Home Improvement Expert Danny Lipford

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How to Find Square Layout Lines


If laying out square lines is part of your next home improvement project (like tiling a bathroom floor) here’s a great tip. Establish one line parallel to a wall (the most visible one works best) and mark off 4 feet on it. ...More




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How to Find Square Layout Lines

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If laying out square lines is part of your next home improvement project, here’s a great way to do it using the Pythagorean theorem (A² + B² = C²) to form a right angle triangle with 3′ and 4′ sides and a diagonal of 5′:

  1. Establish a 4′ line parallel to a wall.
  2. Measure out 3′ from one end of the 4′ line roughly perpendicular to it.
  3. Hold a tape measure on the other end of the 4′ line.
  4. Measure 5′ so it forms a triangle with the end of the 3′ line.
  5. Adjust the angle of the 3′ line until the tape measure aligns with it.



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