What do these lumber fractions mean? 4/4, 5/4, 6/4, 8/4, 10/4, 12/4
In short, these fractions refer to the thickness of hardwood lumber. The thickness is expressed as a fraction, and goes in increments of quarters of an inch.
Over the last few months, I’ve whittled up a healthy number of Baltic birch sheets to build a wide array of projects. A router table and fence, several drawer boxes, a craft table. In the same months, I’ve seen my colleagues use Baltic birch to make a table saw cross cut sled, a glue rack, a bookcase. The uses for Baltic birch are seemingly endless and the reasons why become apparent when you see what makes Baltic birch unique.