Remodeling your home can be exciting, but it does come with some challenges. If you want to install new doors or create a door where one didn't previously exist, you will need some replacement door frames.
Installing these door frames can be tough. You will need to take the time to carefully prepare for the actual installation to ensure your new door frame looks and performs its best.
1. Make sure your door frame will fit.
One of the biggest mistakes that a homeowner can make when it comes to installing a new door frame is investing in a frame that will not fit. You must measure the opening in your wall to determine the right size door frame.
Start by measuring the width of the opening at the top and bottom. These measurements might differ slightly, but they shouldn't be off by much.
You should use a level to check the vertical sides of the rough opening to see if they are straight. You will want to measure the width at the narrowest point to ensure that it is close to the measurement of the top and bottom widths. If any of these measurements show discrepancies, you will need to adjust the rough opening to fit your door frame.
2. Check to see if the floor is level.
The floor can have an impact on the way a new door frame fits into the rough opening in your wall. You want to check to see that your floors are level. Homes can settle and shift over time, and this often results in the appearance of slight angles in the floor.
Place shims beneath your measuring tool as needed until you achieve a level readout. Measure the thickness of the shims, and mark the side of the rough opening where the shims were placed.
3. Trim the door jamb.
In order for a new door frame to fit, you may need to trim off some of the door jamb. This step will be critical to your success if your floors are not level. You will use the measurement of your shims to determine how much needs to be trimmed from the jamb.
Be sure to trim the high side of the jamb -- this is the side opposite your marking on the rough opening. This will eliminate potential drag and bring the bottom of your new door jamb flush with the slope of your flooring.
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