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best epoxy for joinery?

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Forum topic by Juan_Eduardo posted 01-13-2019 01:53 AM 471 views 0 times favorited 4 replies Add to Favorites Watch
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Juan_Eduardo

10 posts in 282 days


01-13-2019 01:53 AM

the handrail on my front stairs broke in a jagged fashion along the grain. I’m told I should use epoxy to mend it as it has the ability to fill gaps as well. I’ve only used wood epoxy for filling/modeling. Can anybody recommend a good epoxy for joining and advise on where to get it?

many thanks in advance…

-- just figuring this Sh__ out as I go


4 replies so far

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Juan_Eduardo

10 posts in 282 days


#1 posted 01-14-2019 01:56 AM

Only epoxies I’ve used are the plastic types (usually found in syringe form) and filling epoxy (like PC Woody and similar).

Is there a wood joinery-specific epoxy I can get my hands on? The big box hardware stores don’t seem to have anything besides the two types I first mentioned…

-- just figuring this Sh__ out as I go

View CharlesA's profile

CharlesA

3386 posts in 2310 days


#2 posted 01-14-2019 02:35 AM

If there is a way to adequately clamp it, I would use PVC glue to reattach (it’s stronger than the wood), and then tape off the gaps and fill in the gaps with the 5 minute epoxy you can find in a big box store. You can easily sand it even with the wood. I use epoxy for gaps, etc, with some regularity. It is a pain in larger quantities, particularly vertical surfaces, which I’m assuming your stairs are.

-- "Man is the only animal which devours his own, for I can apply no milder term to the general prey of the rich on the poor." ~Thomas Jefferson

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CaptainKlutz

1898 posts in 2007 days


#3 posted 01-14-2019 10:21 AM

Most wood working shops carry either Bob Smith, Z-Poxy (ZAP), or T-88 (System Three) for use as structural epoxy adhesive. 15 or 30 minute cure times will provide best strength and less frustration to hurry. Typically sold in 8 oz, or 16oz kits. Bob Smith and ZPoxy brands are ubiquitous. Can find them at hobby stores, craft stores, sporting goods shops (fishing rod and gun stock repair), even some of larger BORG stores.
Get some measuring/mixing cups and sticks while you are shopping, if you don’t have these already for finishing.

If you need to use regular BORG, or Ace hardware variety Loctite/Permatex epoxy; use one with long 15-30 minute cure time. 5 minute cure will bond well, stronger than wood; you just have to work fast. Remember you have to spend 1 minute mixing it thoroughly!

Best Luck.

-- I'm an engineer not a woodworker, but I can randomly find useful tools and furniture inside a pile of lumber!

View MrRon's profile

MrRon

5721 posts in 3756 days


#4 posted 01-14-2019 09:55 PM

Original JB weld is my go to epoxy for anything that needs fixing that needs to stay fixed. It should be available just about anywhere, but your big box stores will have it for sure.

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