Black Diamond On Tape Measure

The next black diamond is 192 inches away from the first stud 384 inches from the beginning of the tape measure and the diamonds go all the way to the 96 inch mark or 8 feet. Several wood product manufacturers offer i beam timbers as a substitute for solid lumber floor joists. Youll notice that the fifth one lands on 8 feet.

black diamond on tape measure

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They are also known as the black truss markings.

Black diamond on tape measure.

The circled numbers on the left shown in the picture below represent the total length of the tape measure.
Now coming to the mysterious black diamonds which may look like dark circles.
The manufacturers print the length on the tape as it is required by the law.
That is one less stud for every 8 feet of wall counting the beginning and end studs.

That fractional measurement is based on supporting an 8 foot plywood panel with five evenly spaced trusses.
They provide a quick visual and speed up the measuring process.
The small black diamonds on a tape measure starting at 192 inches are for truss layouts for 8 foot sheet goods.
Look carefully at your tape and count the black diamonds.

The mystery of the black diamonds on tape measures the black diamonds which appear every 19 316 on metal tape measures are for spacing i beam timbers.
Much as the 16 inch mark stands out for contractors looking to fasten drywall to the studs the black diamond represents the 192 inch spacing traditionally assigned to roof trusses.
The diamond marks on our tape rule blades are for spacing these engineered floor joists in new construction.
The black diamonds on the tape measure represent that spacing.

The first black diamond is at 192 and after that black diamonds appear at 384 576 768 and 96 or 8 feet.