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Old 04-24-2012, 02:32 PM   #1
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sister cedar to PT okay?


Hi,
Maybe a stupid question...this is for a playset swing beam...I have gotten a lot of good information in another thread...but quick question:

Is there any problem sandwiching a cedar 2x8 with PT 2x8's?

Before using PT wood....do I need to let it dry out?
Is there a good way to prevent it from twisting?

Would sistering the "wet" wood onto the cedar beam prevent the PT sides from twisting?

Thanks!

Great site...

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Old 04-24-2012, 02:37 PM   #2
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sister cedar to PT okay?


I'm not sure about wet wood and how to dry it - thank god my lumber yard delivered nice dry straight PT to my house.

Anyway.... I built the structure of my deck out of PT and the railing, skirting an decking out of Cedar about a year and a half ago. The two types of wood do just fine in direct contact with each other.

Hope that helps...

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Old 04-24-2012, 03:27 PM   #3
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sister cedar to PT okay?


it will be fine.. ive clad pt decks with cedar plenty of times to dress up the deck a bit. as long as you do it before the pt begins to warp it will actually make it stronger and less able to twist or warp as now 3 plys will act as one
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Old 05-19-2012, 03:15 PM   #4
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sister cedar to PT okay?


If a cedar board is sistered to a PT board, would that help prevent the PT from warping?
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Old 05-19-2012, 03:29 PM   #5
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sister cedar to PT okay?


see my last post. its fine by laminating it makes it more stable as the movement from each peice of wood counter acts the other
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Old 05-19-2012, 04:25 PM   #6
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sister cedar to PT okay?


I see it, sorry bout that. I was wondering about trapping the moisture on one side of the board increasing the chance of warping.

If I sandwich a PT-cedar-PT do I stagger the crowns?

I was doin this sandwaich to lessen the likely hood of PT warping...it seems to warp quite a bit.

Has anyone ever made a jig to let boards dry out while keeping PT boards straight?

Thanks!

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