What Is The Black Diamond On A Tape Measure For

So putting a diamond at 19 2 to allow quick layout.

My understanding is that the black diamond at 19 2 is mainly because although you would place pine joists at 12 of 16 for floors you are permitted by code to place p lam manufactured laminate joists farther apart and still be structurally equal to pine joists at 16 o c. This is what the black diamonds on your tape measure are for this will floor you this is what the black diamonds on your tape measure are for on top of that there s a separate reason why some tape. And as it turns out the small diamond shaped black mark on your tape measure actually has a very important purpose that ll help you in your quest to diy. Image by josé manuel de laá from pixabay.

The small diamonds are typically seen at the 19 2 inch mark on the tape measure.