Fixing Cracks in Slabs part 2

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Forum topic by Manitario posted 10-31-2012 01:00 AM 1542 views 0 times favorited 4 replies Add to Favorites Watch
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2629 posts in 2846 days

10-31-2012 01:00 AM

Another question for those of you who’ve worked with large slabs; I have some cracks on the bottom of a large elm slab that I’m going to use for a tabletop. The crack is about 1/2 deep in a 2 1/2” thick slab. I don’t care about the appearance (it’s going to be the underside of the tabletop) but I would not be happy if the crack eventually extended through to the surface. So, several questions:
-is the crack likely to extend if it is just superficial right now?
-if I should fix it, will filling the crack with epoxy work or should I “butterfly” it?

-- Sometimes the creative process requires foul language. -- Charles Neil

4 replies so far

View Timberwerks's profile


360 posts in 3124 days

#1 posted 10-31-2012 01:18 AM

View Gerald Thompson's profile

Gerald Thompson

914 posts in 2198 days

#2 posted 10-31-2012 12:21 PM

Butterflys (Dutchman) have worked for a long long time.

-- Jerry

View exelectrician's profile


2327 posts in 2391 days

#3 posted 11-05-2012 09:26 AM

...and put pocket screws in the back, just to be sure.

-- Love thy neighbour as thyself

View Woodendeavor's profile


276 posts in 2570 days

#4 posted 11-05-2012 01:54 PM

I have used epoxy many times in this scenario, I like to use west system epoxy, the metering pumps are great, with transtint dye to set it off from the wood. I have an end grain table with cracks the whole way through and wider than yours that have not moved in the last 2 years

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