New Storm Door. Measure the width at the top, center and bottom. Carefully measure the height and width of the door frame.

Test closing the door to see if there is a 1⁄4 in (0.64 cm) gap between it and the side piece. Find the long metal piece in your storm door’s box and hold it against the other side of the frame. Storm doors are a necessity if you need to enhance the safety of your home.

Both Were Purchased From Lowe’s Using Our Military Discount.
After taking three measurements of each, jot down the narrowest width and shortest height. Begin the project by folding open the box and removing the glass storm panel. Warmer climates don't need storm doors to protect the door from winter weather, but the screen would allow air to circulate during nice weather.
Pick A Flat Area Near The Entry Door, Lay The Box Flat On The Ground, Fold It Open And Check To Make Sure You Have All The Parts.
Reposition the drip cap, then insert a single screw on the hinge side of the door. Measure the depth of the door jamb, the frame to which the primary door is attached. Most manufacturers require about 3/4 to 1 inch of flat area on both surfaces.
Painting The Old New Storm Door.
Available in multiple shapes and sizes. Measure the inside face of the trim. To determine the length of the hinge jamb, go to the doorway and measure the distance from the head jamb down to the sill.