What tools do you need? @ Pencil & Utility knife oo pale measure Silicone glue « Measure your wall Make sure your wall is clean, dry and dust free. amo +» How many panelist need? = Panel: 19.7 in. X 39.4 in. Each panel covers approximately 5.3 sg. ft. One box contains 1 panels and covers 53 sq. ft. The area of 8 12 feet wide and 8 feet tall wall is 96 sq. ft., which can be covered by 2 boxes, leaving 1 spare panel for cutting errors and rounding.