How To Install A Replacement Door

Place your door hinges and secure them in place with screws.

How to install a replacement door. The new door should be 1 2 inch less than the height of the rough opening and 3 4 inch less in width. You can do this based on measurements. Tall you ll order a 36 in. If the knob is to the right select a right handed door.

Some blank doors have a specific swing direction. Measure the old door. Install interior trim following the manufacturer s instructions. Before removing the old door have the new one on hand.

Remove the interior trim and measure the width and height of the frame. Finish the job by installing loosely packed fiberglass insulation around the edges of the door frame. Measure the width and height of your old door. It s a good idea to measure the actual door too.

Installing an exterior door that is insulated and made of steel can be heavy and cumbersome due to the weight of the materials. Open the door and stand with your back to the hinges. But do you have the skills and know how it takes to change out or install an exterior door. Read on for info on planning prep work and when you might want to call a pro.

Apply paintable caulk along all of the joints and intersections of the trim and the brick mold. Measure both the door and rough opening to make sure the door is the right size. Wide and 79 1 2 in. If the doorknob is on the left you need a left handed door.

For example if your door measures 35 3 4 in. Round these up to full inches to find the size of the replacement door you ll need. Tilt the door into the opening with the bottom side going in first using shims as necessary to create a secure fit. Place shims around the edges and top of your door frame every 12 inches.

Also measure the jamb depth. If you choose to install a front door made of steel you will need a helper.