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    Posted: April-22-2011 at 11:52pm
Thanks Pete! going to move forward on the foaming this week.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote 8122pbrainard Quote  Post ReplyReply Direct Link To This Post Posted: April-22-2011 at 2:40pm
Jeff,
CPES, epoxy and use a low oz. glass on the holes before you inject. Will you be putting a layer of glass over the entire floor? You won't get a noticeable bump at the hole if some light fairing is done.


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77 Tique

64 X55 Dunphy

Keep it original, Pete
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Post Options Post Options   Thanks (0) Thanks(0)   Quote connorssons Quote  Post ReplyReply Direct Link To This Post Posted: April-22-2011 at 2:21pm
And yes thick floor 3/4 ply, also thick mat under floor for seat mounting screws, thx for the idea Benj!
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Post Options Post Options   Thanks (0) Thanks(0)   Quote connorssons Quote  Post ReplyReply Direct Link To This Post Posted: April-22-2011 at 2:19pm
My concern is drilling holes in the floor after all the cpesing and glassing both sides and i dont want to put a hump in the floor either just a little nervous i dont want to wreck anything after all the darn work. and yes plenty of thickenedd resin to hold all floor sections down .
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Post Options Post Options   Thanks (0) Thanks(0)   Quote 8122pbrainard Quote  Post ReplyReply Direct Link To This Post Posted: April-22-2011 at 12:15pm
Jeff,
All you need is one hole to get the guns extension into the cavity. 1&1/2" is fine. The pressure isn't alot unless you overfill the cavity. Start filling at the farthest spot from the hole. Do it in stages allowing about 10 seconds between the "shots" for the foam to expand. Once you get a feel for how fast and how much, it will be easy!

As long as your ply isn't real thin (under 1/2"), then the small distance between it's bonds/supports will keep it from bulging. You could place a concrete block in the middle, but I do not feel you will have a problem. You have/will be epoxy bonding the ply down correct?


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Post Options Post Options   Thanks (0) Thanks(0)   Quote Hollywood Quote  Post ReplyReply Direct Link To This Post Posted: April-22-2011 at 12:15pm
Originally posted by BuffaloBFN BuffaloBFN wrote:

-either way, a good bit of epoxy goes down before the first glass and that makes a darn good replacement skin


Which is why I don't understand all the slamming on poured vs. injection foam. Both have a skin at the bottom, where water might sit and absorb into the foam. You make a new skin on the top where it's cut with resin.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote BuffaloBFN Quote  Post ReplyReply Direct Link To This Post Posted: April-22-2011 at 11:50am
Jeff, there's and old write-up about this with pics somewhere on here. Pete, did you post it? Brady? I know there's some discussion in the patch. Anyway, I had this decision to make as well. I used the pour meathod mostly because I stayed with the factory build. If you want the ply floor either way, then the injection meathod makes good sense. Be forwarned though; that stuff is gonna do what it's gonna do.

A few points:

-pour foam can be hectic and you'll want a helper
-pour foam is a little cheaper and I used a good bit more than expected
-inj foam should be close to zero waste
-inj foam will make its own skin except at the hole(s); I'd cut more than 1
-either way, a good bit of epoxy goes down before the first glass and that makes a darn good replacement skin

What is your concern about wrecking earlier work?
1988 BFN-sold



"It's a Livin' Thing...What a Terrible Thing to Lose" ELO
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Post Options Post Options   Thanks (0) Thanks(0)   Quote connorssons Quote  Post ReplyReply Direct Link To This Post Posted: April-22-2011 at 10:46am
Pete! didnt buy yet, but ready to. if i get the injection type, which i want, will it push floor up, how many relief holes are needed if any. i think this type will reinforce the floor alot more then the 2 part pour? please help on this thx jeff
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Post Options Post Options   Thanks (0) Thanks(0)   Quote 8122pbrainard Quote  Post ReplyReply Direct Link To This Post Posted: April-22-2011 at 8:56am
Jeff,
What foam did you end up getting? The pour or injection?


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Post Options Post Options   Thanks (0) Thanks(0)   Quote connorssons Quote  Post ReplyReply Direct Link To This Post Posted: April-22-2011 at 1:10am
ready to foam? should i bed floor and inject, or pour with floor out? would prefer to bed floor first, just dont know how to go about it and not wreck all the work done earlier. how many holes as not to have floor raise? thx for the info. jeff
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