How To Install Interior Door Casing
Lacking miter clamps install the casing one piece at a time.
How to install interior door casing. In addition you should place the casing at about 1 2 from the bottom of the door header. After half an hour of clamping you can then install the casing as a unit. Learn how to install window and door trim and the tools and techniques you ll need.
For this we re going to be using a 1 by 4 piece of trim a carpenters pencil a trim gun hooked to an air compressor a tape. Consequently you should use a spirit level over the top casing as to make sure it is aligned. I m going to show you how to install door casing on an interior door.
The door needs to fit comfortably inside the jamb. Then attach 6 installation brackets along the outside of the door jamb placing a bracket behind each of the 3 hinges. Hold the door against the jamb to check for clearance.
Add or remove shimming so the door fits. You can hold the jamb in place by lightly hammering in a few nails. Nail one leg to the jamb first using 4d finish nails or 1 inch 15 gauge gun nails spaced about 16 inches apart.
How to install chair rail. Next attach 3 brackets to the other side of the door jamb. To install an interior door start by drawing a plumb line down the wall that s 1 2 inch from the opening of the doorway on the hinge side.
The first step of installing door casing is to mark the cutting lines on the head trim.