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jimgo 05-16-2013 11:38 AM

Who sells marine plywood?
I have two places where I might need marine plywood:

1) My Allmand had a leak at the chainplates. I think I've fixed that (at least temporarily), but it had happened for a long time, and the previous owner's "stuff" was on top of the wooden shelf that the chainplates touched. As a result, the water would run down the chainplates, pool/soak into the shelf, and then the stuff on there would keep the wood from drying out. I tore out the shelf, and now want to replace that. I'm leaning toward marine plywood, though I suppose for an interior project, I could get away with standard plywood.

2) On my Albacore, as I was dealing with the issues caused by the driveway contractor, the traveler track that runs along the transom pulled free on the port side. I realized that the holes had rotting wood in them, and I sought to address the problem by filling the holes with regular epoxy, sucking it out, then squirting in thickened epoxy. That seemed to work OK until yesterday, when I was sanding down the excess epoxy (I got a little messy). As I moved the traveler to get to some of the epoxy, the rest of the traveler pulled free from the transom. The area where the track had been was dirty, so I cleaned that with acetone, and poured some acetone into the screw holes, too, to try to dry them out more. Then I cleaned out the holes with a screwdriver. In the first hole, I slid the screwdriver in, and it went down a good 2-3 inches before hitting squishy wood. This was true of the other holes, as well. That's about the time the ants started coming out. About 100 of them. About an inch long, with big, thick bodies. It seems they weren't happy about my digging around, nor were they pleased with the acetone. It became apparent that the transom was infested with carpenter ants. I'm not sure if they are new, or if they came with the boat, but either way, it now appears that I need to replace the wood that is under the traveler. In looking at it, it will be a messy and somewhat time consuming job, but doesn't look like it will be all that difficult. The wood is "just" glassed to the inside of the transom, so I'll cut it out and replace it. I'm leaning toward marine plywood for this.

So, given these two projects, it seems I'll be in the market for some marine plywood. Who sells it? I know I can't find it at Lowes or Home Depot. So, can I get marine plywood at any national chains or other well-known stores?

CarpeAquam 05-16-2013 12:01 PM

Re: Who sells marine plywood?
I will leave this to someone more knowledgeable than me... but pressure treated plywood (via lowes or HD) might be good enough.

deniseO30 05-16-2013 12:04 PM

Re: Who sells marine plywood?
Jim, Most plywood will hold up to water. "exterior grade" would be a good 2nd choice. The trick is, to not have water dripping in. I have the same problem but it wants to migrate to the dome lights LOL

Tim R. 05-16-2013 12:05 PM

Re: Who sells marine plywood?
There used to be a lumber yard in Flowertown that could special order anything you need. Call around. Most will have some idea of where to get it.

Boulter plywood out of Mass.

T37Chef 05-16-2013 12:05 PM

Re: Who sells marine plywood?

How much do you need and where is your boat? I have some left over from a project I could sell you real cheap :)

Otherwise you could contact Exotic Lumber Inc located in Gaithersburg & Annapolis Welcome to Exotic Lumber Inc I also live very close to the Gaithersburg location and could help you out if needed.

Alex W 05-16-2013 12:06 PM

Re: Who sells marine plywood?
Hardwood suppliers near marine locations. In Seattle you can get it at Crosscut Hardwoods. I don't know what the locations would be in the Philadelphia and upper Chesapeake region, but I bet that a good local boat yard could point you towards it.

deniseO30 05-16-2013 12:06 PM

Re: Who sells marine plywood?
Jim Harbor sales in Baltimore is one. here's a link boat builders use.

miatapaul 05-16-2013 12:16 PM

Re: Who sells marine plywood?
It is often available via special order from any good local lumber yard. There are internet sources as well. One near (M.L. Condon Company) me has the following list of marine lumber:

Ash White Quartered
Birch, Sound Lauan Black
Mahogany, Philippine Ribbon Stripe
Mahogany, Philippine Rotary
Mahogany, Honduras Flat Cut A1
Mahogany, Bruynzeel Regina
Mahogany, Occume (MFC)
Teak, Quartered, G1S (Mahogany back)
Teak, Quartered G2S Both faces
Teak, Black Line Plydeck Decking Boards

I don't think any of the chains will be able to get much for you. They specialize in bulk purchases, and tend to be just as or more expensive as the smaller local guys on small orders. Bruynzeel and Occume seem to be the most common quality marine plywood for boat building. I would not recommend pressure treated, as it tends to not have a very fine surface, and will be unlikely have the correct glues.

jimgo 05-16-2013 12:20 PM

Re: Who sells marine plywood?
I need a roughly 3'x 6' section (still need to measure) for the Allmand's shelf. The Albacore is about a 4' x 2'.

krisscross 05-16-2013 12:23 PM

Re: Who sells marine plywood?
Jim, sometimes regular pressure treated wood is the way to go on small projects like that.

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