ProForm, 2"x250' paper joint tape. creates added strength in joints. It folds at corners easily due to center crease. It resists distortions such as stretching, wrinkling and tearing. Use on Gypsum panel joints and interior angles - apply crease side in. Use with ready mix joint compounds. Approximate coverage is 375ft/1000 square feet of gypsum board. (114m/93 sq m)