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  1. #1
    Join Date
    Sep 2008
    Posts
    1

    Question Pier and Beam foundation roller coaster

    Help! This is the 3rd repair in eleven months on what our contract most recently called a "roller coaster" problem - high spots and low spots throughout our two story 1930's home. We live in Texas about two hours west of Houston. Is there any fix besides just reshimming our foundation every few months?

  2. #2
    Join Date
    Aug 2007
    Posts
    1,131

    Default Re: Pier and Beam foundation roller coaster

    I'm gonna guess that the house is built on expansive clay. As the moisture content varies, the posts are being jacked up and down.

    One of your reputable local contractors surely knows which approaches are used and most favored in your area to deal with this. One is to incorporate short screw-jacks into the post system which can be adjusted to compensate for the condition of the underlying clay at any given time. While still a nuisance to attend to them, it beats the heck outta jacking to add or remove custom sized shims from under the beams.

    Does the house sit in an area where ground moisture fluctuates wildly with rainfall? How's the gutter system? Do those dump their load well away from the house?

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