Boats For Sale:
Plywood replacement floor supports - 84 SN |
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ny_nautique 
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Joined: June-01-2011 Location: Albany NY Status: Offline Points: 1215 |
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 Topic: Plywood replacement floor supports - 84 SNPosted: May-15-2013 at 1:22am |
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Questions for those of you that have replaced their floors with plywood floors:
Did you bother to put the floating floor supports back in? See the pieces of wood floating in the foam in the pic below. With a plywood floor, do you think we really need these? Is 1/2" ply good enough or should I do 3/4"?  What you're looking at here is the 2 supports on the port rear underneath the rear seat. There are a total of 3 on each side from the engine back and there were also two larger 3/4" pads beneath the two front seats. 
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- Jeff
1999 Ski Nautique |
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TX Foilhead
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Joined: February-01-2009 Location: Kingsland TX Status: Offline Points: 2076 |
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Posted: May-15-2013 at 3:11am |
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Are they really floating, or does the outside bottom edge sit on the hull? If I had to guess I would say they are there to help with setting the floor during the build if that's the case they may help you do the same.
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Hollywood
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Joined: February-04-2004 Location: Twin Lakes, WI Status: Offline Points: 13514 |
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Posted: May-15-2013 at 11:55am |
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They do not touch the floor, other models had strips running for/aft. Probably a few reasons for them, hold all the stringer assembly together as it's dropped into place, establish the floor plane (cut foam flush against top), and possibly even screw seats to.
When restringering a boat piece by piece, I don't think you need them. |
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kytom2
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Joined: July-25-2007 Location: Maysville Ky Status: Offline Points: 698 |
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Posted: May-15-2013 at 12:06pm |
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"When restringering"......new word HW?
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TRBenj
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Joined: June-29-2005 Location: NWCT Status: Offline Points: 21185 |
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Posted: May-15-2013 at 12:09pm |
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^^I agree with HW.^^
I think they are more an assembly aid than anything else, though they do provide some floor support. There are better ways to provide structural support though, IMHO. Notching stringers for those strips are a PITA when it comes to glassing. |
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ny_nautique
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Joined: June-01-2011 Location: Albany NY Status: Offline Points: 1215 |
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Posted: May-15-2013 at 12:30pm |
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Yes, and they are even a PITA when cutting the secondaries.
What is the best method for ensuring that water doesn't get into your floor where you screw your seats in? |
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- Jeff
1999 Ski Nautique |
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8122pbrainard
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Joined: September-14-2006 Location: Three Lakes Wi. Status: Offline Points: 41045 |
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Posted: May-15-2013 at 8:59pm |
Drill your pilot holes, CPES the holes and then run the screws in along with some 5200. |
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TallTex
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Joined: August-27-2012 Location: Austin Status: Offline Points: 41 |
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Posted: May-20-2013 at 1:37am |
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I would not replace rotten wood with more wood. Check out http://www.interstateplastics.com/plastic-sheets.php, use plastic sheet material. However, that being said if you do go back with wood, pre-treat final cut wood and all edges with penetrating epoxy sealer. Saturate new or old wood with it. You can buy some high-dollar stuff from the JamesTown folks. I have used it and it works well. I make my own, with 300/21 epoxy kit from AeroMarine, thinned with 10% by weight or volume acetone. AeroMarine epoxy is a non-blush epoxy resin that is "thin" on its own but if you mix it with 10% acetone the solvent takes the epoxy into the wood fibers so water will have a hard time getting in. All penetrations in old or new wood should be treated with penetrating epoxy sealer. Since you came this far you should dig out all the old "open cell" foam and replace with AeroMarine's 2-part foam, it is closed cell and will not absorb/hold water.
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8122pbrainard
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Joined: September-14-2006 Location: Three Lakes Wi. Status: Offline Points: 41045 |
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Posted: May-20-2013 at 7:06am |
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For the convenience of all, here's a proper link to Interstate.
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baitkiller
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Posted: May-20-2013 at 9:30am |
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My floor was 34 years old when I cut it out.
Thirty-four years old. Polyester and plywood. Thats what went back down only with more care and applied process. Not sure Im gonna care that I should have used a different core and epoxy at 3X the cost when I'm 81 years old..... Just sayin.... |
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Jesus was a bare-footer.............
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ny_nautique
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Posted: May-20-2013 at 11:21am |
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Exactly.
For 2 sheets of .25" thick 4'x8' material it is $235, plus $170 in shipping from Cali to NY. |
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- Jeff
1999 Ski Nautique |
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ny_nautique wrote: