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Door Jamb Size?

Last Post 27 Apr 2009 08:40 AM by tdbuilder. 4 Replies.

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Kyle

New Member

Posts:11

26 Apr 2009 03:38 PM
I am building 8" Liteform with 2" EPS inside and out....what size should i make my jambs? Are you guys making them yoursleves or modify a store bought set up? Thanks. KYLE

tdbuilder

New Member

Posts:67

26 Apr 2009 05:27 PM
For exterior doors I will order doors for a 2x4 wall and subjamb them out. I order them for the 2x4 wall because I can get them cheaper then for a 2x6 wall where I am. I have to subjamb with either size. If you order them from your door supplier with the wider jambs they usually soak you pretty good for them. Interior doors; my subs custom rout the the door jambs so I will use ripped material for them so it is one solid jamb, IE; if I have a 4" wall that continues to the interior my wall would be 10" wide with my foam so I will have a 1x12 maple,oak or whatever ripped to 10" for that door. I don't run into interior all that often but every once in a while. Long story short let you finish carpenter sub-jamb

JBACC1103

New Member

Posts:28

26 Apr 2009 08:13 PM
Depends on the door. I got a steel double door with a 11" jamb size at HD for a slight upcharge. the sill plate was not a full 11" but seems to work ok. I am awaiting a price on a therma-tru entry door with a 11" jamb and sill.......we'll see. Why not ask, if you can get what you need for a reasonable price why not. If they want to charge a crazy amount, let the carpenter do it. If you have 8" wall with 4" of foam, you will need a full 12" of jamb. That might be tough to come by. Mine is a 6" core with 5" of foam so 11" is good for me.

It ain't easy being green....

Kyle

New Member

Posts:11

26 Apr 2009 08:22 PM
Thanks for the responses guys...kind of what i figured, let the carpenter finish out the sub-jamb assembly. Problem with that is, i am the "carpenter", and electrician, mason, plumber, ect. I have a chance now to premake the jambs before i head to the 9500 ft building site...i would like to do as much ahead of time as possibe. regards, KYLE

tdbuilder

New Member

Posts:67

27 Apr 2009 08:40 AM
One big problem I had with big jambs (we premade them on a couple of jobs and attached them) is that they always seem to get beat up. We had every thing from guys setting tools on the nice wide jambs to just general job site abuse. If you are doing it all you will avoid a lot of that. Around here the windows are finished in place so it was no big deal to subjamb it and then the painters would come back and stain or paint them after they were in and make them look as one big unit. With that said if you can get them with the wide jambs for a resonable price go for it.