If its a storm door with a single handle, make sure its not in the locked position and see if it clears the latch on the jamb. ( the side). If its an entry door, make sure you have your backset, (the part that goes in from the edge of the door) in the correct setting. You would have to remove the knobs to check that. Lets start there.
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If its a storm door with a single handle, make sure its not in the locked position and see if it clears the latch on the jamb. ( the side). If its an entry door, make sure you have your backset, (the part that goes in from the edge of the door) in the correct setting. You would have to remove the knobs to check that. Lets start there.
sorry wrong subject