Re: Bobcat Alternative Deck
> >I was considering a 3/8 inchwould
> > veneer plywood with a few coats of polyester resin to seal it. I
> > like to have a pretty wooden deck with a white hull.I have looked at the tiny cat as my next project and would also like
some natural wood (ie: not painted) features. I plan on using regular
1/4" or 5/16" ply on the deck with regular resin and tape. Once it is
down and somewhat smooth, I will shave a 2 by ? clear cedar board for
strips.
Epoxying down the strips would give you a strong and
beautiful deck. Let the ends hang over cut back and apply a fir trim
to create a real stunner. This would work on the stern as well.
Nehalem Dave
When I built my Bobcat I used Meranti plywood instead of the fir
plywood which I will never again use where it is exposed to weather.
The 1/4" deck was built with no glass. Just several coats of epoxy and
house paint. The deck does not object to my stomping around on it when
I set up the mast. I think 3/8" plywood is excessive but if you do use
it get the lightest stuff you can find. With several coats of epoxy
the Meranti was quite handsome and I was tempted to just varnish it
however some of my butt joints were not to swift. Go ahead and varnish
but spend extra effort on cutting and fitting the deck. Practical
Sailor had a review of varnishes a number of years ago. At that time I
believe they picked Regatta Plus 5 as the top performer but if I
remember 1015 Captains Varnish from Petit was right up there. Frankly
I've used both and other top quality varnishes and find that they are
all good performers. I like the the amber color of Captains Varnish.
Bob Chamberland
plywood which I will never again use where it is exposed to weather.
The 1/4" deck was built with no glass. Just several coats of epoxy and
house paint. The deck does not object to my stomping around on it when
I set up the mast. I think 3/8" plywood is excessive but if you do use
it get the lightest stuff you can find. With several coats of epoxy
the Meranti was quite handsome and I was tempted to just varnish it
however some of my butt joints were not to swift. Go ahead and varnish
but spend extra effort on cutting and fitting the deck. Practical
Sailor had a review of varnishes a number of years ago. At that time I
believe they picked Regatta Plus 5 as the top performer but if I
remember 1015 Captains Varnish from Petit was right up there. Frankly
I've used both and other top quality varnishes and find that they are
all good performers. I like the the amber color of Captains Varnish.
Bob Chamberland
--- Inbolger@yahoogroups.com, "txsailor37" <txsailor37@y...> wrote:
> I am presently building Payson's Bobcat or Bolger's Tinycat, whichever
> you prefer. I have been considering using some tpye of a veneer plywood
> for the deck. I was going to stain and varnish it or just coat it with
> a few coats of resin. The plans call for 1/4 inch plywood covered with
> fiberglass cloth and polyester resin. I was considering a 3/8 inch
> veneer plywood with a few coats of polyester resin to seal it. I would
> like to have a pretty wooden deck with a white hull. Would this work
> Okay or am I carzy?
I think you have to look at the kind of plywood you're using. Fir
and pine will check and the grain open up, which is why one would cover
with glass and epoxy to prevent checking. If you are using okume ply,
checking is not a problem as "COD" pointed out. Light cloth pretty much
disapears in epoxy so that's the way I would go. Clyde
Bruce Hallman wrote:
and pine will check and the grain open up, which is why one would cover
with glass and epoxy to prevent checking. If you are using okume ply,
checking is not a problem as "COD" pointed out. Light cloth pretty much
disapears in epoxy so that's the way I would go. Clyde
Bruce Hallman wrote:
> > a few coats of resin. The plans call for 1/4 inch plywood covered with
> > fiberglass cloth and polyester resin. I was considering a 3/8 inch
> > veneer plywood with a few coats of polyester resin to seal it. I would
> > like to have a pretty wooden deck with a white hull. Would this work
> > Okay or am I crazy?
>
> The plans were drawn up before economical epoxy resin was available
> and today epoxy certainly could be used. Both epoxy and polyester
--- Inbolger@yahoogroups.com, "txsailor37" <txsailor37@y...> wrote:
maintenance and your sailing environment not too harsh.However,and
this is just my own thinking here,it would be prudent to consider
that the veneer overlay is desperately thin,thus allowing near zero
tolerance for much sanding and thereby rendering it almost useless
in a long term scenerio.Could also break your heart if it is already
installed and you sand through that first thin veneer :-(
Perhaps another route may be to go with the prescribed 1/4"
ply,properly sealed and sheathed in epoxy/fiberglass.Then follow
through with "planks" made out of 1/8th luan etc...all stained to
your favorite shade of mahogany and sealed with epoxy and laid into
a thickened slury of graphite stained epoxy in whichever pattern you
prefer for that laid deck effect I imagine you are seeking.If you
really want to test your sanity and strain the wallet,get hold of
some teak or mahogany and dress the stuff down to
3/16 "planks"...Yikes!....Should the end result turn out to be not
exactly what you hoped for or simply too much of a maintenance
issue,it could all be sanded off(lots of sanding!) leaving you with
a sound deck just like the plans called for.The added weight would
not be all that great since a)the areas to be"planked" are small and
b) it is only the net difference between th 1/4" and 3/8",that is
1/8", which is "added" and besides,it is a catboat with enough
volume to float that 1/8" increase......a case-o-beer weighs more
and I wouldnt leave home without one:-)
Good luck with your construction,take lots of pictures and post them
here for us all to oogle at!
Sincerely,
Peter Lenihan,slowly transitioning from the life blood which is Port
over to beer,THE summer time coolant for the un-horsed and un-booted
masses,from along the ever
warming shores of the mighty St.Lawrence.............
> I am presently building Payson's Bobcat or Bolger's Tinycat,whichever
> you prefer. I have been considering using some tpye of a veneerplywood
> for the deck. I was going to stain and varnish it or just coat itwith
> a few coats of resin. The plans call for 1/4 inch plywood coveredwith
> fiberglass cloth and polyester resin. I was considering a 3/8 inchwould
> veneer plywood with a few coats of polyester resin to seal it. I
> like to have a pretty wooden deck with a white hull. Would thiswork
> Okay or am I carzy?Your proposal could work provided you were meticulous with
maintenance and your sailing environment not too harsh.However,and
this is just my own thinking here,it would be prudent to consider
that the veneer overlay is desperately thin,thus allowing near zero
tolerance for much sanding and thereby rendering it almost useless
in a long term scenerio.Could also break your heart if it is already
installed and you sand through that first thin veneer :-(
Perhaps another route may be to go with the prescribed 1/4"
ply,properly sealed and sheathed in epoxy/fiberglass.Then follow
through with "planks" made out of 1/8th luan etc...all stained to
your favorite shade of mahogany and sealed with epoxy and laid into
a thickened slury of graphite stained epoxy in whichever pattern you
prefer for that laid deck effect I imagine you are seeking.If you
really want to test your sanity and strain the wallet,get hold of
some teak or mahogany and dress the stuff down to
3/16 "planks"...Yikes!....Should the end result turn out to be not
exactly what you hoped for or simply too much of a maintenance
issue,it could all be sanded off(lots of sanding!) leaving you with
a sound deck just like the plans called for.The added weight would
not be all that great since a)the areas to be"planked" are small and
b) it is only the net difference between th 1/4" and 3/8",that is
1/8", which is "added" and besides,it is a catboat with enough
volume to float that 1/8" increase......a case-o-beer weighs more
and I wouldnt leave home without one:-)
Good luck with your construction,take lots of pictures and post them
here for us all to oogle at!
Sincerely,
Peter Lenihan,slowly transitioning from the life blood which is Port
over to beer,THE summer time coolant for the un-horsed and un-booted
masses,from along the ever
warming shores of the mighty St.Lawrence.............
I read about a British boatbuilder who stained a stripplanked hull and then sheathed it with epoxy/fg finished bright. The result was a cedar hull that looked like aged mahogany. I don't see any reason why you couldn't do the same thing over a plywood deck using a water based stain, but I've never tried it...
John T
John T
----- Original Message -----
From: Will Samson
To:bolger@yahoogroups.com
Sent: Monday, May 16, 2005 5:03 PM
Subject: Re: [bolger] Re: Bobcat Alternative Deck
Extra weight is something Bobcat can do without. It's a heavy little boat and you'd do well to keep it as light as possible if you're to be trolleying it up a slip.
Personally, for a bright-finished deck I'd go for varnish alone, without epoxy or polyester resin. Much more beautiful, and easier to refinish it when the time comes.
Bill Samson
[Non-text portions of this message have been removed]
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[Non-text portions of this message have been removed]
I am presently building Payson's Bobcat or Bolger's Tinycat, whichever
you prefer. I have been considering using some tpye of a veneer plywood
for the deck. I was going to stain and varnish it or just coat it with
a few coats of resin. The plans call for 1/4 inch plywood covered with
fiberglass cloth and polyester resin. I was considering a 3/8 inch
veneer plywood with a few coats of polyester resin to seal it. I would
like to have a pretty wooden deck with a white hull. Would this work
Okay or am I carzy?
Might work. 3/8 might not bend properly.
Coat with epoxy and then polyurethane varnish. Seehttp://www.clcboats.com
for examples, and probably a back issue of the newsletter which gives the
procedure.
Polyester isn't a good choice for sealing a deck.
--
Craig O'Donnell
Sinepuxent Ancestors & Boats
<http://freepages.genealogy.rootsweb.com/~fassitt/>
The Proa FAQ <http://boat-links.com/proafaq.html>
The Cheap Pages <http://www.friend.ly.net/~dadadata/>
Sailing Canoes, Polytarp Sails, Bamboo, Chinese Junks,
American Proas, the Bolger Boat Honor Roll,
Plywood Boats, Bamboo Rafts, &c.
_________________________________
-- Professor of Boatology -- Junkomologist
-- Macintosh kinda guy
Friend of Wanda the Wonder Cat, 1991-1997.
_________________________________
[Non-text portions of this message have been removed]
you prefer. I have been considering using some tpye of a veneer plywood
for the deck. I was going to stain and varnish it or just coat it with
a few coats of resin. The plans call for 1/4 inch plywood covered with
fiberglass cloth and polyester resin. I was considering a 3/8 inch
veneer plywood with a few coats of polyester resin to seal it. I would
like to have a pretty wooden deck with a white hull. Would this work
Okay or am I carzy?
Might work. 3/8 might not bend properly.
Coat with epoxy and then polyurethane varnish. Seehttp://www.clcboats.com
for examples, and probably a back issue of the newsletter which gives the
procedure.
Polyester isn't a good choice for sealing a deck.
--
Craig O'Donnell
Sinepuxent Ancestors & Boats
<http://freepages.genealogy.rootsweb.com/~fassitt/>
The Proa FAQ <http://boat-links.com/proafaq.html>
The Cheap Pages <http://www.friend.ly.net/~dadadata/>
Sailing Canoes, Polytarp Sails, Bamboo, Chinese Junks,
American Proas, the Bolger Boat Honor Roll,
Plywood Boats, Bamboo Rafts, &c.
_________________________________
-- Professor of Boatology -- Junkomologist
-- Macintosh kinda guy
Friend of Wanda the Wonder Cat, 1991-1997.
_________________________________
[Non-text portions of this message have been removed]
Extra weight is something Bobcat can do without. It's a heavy little boat and you'd do well to keep it as light as possible if you're to be trolleying it up a slip.
Personally, for a bright-finished deck I'd go for varnish alone, without epoxy or polyester resin. Much more beautiful, and easier to refinish it when the time comes.
Bill Samson
[Non-text portions of this message have been removed]
Personally, for a bright-finished deck I'd go for varnish alone, without epoxy or polyester resin. Much more beautiful, and easier to refinish it when the time comes.
Bill Samson
[Non-text portions of this message have been removed]
--- Inbolger@yahoogroups.com, Bruce Hallman <bruce@h...> wrote:
hardwood venner plywood available at places like Home Depot are
interior plywood. The face veneers are very thin, too. You may find
them delaminating before long. An epoxy or polyester coating will
protect it somewhat provided it is also varnished or painted to
shield it from UV, but the epoxy or polyester won't penetrate past
the first veneer, so you still risk delamination. How about strip
planking the deck?
> > a few coats of resin. The plans call for 1/4 inch plywood coveredwith
> > fiberglass cloth and polyester resin. I was considering a 3/8 inchwould
> > veneer plywood with a few coats of polyester resin to seal it. I
> > like to have a pretty wooden deck with a white hull. Would thiswork
> > Okay or am I crazy?yellowing.
>
> The plans were drawn up before economical epoxy resin was available
> and today epoxy certainly could be used. Both epoxy and polyester
> would need protection from UV radiation to avoid damaging and
> This can be achieved with a varnish, read the label to be suresuseptable to
> it is UV resistant. Z-Spar 'Flagship' varnish is one of the best.
>
> [in my memory I recall reading that polyester resin is less
> UV damage than epoxy, but that may or may not be true].weight of
>
> A 3/8 in deck shouldn't be a problem, but it would add to the
> the boat. IMOWhat kind of veneered plywood were you planning on using? Most of the
hardwood venner plywood available at places like Home Depot are
interior plywood. The face veneers are very thin, too. You may find
them delaminating before long. An epoxy or polyester coating will
protect it somewhat provided it is also varnished or painted to
shield it from UV, but the epoxy or polyester won't penetrate past
the first veneer, so you still risk delamination. How about strip
planking the deck?
> a few coats of resin. The plans call for 1/4 inch plywood covered withThe plans were drawn up before economical epoxy resin was available
> fiberglass cloth and polyester resin. I was considering a 3/8 inch
> veneer plywood with a few coats of polyester resin to seal it. I would
> like to have a pretty wooden deck with a white hull. Would this work
> Okay or am I crazy?
and today epoxy certainly could be used. Both epoxy and polyester
would need protection from UV radiation to avoid damaging and yellowing.
This can be achieved with a varnish, read the label to be sure
it is UV resistant. Z-Spar 'Flagship' varnish is one of the best.
[in my memory I recall reading that polyester resin is less suseptable to
UV damage than epoxy, but that may or may not be true].
A 3/8 in deck shouldn't be a problem, but it would add to the weight of
the boat. IMO
I am presently building Payson's Bobcat or Bolger's Tinycat, whichever
you prefer. I have been considering using some tpye of a veneer plywood
for the deck. I was going to stain and varnish it or just coat it with
a few coats of resin. The plans call for 1/4 inch plywood covered with
fiberglass cloth and polyester resin. I was considering a 3/8 inch
veneer plywood with a few coats of polyester resin to seal it. I would
like to have a pretty wooden deck with a white hull. Would this work
Okay or am I carzy?
you prefer. I have been considering using some tpye of a veneer plywood
for the deck. I was going to stain and varnish it or just coat it with
a few coats of resin. The plans call for 1/4 inch plywood covered with
fiberglass cloth and polyester resin. I was considering a 3/8 inch
veneer plywood with a few coats of polyester resin to seal it. I would
like to have a pretty wooden deck with a white hull. Would this work
Okay or am I carzy?