What Is The Diamond For On A Tape Measure

They start at 19 2 inches which was originally used in metric layouts.

The black diamonds on the top scale of a tape measure are for truss layouts for eight foot sheet goods. The black diamonds are. That is one less stud for every 8 feet of wall counting the beginning and end studs. The black diamonds on the tape measure represent that spacing.

The numbers that were mentioned above also come into play here. That s another story for another day though. It stands to reason those who make money for building will need tape measures that are a little more in depth than those of us who just get them out to check our height. Your tape measure may look like a simple measurement tool but it s equipped with a rich variety of useful marks that help construction and remodeling professionals work with greater speed and accuracy.

The tape measures also come with markings that are supposed to help you when it comes time to space your wall studs. The next black diamond is 19 2 inches away from the first stud 38 4 inches from the beginning of the tape measure and the diamonds go all the way to the 96 inch mark or 8 feet. These circled roman numerals are sometimes present in between and represent the level of accuracy of the measuring tape. The first black diamond is at 19 2 and after that black diamonds appear at 38 4 57 6 76 8 and 96 or 8 feet.

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The black diamonds give you the assistance that you need with your floor trusses. For instance every multiple of 16 inches is highlighted to help carpenters position studs and joists properly and black diamonds assist framers.