We ordered all the doors for our new house at the same time, including the basement ones. The basement doors have been sitting in the basement in the original packaging for over a year now.
As you can see the doors in our new home are all six panel colonialist textured hollow core doors. As you can see in the second photo the front and back casings are attached to the two halfs of the jamb hence the split portion of the jamb. The first step is to take apart the frame. This is done by simply pulling the front molding and jamb away from the back molding and jamb. As you can see in the photo there is a slot in the main jamb that accepts the back jamb. The door is already attached to the main jamb with hinges.
Place a level on the top and sides to make sure the door is level and plumb. Once the door is level and plumb then you can attach it using some 10d finish nails. You nail directly through the casing into the wall framing. The next step is to work from the other side of the door. Now all you have to do is install the remaining split jamb. In the photo below you can see the door from the hall side with the slot that accepts the remaining jamb.
All you do is simply slide the other jamb into the slot and slowly work it together until it is tight up to the finished wall. The only thing left to do is install the door knob set and strike plate. The time savings is great and it really saves on trimming out the door. I'm full time builder for a large construction company in New Hampshire.
I run their design-build division that specializes in custom homes, commercial design-build projects and sub-divisions.
I'm also a licensed civil and structural engineer with extensive experience in civil and structural design and home construction.
My hope is that I can share my experience in the home construction, home improvement and home renovation profession with other builders and home owners. Please feel free to contact me if you have any questions, suggestions or you'd like to inquire about advertising on this site. All posts by Todd ». Search for more articles here. Enter keywords like, 'insulation' or 'kitchens' etc to find your topic.
SUre is tempting right now as we struggle and fail to install our non-prehung door. What brand were your split-jamb doors? I have been having trouble finding a source for this type of door.
I would appriciate your help. Joe — I actually buy my doors from a local lumber yard that has a complete door shop. However, they buy quite a bit of there materials from Brosco supply I believe. Your best bet if finding a local lumber yard that builds doors and services them. What part of the Country are you in? Rob — I would just have a small glass sash made by a local glass shop, then cut the door and install it. I am trying to install a split jamb pre-hung door and having some issues with shimming and squaring the door.
First off, the rough opening is perfectly level and square and the right size for my door. Being such, I figured this would be a breeze. However, even though my level shows dead center in the bubble on each side and top of jamb, I have a large gap on the knob side and tight fit on the hinge side and binding and flexing of the lower hinge as I attempt to close the door.
Jeffrey — Split jambs can be tricky. The problem is the jamb itself is rather flexible so while the rough opening is square and plumb, the jamb can move easily. Does the split jamb having casing on it already?
Good luck. I am trying to repair existing split jamb doors in our house that we recently purchased. The frames are over 20 yrs old and are coming apart at the casings and top split joint. The casings have cracked and pulled away from the wall at the top joints.
And where would be the best place to start? Top, middle or bottom? If you could provide a quick tutorial of how you would proceed, that would be great! I have three doors to fix :. In my opinion….
Name required. Mail will not be published required. Sign me up for the newsletter. This site uses Akismet to reduce spam. Slip the remaining half of the split-jamb into place and nail it into position with a finish nailer.
Replace at least one screw from each hinge on the door jamb with a 3-inch long screw in the door frame to solidify the door. Chris Baylor has been writing about various topics, focusing primarily on woodworking, since By Chris Baylor. Related Articles. Check for Even Floor Level Place a level that's the same width as the door opening on the floor inside the door opening and see if the floor is level.
Insert the Door-Side Jamb Into the Opening Separate the two halves of the split-jamb and remove the nail holding the door in the jamb. Shim the Jamb Insert 3-inch shims vertically between the jamb and the door opening to hold the door jamb in place. Install the Split Jamb Slip the remaining half of the split-jamb into place and nail it into position with a finish nailer.
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