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  1. #1
    jss Guest

    Default Pressure treated sill plate

    I was just told by my building inspector that I need to change out my sill plate on a inside closet wall that is not load bearing.Does this sound correct.It is on a slab floor, vapor barier under the concrete.
    thanks in advance.

  2. #2
    Mike Sloggatt Guest

    Default Re: Pressure treated sill plate

    On Long Island - NY - If it is Contact with Concrete he is Correct.


  3. #3
    Michael E. Burk Guest

    Default Re: Pressure treated sill plate

    I lost my Uniform Building Code some time ago, but as I remember it, anything anywhere in this country at least, if in comes into contact with concrete it has to be green. I was called on a stud in a basement that was against a concrete wall supportint a beam, in Colorado.
    Also note "I just saw this last week" do not burn womanized wood, the fumes are a killer "cynide" if you sniff it, it will surley put your tool in the dirt. I thought everyone knew this.
    see me Mike

  4. #4
    Greg Gibson Guest

    Default Re: Pressure treated sill plate

    Green pressure treated is good but if you've got access to the black use it. It is rated for ground contact.

    That's all I use in building any more unless it goes any where near gardening beds, which is a whole other ball park. In fact I know of several of my suppliers who don't carry any thing other than the Black now.

    And the wetter the lumber the better for me. It means the less splinters I get and less garbage lumber I have to kul through.

  5. #5
    John Doherty Guest

    Default Re: Pressure treated sill plate

    If it is in contact with concrete it must be treated. That is all I have ever known. Now if it is copper nap or borate that seems to be a debate. I really like the "envoronmentally friendly" aspects of borate. For ground contact I have always used ammoniacal arsenate but man that stuff is nasty!

  6. #6
    Fitz Guest

    Default Re: Pressure treated sill plate

    According to ICBO codes, if the slab is at least 3" thick, and has a vapor barrier underneath, plates do not need to be treated.

  7. #7
    Mike Sloggatt Guest

    Default Re: Pressure treated sill plate

    LOCAL Code supercedes ICBO when it is more restrictive. Long Island is a giant sand bar- It has been said that just about every home here has had or will have a termite invasion. Termites come up the masonry wall or through cracks in concrete. Therefore CCA sills are required when in contact with masonry - no matter how thick it is.

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