07/25/2007 11:00:55 AM
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CaptMark
Member
Posts: 174
Joined: 07/23/2007
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Newbie here, just bought a 1979 Crest pontoon houseboat 14 x
40.
The roof is framed with 2x6s, 18" oc, spanning 10 feet, but some
interior partitions break that up. I'm wondering how many adults we
might allow up there at a time.
Also, the roof is covered with a rubber roof. It has well rotted
carpet over the rubber so I'm assuming I can replace it with new
heavy-duty outdoor carpet.
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Mark
1979 Crest
Brookville Lake, IN
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07/25/2007 01:17:18 PM
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TheJudge
Admiral
Posts: 282
Joined: 05/01/2006
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I have never seen your particular boat but 2x6's turned edgewise on 18" centers with say 5/8-3/4 plywood can support a fair amount. I would believe that it will hold more people than you would ever comfortably put up there. Check with an structural engineering text or call a school like Georgia Tech or Southern Polytechnic and they can tell you the average rated strength of these materials. Keep in mind that your wood is older than new wood and not up to full strength anymore. As to carpet, I guess any good outdoor grade would do though You might want to consider just using a rubber matting.
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The Judge Rules
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07/25/2007 05:48:07 PM
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OLD HOUSEBOATER
Super moderator
Posts: 1520
Joined: 10/18/2002
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Beg to differ on the matting. This tends to trap water between the roof and the mat and the water will find any posssible crack. Rubber backed carpet will produce the same effect.
Best to go with an open backed marine carpet that will dry out all the way to the surface its laid on.
Don't over look paint with Interlux polymeric anti skid compound. This makes a fine, easy to clean surface, and it can be complimented with throw rugs.
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OLD HOUSEBOATER
Edited: 07/25/2007 at 05:56:45 PM by OLD HOUSEBOATER
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07/26/2007 01:43:55 PM
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TheJudge
Admiral
Posts: 282
Joined: 05/01/2006
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I defer to OHB. I have never found him to be wrong. I just figured if it already had a rubber cover that laying one on top of it would not hurt.
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The Judge Rules
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07/27/2007 07:39:37 AM
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BananaTom
Admiral
Posts: 968
Joined: 12/05/2006
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Quote by The Judge: "I have never found him to be wrong."
Sounds like a Judge. :-)
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Banana Tom
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07/27/2007 05:46:38 PM
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Iman
Member
Posts: 76
Joined: 04/05/2006
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I agree on the rubber mat/backed carpet thing. This year I started using a rubber backed carpet over my poorly designed engine hatches. It works great at deflecting the water so my hatches don't leak but I'm amazed how wet it always is under the mat, even when it hasn't rained for a long time.
I had figured I'd later buy a large rubber backed carpet for my roof but changed my mind when I saw how much water this first mat trapped.
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1973 Chris Craft Aquahome, 34'
Lake Lanier, GA
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07/30/2007 12:07:22 PM
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alreadygone
Admiral
Posts: 792
Joined: 02/07/2004
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Something to consider is the new rubber matting sold at the last few Louisville shows that looks like tiny strands of spaghetti (almost like that mess on Dave's plate  ). Should be very quick drying and excellent traction.
Bob
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I carry a gun because it's too tiring carrying a cop.
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07/30/2007 03:22:01 PM
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OLD HOUSEBOATER
Super moderator
Posts: 1520
Joined: 10/18/2002
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Bob
We just gotta do something about Daves plate.
Dave PLEASE!!!!
Rodd
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OLD HOUSEBOATER
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07/30/2007 07:14:03 PM
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Dozerman
Junior Member
Posts: 14
Joined: 07/30/2007
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2x6x10 ft span, at 40psi is total roof ;oad of 600 pounds.
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07/30/2007 07:16:02 PM
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Dozerman
Junior Member
Posts: 14
Joined: 07/30/2007
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thats 40 pounds a square foot not inch sorry, 600 lbs max.
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07/31/2007 08:11:03 AM
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BananaTom
Admiral
Posts: 968
Joined: 12/05/2006
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We went on a 100 mile trip this weekend and took the dogs for their first ride, ever on a boat.
One got sick.
It resembled "Daves Plate"
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Banana Tom
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07/31/2007 02:06:13 PM
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TheJudge
Admiral
Posts: 282
Joined: 05/01/2006
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I do not know anything about that formula for weight bearing but I must assume if it is correct that each 2x6 will bear up to 600 lbs. so a whole sundeck would be rated for more people than you would ever put up there just as I speculated earlier.
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The Judge Rules
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