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Old 28th January 2014, 10:03 PM   #11
dangus is offline dangus  Canada
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Mix sawdust with epoxy? Wood glue doesn't always like to be sanded.

Or, better, probably, use a router to trim things flush.
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Old 28th January 2014, 10:56 PM   #12
guangui is offline guangui  Puerto Rico
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Using Epoxy with dawdust makes sense. I have a router, but in all honesty don't know how to use/control it. When I practice, instead of a nice cut, the wood ends up burned or with chunks missing.
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Old 30th January 2014, 12:42 PM   #13
kuroguy is offline kuroguy  United States
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epoxy/sawdust is much harder to sand than wood glue/sawdust. the epoxy softens up under the heat and clogs the sandpaper.
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Old 30th January 2014, 03:31 PM   #14
chrisb is offline chrisb  Canada
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There are different types of epoxies

Bondo type auto body fillers are specifically engineered to be sanded / shaped - when mixed in proper hardener ratio and properly cured, clogging is far less of an issue. Wurth is a particularly finely textured and smooth filler.
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Old 30th January 2014, 03:52 PM   #15
kuroguy is offline kuroguy  United States
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my bad. when I hear Epoxy, I immediately think of the clear resin. you do not want to have to sand that stuff.
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Old 30th January 2014, 04:42 PM   #16
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Cut an old paint stick & trim it to size or sub floor calking.
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Old 30th January 2014, 05:25 PM   #17
guangui is offline guangui  Puerto Rico
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Quote:
Originally Posted by kuroguy View Post
epoxy/sawdust is much harder to sand than wood glue/sawdust. the epoxy softens up under the heat and clogs the sandpaper.
Quote:
Originally Posted by chrisb View Post
There are different types of epoxies

Bondo type auto body fillers are specifically engineered to be sanded / shaped - when mixed in proper hardener ratio and properly cured, clogging is far less of an issue. Wurth is a particularly finely textured and smooth filler.
I am certified in installing FRP pipe and doing FRP structural work, so I know epoxy and the different kind. Bondo is a very good solution, but there are a lot of epoxys that can be used. In my home I use one sold at the hardware store, even at Walgreens or CVS that is "brownish", it comes in a two-part syringe and it is easy to mix, no need to measure. This one is very strong and easy to sand, will not clog the sandpaper. But, Bondo is still easier to work with.
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Old 10th March 2014, 02:51 AM   #18
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Bondo....
+1
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Old 10th March 2014, 04:07 PM   #19
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Quote:
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Then I "painted" the cavity and piece of wood with glue and inserted it, it was a perfect fit and I had to tap it with a plastic mallet for it to go in. Problem solved...
I think that's along the lines of what I would have done. Glad it worked out.
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Old 10th March 2014, 04:30 PM   #20
tinitus is offline tinitus  Europe
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constructing a new bass box right now
and had a few like this one
for strongest possible result I decided to glue the wood plugs with 2-component epoxy
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