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Reinforcing small gaps with more glue?

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Forum topic by Brett posted 781 days ago 967 views 0 times favorited 8 replies Add to Favorites Watch
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Brett

621 posts in 1318 days


781 days ago

I’m building a Roubo bench, with a top made of 4.5-inch-wide yellow pine boards, face-glued to each other.

I did a decent job flattening and gluing the boards, but there still are a few gaps between some of the boards, up to 0.01” across and 1.5” deep.

Can I fill in those gaps with woodworking glue, epoxy, or other adhesive to further strengthen the bond between the boards? I won’t be able to close the gaps by clamping, but I’d like to know whether pouring a little glue into the gaps and letting it dry in place is worth the trouble.

-- More tools, fewer machines.


8 replies so far

View DaddyZ's profile

DaddyZ

2382 posts in 1675 days


#1 posted 781 days ago

Epoxy It, You never know when you might drop a .01 Beercan into it.

:)

-- Pat - Worker of Wood, Collector of Tools, Father of one

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Brett

621 posts in 1318 days


#2 posted 781 days ago

:), DaddyZ.

I’m not worried about dropping things into the gap. The gaps are largely in the underside of what will eventually be a 8-ft-by2-ft workbench top. The only thing holding the boards together is glue. Glue should hold just fine, but gaps mean there are places where the boards are not glued together and I’d like to make things as secure as possible—if not for me, for my kids and (possibly future) grandkids.

-- More tools, fewer machines.

View higtron's profile

higtron

192 posts in 1312 days


#3 posted 781 days ago

If your worried about the top splitting at the joints add a couple cleats on the bottom of the bench top, elongate the lag holes for movement.

-- If I cut it too short I can scab a piece on, but if it's too long what do I do?

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DaddyZ

2382 posts in 1675 days


#4 posted 781 days ago

In That case I would still Epoxy it, You will never be Satisfied if you don’t put all the best effort you can into it.

If you are questioning weather you should, then chances are your should. I would choose epoxy, I think it will smash into the cracks easier.

Be sure to post pics when you are done, I for one love looking at all the pics people put on this website. Just Awesome!!!!!!

-- Pat - Worker of Wood, Collector of Tools, Father of one

View bondogaposis's profile

bondogaposis

2495 posts in 986 days


#5 posted 781 days ago

Epoxy is a very good gap filling glue.

-- Bondo Gaposis

View ajosephg's profile

ajosephg

1850 posts in 2196 days


#6 posted 781 days ago

Wood glue would not increase strength in a gap as described. Epoxy is the way to go.

-- Joe

View doordude's profile

doordude

1085 posts in 1618 days


#7 posted 781 days ago

why couldn’t you rip on the table saw on the crack line,and reglue. or cut a dutchman. take a 1/16 or 1/8 router bit cut a line where crack joint is; and then rip a strip of your bench top wood to fill in.

View doughan's profile

doughan

96 posts in 1226 days


#8 posted 781 days ago

spit on it and rub some dirt in!

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