Prehung door adjustment

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Old 09-13-16, 03:30 PM
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Prehung door adjustment

Installed a prehung door 36" and the jamb is square as can be. The only issue is i am having trouble adjusting it at the bottom on the lock side so it is tight against the weatherstrip. I have some light shining thru near the bottom. The rest of the door is fine. Any tricks for adjustment?!
 
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Old 09-13-16, 04:58 PM
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Open the door so that the door just starts to clear the jamb, (pull the door open 1 1/2" until it just starts to clear the jamb) and observe if the door hangs just as plumb as the jamb is. If, for example, there is 1/8 gap on top and 3/8" gap on bottom, then your door (or the wall) is racked which means the legs of the door are not in the same plane (not plumb with one another) and the door jamb is twisted.

To correct a racked jamb that is not touching the weatherstrip on the bottom, the door jamb would need to get tapped in (toward the inside) on the bottom latch side or top hinge side or both... and get tapped out (toward the outside) on the bottom hinge side or top latch side.

If you are simply seeing light because of the way the weatherstripping is at the bottom of the door, you may need either a foam corner pad or a dust pad. See this recent thread for a description of that... starting with the pictures in post #12. http://www.doityourself.com/forum/do...isaligned.html
 
 

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