wall patch is a new kind of compound material to repair the damaged walls and ceilings. it is made of fiberglass self-adhesive mesh and aluminum board. it has the character of light-in-weigh, good stick and easy application. what is more, after repair, the repaired surface is smooth, beautiful, no cracks and no difference with the original walls. it can permanently repair damaged walls and ceilings. specifications: 4”*4”, 6”*6”,”8*8” direction of application 1. lightly sand around hole and wipe clean. remove backing paper from wall patch. 2.apply patching compound to metal side of wall patch and press firmly over hole. 3.cover entire patch area with compound, feathering edges. let dry, then sand. 4.repeat as needed.apply texture, then prime and paint or wallcover.