Now youâre ready to apply the caulk. For good measure, start your first caulk line in an inconspicuous area (in case your practice wasnât enough). Hold the nozzle opening parallel to the joint and apply a 2-3 foot bead. Donât do more than this because youâll need time to smooth it before it starts to dry and skin over.
1/2 inch thick by 42 inches high by 72 inches wide. The official backboard in the NBA measures 3.5 feet high and 6 feet wide. Usually, it is made from tempered glass or fiberglass. Somewhere at the middle part of the backboard is a rectangle, which is used primarily for making bank shots. It measures 1.5 feet high and 2 feet wide.
1 Mens and Womens College Basketball Courts â the 3 point arc is 20 feet 9 inches. 2  High School Basketball Courts â the 3 point arc is 19 feet 9 inches.he regulation distance from the ground to the top of the rim is 10 feet for all levels of play. Regulation backboards are 6 feet wide (72 inches) by 42 inches tall. All basketball rims (hoops) are 18 inches in diameter. The inner square on the backboard is 24 inches wide by 18 inches tall.