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How To Hang An Interior Door

The sixth addition to our series of how-to guides demonstrates the tools and techniques needed to hang an interior door. To see all of our other guides head over to our YouTube channel.
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Transcript:

Through the course of this video, you will be given the information you need to hang an interior door. But before you begin the project make sure that your new door is acclimatised to your home. You should lay the door flat on an even surface for 3-4 days inside your home, to allow for any expansion or contraction of the door; always check the manufacturer’s instructions for the door, to ensure you fully understand how to proceed.

You will find a full list of tools and materials needed at the end of the video.

After removing the old door, the first thing you need to do is cut the new door to the right size for the frame. To work out if it needs trimming, stand the door up in the opening and use a pencil to mark the top of the opening on the door. Now take the door out of the doorway and secure it on a workbench. Transfer the measurement from the doorframe to the bottom of the door, and add 3mm or more, taking into account the thickness of your carpet. Now trim this away making sure your cut in a completely straight line across the door. Then trim 3mm from the top of the door for clearance as well.

Now ensure that the width of the door fits, if it doesn’t, then take a measurement and divide it equally between the 2 sides. For example, if your measurement is 4mm, that will be 2mm on each side. Now trim this amount plus an extra 3mm for clearance.

Now we need to get the door into the position that it will eventually hang. You can do this by putting small wedges beneath the door, lifting it to the top of the frame. Ensure that you maintain a gap of approximately 3mm all around the door. Use the wedges to position the door in the middle of the opening. Once the door is in place, mark the position of the existing hinges at the bottom, the middle and the top, onto your door.

Remove the door and then position the hinges on the door using the marks you just made, then draw around their outline then measure the thickness of the hinge plate and mark a line on the edge of the door to the same thickness. Now use a sharp chisel to cut around the inside lines showing where the hinges will be situated.

Now hold the chisel at a 45-degree angle to the doorframe and make stepped cuts to the required depth every 5mm. It’s very easy to splinter the wood if you’re chiselling with the grain, so ensure that your chisel is sharp and take care to make lots of little cuts rather than one big cut.

Next turn your chisel flat side to the door and chisel out the recess for the hinge plate. Using the hinge as a guide drill pilot holes in the door, this will decrease the likelihood of splitting the wood when you screw the hinge plate in. Once the holes are carefully drilled, screw the hinge into place pick up the door and place it against the frame, so that it’s in the position it will be when it’s open to 90 degrees.

With the door in this position put a screw through the bottom hole of the top hinge plate, and screw into place. Next fix the bottom hinge plate in place with one screw through the bottom hole of the hinge plate, before putting a third screw into the top hole of the upper hinge.

Before putting any more screws in check that the door opens and closes without catching anywhere. If it does catch, mark the area, remove the door and make the necessary adjustments to prevent it from rubbing, either with sandpaper or a plane. If the door shuts cleanly, make any final finishes such as painting the door, making cut-outs for latches if required, then you can screw in the remainder of the screws and your door is hung.

Here is a list of the tools you will need to hang an interior door:

  • Tape Measure
  • Bench
  • G-Clamps
  • Plane
  • Circular Saw
  • Wedges
  • Hammer
  • Bevelled Edge Chisel
  • Fine Cut Hand/Panel Saw
  • Sanding Block
  • Screw Driver
  • Pencil

Here are the materials you will need:

  • Standard Interior Door
  • Sandpaper
  • Hinges
  • Screws

This is the safety equipment you will need:

  • Safety Goggles or Glasses
  • Gloves
  • Dust Mask