) with a big syringe I purchased at West Marine. It seems like that will be less messy than using a putty knife and smearing the goop all over the place.

Thanks again.

weekendwarrior posted 12-28-2002 01:10 PM ET (US)     Profile for weekendwarrior  Send Email to weekendwarrior     
The syringe works great with marine tex, that's how I plugged the holes in my deck when I put a different console in. That stuff is great, I once mixed a tiny batch and aparently got it wrong and it took several days to cure, but in the end it was rock hard.

Another chemical that works great to clean oil/grease is starbright deck cleaner. I use it with a brush and it immediately disolves the grease drippings on the transum from my motor and just about anything else that gets on the deck. I find it works best with a stiff nylon brush (watch your eyes with the spray from the brush!).

Mike Brantley posted 12-28-2002 05:03 PM ET (US)     Profile for Mike Brantley  Send Email to Mike Brantley     
Marine-Tex in the syringe worked fine, and the stuff hardened up nicely after the sun shined on it for a few hours today. This afternoon, I started tackling the dried-on oil and gas stains on the deck with Bartender's Friend. These are no ordinary stains, and that product didn't cut it (literally) for this particular job. I've scrubbed and scrubbed, and these stains are stubborn.

I'm willing to try the Starbright product and anything else that might work. I'm also thinking about picking up something at Home Depot called Krud Kutter. Anybody heard of that or tried it?

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