How many spring hinges per door should I use?A. Most doors will work just fine with 3 hinges, if your door is under 60 inches tall then you will only need 2.
Will this cause the door to shut completely?A.
Yes, the DSH35R5 will shut a door completely.
Can you just chane out one hinge and leave the rest without spring hinge?A.
The Deltana DSH35R5 you'll want as the center hinge.