Published on 23/04/2018 at 12:42 by the editors
Here's Why The Little Black Diamonds Are Useful
Have you ever wondered what the little black diamonds mean on your tape measure? Wonder no more! Watch our video to learn more.
The black diamonds are mainly used by construction professionals and are called truss marks. A truss is a framework that supports a building and the diamonds appear at the 48.7 centimetres (19.2 inch) mark. If you are working with a piece of plywood the diamond marks would help indicate how many spaces and supports there are. For instance, a 2.4 metre (8 foot) piece of plywood would have 5 spaces and 6 supports.
