Framing a Doorway in the Basement

leted_82

I am trying to frame a rough opening for a prehung door that I plan to install. First, I am trying to install it under the center beam in my basement. It is not as tall as I would like, so I am wondering if I can get by without using a traditional header. The opening I have after installing framing is around 80". The rough opening for the 80" door is supposed to be 82". I would like to trim the jamb and door to make it fit, if I can do so without needing a header above it. I have included a diagram to try to illustrate the issue.

Second, I believe the base of the door jamb will go directly on the concrete (B) rather than resting on the bottom plate (A). Since it is not treated lumber, is this a problem? Or am I incorrect with where I am putting the bottom of the jamb? Thank you very much in advance for any assistance/advice you can provide.

http://www.diychatroom.com/attachmen...1&d=1175120675

Attached Images

Copy of Basement Question Sketch.bmp (19.3 KB, 481 views)

AtlanticWBConst.

Yes, you do not need a structural header on that door. You can try to mount the frame flush against the beam...and cutting the jambs and door down.


It sounds like you are correct. It should not be a problem to mount the door directly on the concrete floor, assuming that you don't have a seriously damp basement.

If you are really concerened, a simple solution is to apply water proof paint over the concrete floor ...or just around the area of the door openings....

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MinConst

Place a couple neoprene spacers under the door jambs to keep it off the floor. Your going to cut the frame anyway. Might as well get it off the floor another 1/2".

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