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How do you stop a storm door from slamming?
My storm door was installed a few months ago and when you open the door it slams closed. There is no way to adjust the air pressure in the door pump. Please help me because hearing the door slam everytime someone walks in the house is very annoying.
First, to determine of the closer (pump) is pneumatic or hydraulic, just listen. Pneumatic is pushing air, so it will sound like hissing. If pneumatic, check for cracks and feel for leaks (a light dust, like flour, can make this visable). If none, there is usually a 1/4" flat head screw on hinge side of the closer, turn clockwise (right) until it stops. Release the door, if it still slams, the valve is blown. If the door stands open, turn the screw counter-clockwise until it slowly shuts.
When the hydraulic closer valve blows, you usually know instantly, because a orange-ish colored, slippery fluid is all over the floor. The adjustment for these are usually on active side (opening), and uses the same procedure.
If replacement is necessary, I recommend the Ryobi hydraulic closer that sells at Home Depot for around $35, I think. You would have to do some installing, as opposed to just bolting on, but it will last longer.