Plan to make an 8x12x2 cherry box. 1/4” thick sides and 1/8” sound board and back. My question is will the 1/8” thick solid pieces split or crack over time? If so, can it be prevented?

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Hi, timber being what it is always has the likelihood to split, subject to environmental changes, grain orientation, or stress.

I reinforce areas I suspect may fail and I always brace in certain areas of the top and or back.

You may see examples in photos on my page.

Thanks Taff. That is what I thought. How do I access the pictures on your page?

Hi, not sure sorry. But I had a look myself and could not see any internal pics, and I’m away from my computer with all the photos. I must have showed them in other posts.


Thanks for the reply

Click on the members picture icon & it will take you to their page. Once there, you will see a list of things in the upper left corner, under the members name? groups, photos, photo albums, videos, discussions are on the list, click on the one you want to open? 

Hi, I just managed to get a photo. On this top it’s just under 2mm it’s Cedar and 1/4 sawn (grain vertical when viewed from the end).

I have reinforcing around the sound holes and one brace, but this can change from top timber type and/or box size.

Cheers Taff

Bracing is super easy?

Hi again, two things I forgot to mention.
Be mindful not to over-brace your guitar, that was an early mistake I learned when I first started.

And, I always check the end of my braces into the sides for support or support them as shown in the photo.


Thanks ever so much to both of you for the info. I know what to do.

What is the moisture content of the Cherry? If it is 6-9 %, then maintained in a 45-50 % relative humidity environment,  the wood is much more likely to remain stable.

Carl, I have not purchased the wood yet. Thanks for the reply.


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