1. Wall must be clean and dry. 2. Center and apply tape over the length of the joint. Pressing firmly. 3. Apply a generous first coat of compound over the tape. And through the mesh, making sure to completely fill the joint crevice. When the joint has been completely filled, wipe off any excess compound with the drywall knife leaving enough to cover the tape. 4. Let dry completely. Then sand lightly. 5. Apply sufficient thin finishing coats to product a smooth wall surface.