How to Use the 3 4 5 Method to Square Up a Wall

April 6, 2015 How to Use the 3 4 5 Method to Square Up a Wall.

Based on the Pythagorean Theorem, what is known as the “3 4 5 Method” is a foolproof way to square up a new wall to an existing wall. It is a simple technique that sounds much more complicated than it actually is.

The 3 4 5 Method has many applications, in addition to when you are constructing a wall or a room. It can be used when you are tiling a floor, building a deck, or basically any construction project where you need to create a 90 degree angle. Once you know it, you will always remember it! Watch this video to learn exactly how it works. You will find yourself using it again and again.

You can do this!