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  1. #1
    Join Date
    Feb 2012
    Posts
    2

    Default Lap siding on cinderblock

    I am looking for the best advice on how to install lap siding on top of cinderblock walls. I was thinking maybe 2x2 strips attached to the blocks with Tapcon screws?
    Thanks,

  2. #2
    Join Date
    Mar 2008
    Location
    nova scotia, canada
    Posts
    1,522

    Default Re: Lap siding on cinderblock

    thats exactly what you want to do. space the vertical strapping every 16" along the wall and dont forget bug screen at the bottom to keep critters out

    by using this system (rain screen) it will allow the back of the siding to dry evenly which will reduce the chance of hte paint from blistering along with reducing the risk of rot. just be sure to use pressure treated furring as it will be in contact with concrete
    fire up the saw and make some dust

  3. #3
    Join Date
    Feb 2012
    Posts
    2

    Default Re: Lap siding on cinderblock

    Okay, thanks for the response. Now, I will still want to use OSB on the strips, then the siding,,,,,,correct?

    Thanks,

  4. #4
    Join Date
    Jan 2010
    Location
    Northern Virginia
    Posts
    1,194

    Default Re: Lap siding on cinderblock

    What kind of lap siding? If it was wood German siding , then no plywood, that is designed to go directly on studs.
    If weatherboarding (same profile thickness top to bottom) again, no plywood needed, the boards have enough integrity from the extra thickness.
    If tapered clapboards (they run from 1/8" at the thin edge to 5/8" at the drip) then I would prefer to see some kind of sheathing, and tyvek upon the sheathing to keep it dry.
    Casey
    Remove not the ancient landmark, which your fathers have set.

  5. #5
    Join Date
    Mar 2008
    Location
    nova scotia, canada
    Posts
    1,522

    Default Re: Lap siding on cinderblock

    by no means use osb for your furring strips.. it has no holding power on its own when it comes to fasteners.. not only that it will swell and fall apart from water getting at it regularly. use 1x3 pressure treated
    fire up the saw and make some dust

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