Johnson Johnny Square Mach-1 Takes Layout Tools to the Next Level When it comes to precision in framing and carpentry, […] ...

The Rafter Square, or Speed Square, does more than mark perpendicular lines. Here's how to make sense of all the numbers on your square and get the most out of this tool.

and layout of virtually any rafter configuration. The book is a fantastic resource, especially if you don't use a Speed Square every day. While some folks find all the markings on the Speed Square ...

This is the part of the job that will confound you. Here’s how you use your framing square to measure and cut the lumber for a rafter: Starting at one end of the piece of lumber, lay the square ...

For L.B. of Whitehall, it's a a triangular-shaped measuring tool used to mark straight lines and virtually any angle in construction work. One popular brand is Speed Square. like on rafters.