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window design

  1. Design & Plans
    I plan to build a wall onto my existing outside porch with 2 windows. Right now, the porch is supported by two 4x4s on each end. The measurement from one 4x4 to the next is 73"L x 83"H. :mellow: I want to build the wall to code, so my question is this: Can the two 4x4s take the place of the end...