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  1. #1
    Ken Corbitt's Avatar
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    Default Cedar posts in contact with paved surfaces

    Is cedar considered naturally decay resistant enough to be placed in contact with paved surfaces like at a front porch column, or must they be placed on a plinth block like non-treated pine?

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  2. #2
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    Default Re: Cedar posts in contact with paved surfaces

    Anytime you stand it on it's end grain it acts like a sponge. Pressure treasted or not.
    Block is always a good idea.
    As far as requirement. I would call you're local building dept for their take on it.


  3. #3
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    Default Re: Cedar posts in contact with paved surfaces

    You should use one of these regardless of lumber type.

    Shop Simpson Strong-Tie 4 x 4 Standoff Post Base Z-Max at Lowes.com

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  4. #4
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    Default Re: Cedar posts in contact with paved surfaces

    Quote Originally Posted by Ken Corbitt View Post
    Is cedar considered naturally decay resistant ...
    Depends.

    Most cedar is not considered naturally decay resistant, but some is:
    - From the 2006 IRC:
    - - NATURALLY DURABLE WOOD. The heartwood of the following species: Decay-resistant redwood, cedars, black locust and black walnut.
    - - - Note: Corner sapwood is permitted if 90 percent or more of the width of each side on which it occurs is heartwood.

    For information on heartwood, go here:
    http://northernwoodlands.org/article...and_heartwood/
    Wood - Wikipedia, the free encyclopedia

    Quote Originally Posted by Nick Ostrowski View Post
    You should use one of these regardless of lumber type.

    Shop Simpson Strong-Tie 4 x 4 Standoff Post Base Z-Max at Lowes.com
    Nick is correct.

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  5. #5
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    Default Re: Cedar posts in contact with paved surfaces

    Quote Originally Posted by Nick Ostrowski View Post
    You should use one of these regardless of lumber type.

    Shop Simpson Strong-Tie 4 x 4 Standoff Post Base Z-Max at Lowes.com
    Or you can do what this builder did - set them up on hockey pucks.

    BTW, that is one of 3 Douglas Fir posts and there were no splits or checks in any of them. I wanted to ask the builder how he seasoned them.

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  6. #6
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    Default Re: Cedar posts in contact with paved surfaces

    best to know the post size and load
    4x4 may be inadequate for material dimension and intended purpose
    AB/ABA/ABE/ABU Adjustable and Standoff Post Bases

    badair http://www.adairinspection.com Garland, TX 75042
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