1. Adjust Your Closer. Your storm door likely has one or two closers. Adjusting the speed on these can help prevent your door from slamming and ensuring a tight close every time. If you have two closers, adjust one at a time. Disconnect one by removing th

Storm Doors. Closers (Pneumatic) How do I adjust my door to make it close faster or slower? If your door has two closers, unhook one closer to adjust one closer at a time. Turn the adjustment screw or knob (varies by model) 1/4 to 1/2 turn at a time, unti

Door closers consist of a pneumatic cylinder, which controls the speed of the door, and a bracket, which holds the cylinder to the door. Look at the end of the cylinder closest to the bracket, with the door closed, to see the adjustment screw. [1]