This how-to video from Lowe's demonstrates how to replace a damaged screen. The tools required are fiberglass screen, spline, tape measure, spline roller, screwdriver, and utility knife. He shows the different options in screen material, and suggests taking pieces of your old screen and spline along to match it. He removes the old spline and screen, lays the replacement screen over the frame and trims it. He uses a spline roller to roll the new spline into the groove and attach the screen. This demonstration shows that replacing a screen is an easy project you can do.