That's right -- the average storm door retails for $416, but those costs can rocket up to $1,600 if you make a custom design or need double doors for a front entrance, much less a pair of French ...

Larger and smaller openings can be fit with custom-made doors, with double-door kits available. Storm doors can be hinged on either side and screw into existing jambs. Larson, Pella and Andersen ...

Hira says a custom door is built to within 1/16 of an inch of your door opening. Standard models, on the other hand, come in about three or four sizes; installers tweak the door to make it fit the ...