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Author Topic: Timber frame Cross for church  (Read 666 times)

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Offline kng

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Timber frame Cross for church
« on: June 08, 2017, 09:01:21 pm »
Our church is wanting to replace the timber frame cross in front of our church due to bad checking. I believe the cross is red oak, because that's what was growing there originally, and after it died they sawed it up for the cross.







They want to replace it with white oak logs, which I have two 10' logs that are about 13" and 20" diameter.  The cross is about 7.5"x8.5" and 9 foot tall. 

How should I approach this?  Should I box the heart?  Can I cut the half lap joints green?  I was planning on putting 3 ~1" white oak pegs cut from the same log.

Thanks for the help!
-Kyle
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Offline PC-Urban-Sawyer

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Re: Timber frame Cross for church
« Reply #1 on: June 08, 2017, 09:39:38 pm »
Hope they're not going to throw out that "Old Rugged Cross"...

Herb

Offline kng

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Re: Timber frame Cross for church
« Reply #2 on: June 08, 2017, 09:45:54 pm »
Good point Herb!  I'm not sure what the plans are for the old cross.  What do you recommend? Re-saw to get boards from the old tree, or leave as is?
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Offline Roger Nair

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Re: Timber frame Cross for church
« Reply #3 on: June 08, 2017, 10:34:32 pm »
If you can, try to cut the logs to yield free of heart timber and trim off sap wood.  With out a heart the checking in the new cross would be more minimal.  Water seeping into the joint should be addressed by sloping the top surface and the bottom surface should have relief cuts so a drip edge is formed.
An optimist believes this is the best of all possible worlds, the pessimist fears that the optimist is correct.--James Branch Cabell

Offline Briankinley2004

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Re: Timber frame Cross for church
« Reply #4 on: June 10, 2017, 10:07:46 pm »
If the old,one is still solid you can fill the cracksmwith epoxy then coat with thinned CPES. Finish coat with varnish and it will be born again 😀  You can also use same procedure on the new one with several coats of spar varnish assuming it is dry

Offline Don P

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Re: Timber frame Cross for church
« Reply #5 on: June 11, 2017, 06:55:00 am »
I don't think you'll be able to get free of heart with the logs you mentioned, that would help with checking. I'd be tempted to put a copper cap on the horizontal wood to keep water from soaking in.

Offline kng

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Re: Timber frame Cross for church
« Reply #6 on: June 13, 2017, 06:39:52 am »
Do both of these look like white oak?

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Offline btulloh

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Re: Timber frame Cross for church
« Reply #7 on: June 13, 2017, 07:33:46 am »
The one on the left looks like post oak to me.
HM126

Offline kng

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Re: Timber frame Cross for church
« Reply #8 on: June 18, 2017, 11:41:37 am »
Thanks btulloh!
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Offline kng

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Re: Timber frame Cross for church
« Reply #9 on: June 26, 2017, 09:01:48 pm »
Will the post oak and the white oak grain and color be different? I asking if it will be obvious that the horizontal and vertical beam doesn't match.
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