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Doors & Windows

Exterior door installation

I am moving a family room wall four feet into the garage, constructed of 2x4 studs. This will require a change of location for the exterior door (25 years old) in that new wall leading into the (smaller) garage from the family room. I picked up a new door at HD, but when I got home I discovered it was designed for 4-9/16 Jamb.  Can I make that work?  I noticed online, that I can get a door with 4" jamb.  Will that work with my 2x4 stud wall?
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Posted 2016-11-24T20:17:16+0000  by crgianotti crgianotti
A 4 9/16" jamb is designed to work with a typical 2x4 stud wall.  3 1/2" for the thickness of the stud plus drywall on each side (1/2" x 2) equals 4 1/2".  That provides an extra 1/16" for a "fudge factor" because it's better to have the jamb slightly proud of the wall surface when hanging the trim.

For the garage side of your new wall you should be using 5/8" thick fire-rated drywall and the door should also be fire-rated and self closing.  You'll want to check with your local building code department for their requirements.
Posted 2016-11-25T10:02:42+0000  by Adam444
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