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How to Build an Uneven Wall

The best way to build a wall in an uneven space, such as a basement, is to piece it together in place. To do this, you'll need to secure the wall's top and bottom plates before installing the studs. This will allow you to custom cut the stud to fit the space if the ceiling and floor do not run exactly parallel to each other. Spaces may become uneven due to concrete slab settling or if a structure was poorly constructed.

Things You'll Need

  • Tape measure
  • 2-by-4 lumber
  • Pencil
  • Circular saw
  • Fasteners
  • Hammer or screw gun
  • Carpenter’s level
  • Chalk box
  • Safety glasses
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Instructions

    • 1

      Measure the length of the wall and lay out two rows of 2-by-4 lumber boards to match this measurement. Cut the 2-by-4 lumber to the determined lengths using a circular saw.

    • 2

      Hook the butt end of a tape measure to the ends of the 2-by-4 lumber boards. Place marks on the board faces at 1 1/2, 15 3/4 and then every 16 inches until you reach the opposite end of the lumber. Transfer these marks to both rows of lumber for an exact match.

    • 3

      Place the bottom row of lumber layout marks face up. Secure the 2-by-4 lumber to the floor using the appropriate construction methods, such as nails or screws with wood subfloors, or masonry pins with concrete slabs.

    • 4

      Measure the height from the top of the bottom plate to the ceiling. Transfer this measurement to a 2-by-4 stud and cut it with a circular saw. Place the stud vertically on top of the bottom plate so that it makes contact with the ceiling.

    • 5

      Hold a carpenter’s level on the outside edge of the 2-by-4 stud and plumb it. Mark the location where the stud makes contact with the ceiling and repeat the process at the opposite end of the wall. Stretch a chalk box line across the ceiling from mark to mark and snap a straight line.

    • 6

      Attach the top row of 2-by-4 lumber boards to the ceiling with the stud layout marks pointing down, and place nails every 16 inches or where it makes contact with the ceiling joist.

    • 7

      Stretch a tape measure from the top to the bottom plate face to determine the wall stud length. Transfer this measurement to a piece of stud material and cut to the proper length using a circular saw. Place the stud on the matching layout marks and secure it into place using screws or 16d spikes.

    • 8

      Continue down to the next matching layout marks that are located on the top and bottom plates, and measure with the tape measure. Transfer this measurement to the stud material and cut another using the circular saw. Repeat the process down the entire wall, securing each one as you work across the surface.