Black Chalkboard With Wood Frame amazon Binders Display Easel BindersTable Top Display Sign Black Chalkboard Double Sided Sign measures 18 X 18 with wood frame each board measures approx 15 inches without wood frame Portable Folds Ideal for chalk Great item for banquets weddings and more Black Chalkboard With Wood Frame blackboard also known as a chalkboard is a reusable writing surface on which text or drawings are made with sticks of calcium sulfate or calcium carbonate known when used for this purpose as chalk Blackboards were originally made of smooth thin sheets of black or dark grey slate stone to build a diy wood frame for I need help do you know where I can find wood already ready to make frames I need wood about 1 2 to maybe 1 inch wide with a back where the glass can be inserted so glass will not come out I need to wood to cut in different sizes to make several frames Black Chalkboard With Wood Frame Black Chalk Board Common 3 Black Chalk Board o