What Does The Diamond On A Tape Measure Mean

Diamonds in the sky.

These circled roman numerals are sometimes present in between and represent the level of accuracy of the measuring tape. The black diamonds are. Starting at the 19 2 inch mark the black diamond helps you find the center of the. They represent the middle of the studs.

What the black diamond on tape measure actually is. That is one less stud for every 8 feet of wall counting the beginning and end studs. The smallerthe numerals the more accurate your tape is. That s another story for another day though.

The numbers that were mentioned above also come into play here. 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. Mystery tape measure markings here s where the black diamonds come in. The black diamonds give you the assistance that you need with your floor trusses.

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The real reason behind those diamond shapes on. The black diamond is meant to signify the center area between studs in a home or building. 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. The black diamonds on the tape measure represent that spacing.

By unclassified we mean that they have not been tested and guaranteed to conform to a particular level of accuracy. Much as the 16 inch mark stands out for contractors looking to fasten drywall to the studs the black diamond represents the 19 2 inch spacing traditionally assigned to roof trusses. That fractional measurement is based on supporting an 8 foot plywood panel with five evenly spaced trusses. The tapes that don t have these marks have no guaranteed level of accuracy.