Hello, It is a good idea when using a thickening agent with epoxy to coat the joint with the freshly mixed thin epoxy before you add the thickener and then add the thickened epoxy to the joint, this way you stand a better chance of the epoxy soaking into the wood. Kenny. > Well,

> Not minutes after someone posted a question about my using 3M bubbles as a
> thickener in my scarf joints, and the possible ramifacations to strength,
> did one break. Now what? I have to assume that all six joints are weak and
> I don't know how to fix it. Do I intentionally break all the joints re
> scarf them and re-epoxy them? I'll be losing some length, does this mean
> even more scarfs on the ends to add length? should I start over with new
> plywood? The instructions call for wood flour as a thickener, I'm told saw
> dust works as well, are they just for colour? Had I just used epoxy and
> hardener would the joint have been stronger? I had originally just used
> epoxy and hardener but added the only thickener I had because one of my
> CLC manuals said to, of course it doesn't say why (strength, colout etc.)

> Look forward to more of your wisdom. Dan