Forum Title: Prehung door is too shallow
Hi, I've installed in interior door before, so I'm perplexed as to why this one doesn't fit. I bought it at either Lowes or Home Depot over a year ago. When I test fit the door where the slot is supposed to insert into the groove (where the two halves of the door are supposed to mesh together), they don't even touch. My wall is new. It is standard 2x4 with 5/8 drywall. Do most prehung doors only work with 1/2' drywall ? Any ideas? Thanks.
Category: Windows & Doors Post By: TINA SULLIVAN (Escondido, CA), 01/21/2019

You can probably effect a clockwise roll of the door in the frame by adjusting the roller on the bottom opposite the affected area. Look at the bottom of the door. There should be a hole (possibly plugged) into which you can insert a phillips screw driver and increase or decrease the height of the roller. Increasing the height will cause the door to tilt toward the top where you have the gap. Let us know how that goes.

- WILLIAM zJONES (Fort Wayne, IN), 02/26/2019

Hi there, Typical off the shelf prehung door will be set up with 4 9/16 jamb for stud plus 1/2 drywall as Mitch said. Sounds like you might have an adjustable jamb that slides together from both sides of opening. Same question from me...What size gap do you see?

- VICTORIA WATKINS (Bellflower, CA), 02/01/2019

Standard wall thickness is 4 9/16 (2x4 + 1/2 drywall on both sides). So you will probably want to add a thin extension jamb onto one side of your jamb. Usually the side of the jamb that does not have the hinges and latch is the best side to put it on. You usually want to leave a 1/4 reveal, or step back, when you attach the extension onto the jamb.

- Ed Monroe (San Francisco, CA), 02/25/2019

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