Type of wood for sub floor?

« **on:** May 28, 2016, 05:11:35 PM »

Just wondering what type of plywood I should use for my subfloor, can't find any marine grade ply at Home Depot or Lowes and the workers I asked there were clueless so I figured someone on here would know what would work besides marine grade 👍🏻️

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« **Reply #1 on:** May 28, 2016, 05:32:09 PM »

Quote from: switchinaddiction on October 26, 2006, 11:12:49 AM

Oh no not the greenies.........the old "Beaumont" crowd will come running when they hear this.

You don't need marine grade.

Exterior grade, plywood is fine, be sure to glass all sides. I live to hit it with a hot coat before installing it, basically cut some resin with MEK or acetone and slop on a quick coat of resin only, the skin it with some light cloth. You can fill any voids with filler like Bondo or Cabosil.

« **Reply #2 on:** May 28, 2016, 06:03:20 PM »

CDX is more than adequate if you are going to carpet over it.

GT

« **Reply #3 on:** May 28, 2016, 06:27:36 PM »

Sweet, thanks GT! Going to go back to Home Depot and get the wood tomorrow. Also, do you think a gallon of resin and 16 sq ft of fiber glass mats will be enough for this? Goes from right in front of the 1/4 stringers to right under the gauges.

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« **Reply #4 on:** May 28, 2016, 06:33:49 PM »

Quote from: bshaw on May 28, 2016, 06:27:36 PM

Sweet, thanks GT! Going to go back to Home Depot and get the wood tomorrow. Also, do you think a gallon of resin and 16 sq ft of fiber glass mats will be enough for this? Goes from right in front of the 1/4 stringers to right under the gauges.

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A gallon will be plenty.

GT

« **Reply #5 on:** May 28, 2016, 08:16:00 PM »

How many coats of glass is the minimum I should do? I was thinking 2/3

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« **Reply #6 on:** May 28, 2016, 08:17:38 PM »

Quote from: bshaw on May 28, 2016, 08:16:00 PM

How many coats of glass is the minimum I should do? I was thinking 2/3

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What resin? Do you have any cloth?

« **Reply #7 on:** May 28, 2016, 10:24:28 PM »

Got these, two packs of the mats

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« **Reply #8 on:** May 29, 2016, 06:46:45 AM »

Do the last coat with the wax additive. It will allow the resin to dry 100% at the top to sand, glue, gel coat...ect. I used the sewn thick fiber cloth from a fiberglass facility in one layer. Most likely stronger/as strong than you doing 3 layers of HD mat.

« **Reply #9 on:** May 29, 2016, 01:37:09 PM »

So should I get the bondo mats or the cloth? Or were you talking about just for the top layer/final coat

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« **Reply #10 on:** May 30, 2016, 12:27:45 PM »

Bump

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« **Reply #11 on:** May 30, 2016, 12:42:23 PM »

Quote from: bshaw on May 29, 2016, 01:37:09 PM

So should I get the bondo mats or the cloth? Or were you talking about just for the top layer/final coat

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I like working with cloth better, but for reasons that may not effect you. I use epoxy resin. You can't use mat with epoxy.

You are using polyester, mat will be fine, I would still finish it with light cloth. It's just easy to work with and cones out very smooth.

Personal preference really.

GT

« **Reply #12 on:** July 12, 2016, 10:30:25 AM »

Wtf!! If you guys don't know what you're doing please don't give advice!

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« **Reply #13 on:** July 13, 2016, 05:59:16 AM »

Going to do one more in the back and do a layer over what's already done!

« **Reply #14 on:** July 13, 2016, 02:47:00 PM »

Your gonna sand that down first right ? No air bubbles ... 👍

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« **Reply #15 on:** July 13, 2016, 02:49:34 PM »

Here's when I did mine ...

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bshaw

Type of wood for sub floor?

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