using resin and tape instead of wood flour

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scbike
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Type of boat I like: ENO Canoe

using resin and tape instead of wood flour

Post by scbike » Mon Mar 26, 2012 4:17 pm

Hey Matt,
I am making the ENO canoe.
I am using West Marine Polyester Resin.

Question - in your tutorial you stated using wood flour -however, can i just use polyester resin with fiberglass tape applied to inner hull and outer hull which is the same as what I used for the butt joints instead of the wood flour in between the seems ?

Thanks,
Greg

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jem
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Re: using resin and tape instead of wood flour

Post by jem » Mon Mar 26, 2012 5:06 pm

I don't recommend using polyester resin.

You need the filler/thickener (woodflour) in order to create a rounded fillet which is required for structural integrity. Resin by itself won't hold that shape.
-Matt. Designer.

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Oldsparkey
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Re: using resin and tape instead of wood flour

Post by Oldsparkey » Mon Mar 26, 2012 8:21 pm

jem wrote:I don't recommend using polyester resin.

You need the filler/thickener (woodflour) in order to create a rounded fillet which is required for structural integrity. Resin by itself won't hold that shape.
Also , with what Matt said.........
The fillet , besides making the boat's seams look nice , rounds out the seams of the panels. It fills them in so the glass has a smooth surface to bond to without the normal sharp angles at the junction of the seams.

Chuck.
Remember:
Amateurs built the Ark...... Professionals built the Titanic
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scbike
Posts: 7
Joined: Thu Mar 15, 2012 8:32 pm
Type of boat I like: ENO Canoe

Re: using resin and tape instead of wood flour

Post by scbike » Thu Mar 29, 2012 1:06 pm

Thanks guys for your help...the wood flour definitely helped alot. As you noted the wood flour gives the rounded effect on the sides.

Have another question though...the outside is fine / sanded / prepped and ready for resin with fiberglass cloth...

The inside hull where the seems join -some areas are raised by 1/32" to 1/16" of which sanding smoothes out the edges; however to lessen the amount of sanding could I just use wood glue to smooth out the adjoing seems ? (natuarlly having to sand the areas of where wood glue wood be placed )

If wood glue is fine to use for the interior instead of resin/wood flour what type of wood glue would you recommend that
fibergloss cloth and resin can go over it ?

Thanks
Greg

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jem
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Re: using resin and tape instead of wood flour

Post by jem » Thu Mar 29, 2012 2:07 pm

I suppose you could use woodglue with filler but now you are introducing 2 different materials and expecting them to bond. Not a good idea. You already have the epoxy and woodflour, why not just use that?

Also, if you get a sharp cabinet scraper and some elbow grease, those little ridges are gone very quickly.
-Matt. Designer.

scbike
Posts: 7
Joined: Thu Mar 15, 2012 8:32 pm
Type of boat I like: ENO Canoe

Re: using resin and tape instead of wood flour

Post by scbike » Thu Mar 29, 2012 9:22 pm

good thought...i used wood flour.

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