How to Install a Door

You may want to install a new door for practical or aesthetic purposes. If you don’t have much prior DIY experience, it can be a bit challenging to go about it yourself. However, our instructions below should adequately guide you through the process.

Remove the Trim

If there’s a trim surrounding your door then that has to be removed first of all. Start by taking a chisel and moving it along the trim in order to break the caulking. Be careful not to remove too much of the paint along the trim.

Next, stick the chisel between the wall and the trim and gently tap the handle end with a hammer. Then wriggle chisel to loosen the trim. Do this in as many spots as necessary until the trim is ready to come off. Once you have it in your hand, you may want to set it aside for later use.

Removing the Door

Once the trim is removed, proceed to remove any nails and screws that are present on the doorway. You will need a hacksaw, hammer and a chisel in order to do this.

Afterwards, gently close the door and tip it backwards towards yourself so you can catch it. We highly recommend that you have someone present with you to assist you, especially if the door is one the heavy side.

Preparing For the New Door

First of all, you have to take the measurement of the rough opening. As a general rule, rough openings have to be about 2.5 inches taller and 2 inches wider than the door your about to install. If the rough opening is too small or too big, then that has to be rectified first.

Once you’ve got the opening properly prepped, proceed to remove the lock brace that’s present on the side.

Installing the New Door

There are a few different ways to install a door, using different door hardware. In this particular article, we’re going to focus on using brackets to install the door. They’re very quick and easy to work with and will leave your door hanging very true. In addition, they make later adjustments quite easy.

To install the new door, simply following these instructions:

  • Using a vertical plumb line, draw a straight and level line on the hinge side of the drywall.
  • Next, install check where the hinges are on the edge of the door frame and screw brackets beside each.
  • Screw threw ore brackets on the opposite side of the door frame (latch side): the first one should be positioned 8 inches from the top, the second one should be an inch above the latch hole and the third, about 8 inches from the bottom.
  • Use a few evenly sized blocks to prop up the door. Do not place it directly on the floor.
  • Lift up the door and position it into the opening. Make sure that the top of the door aligns with the vertical line that you drew.
  • Proceed to screw the door into the wall using drywall screws. Work your way from top to bottom, aligning each bracket with the vertical line.
  • Using a chisel or a flat screw driver, check the clearance between the frame and the door. It should be equal at all positions.
  • Continue screwing in the door and checking the clearance.

And that’s all there is to installing a door!

Delsie Leff



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