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Hanging A Replacement Internal Door

How To Hang an Internal Door

This is Your How-To Guide for Replacing an Interior Door.

Here’s the first in a series of simple How-To posts to help you around the house with your DIY needs. If you are in a hurry scroll to the bottom for the instructional video provided by Wickes. If you have any questions, please feel free to leave a comment and we’ll get back to you as soon as we can, thanks.

Before you begin, make sure that you acclimatise the new door to your home by laying it flat on an even surface for around three days inside to allow for any expansion or contraction. You will also find a full list of the tools and materials that you need at the end of this post.

After removing your old door, you need to cut your new door to fit exactly the right size for the frame. To work out if your new door needs trimming, stand it up in the door opening and mark the top of the opening on the door with a pencil. 

Measuring the Door

Now take the door out of the doorway and secure in a work bench, then, transfer the measurement you took from the door frame to the bottom of the door and add 3mm or more taking into consideration the thickness of your carpet before trimming away, making sure you cut in a completely staight line accross the door. To allow for clearance, trim 3mm off the top too.

If the width of the door doesn’t fit, measure the door against the frame and divide this measurement equally between the two sides. For example, if the measurement is 4mm, take 2mm from each side.Trim this amount plus an extra 3mm from each side for clearance. 

Width measurement of the new door

Now we need to get the door in the position it will eventually hang by placing small wedges beneath the door, and positioning it in the middle of the space, maintaining an even gap of about 3mm around the door. Once the door is in the correct place, mark the position of the existing hinges at the bottom, middle and top onto the door using a sharp pencil.

Hinge Positions on Replacement Door

Remove the door and position the hinges on the door using the marks you just made, drawing around their outline. Once you’ve done this measure the thickness of the hinge plate, and mark a line on the door to the same thickness.

Marking Out the Hinge

Now use a sharp chisel to cut around just inside the marked pencil lines, showing where the hinge will be situated, then hold the chisel at a 45 degree angle to the door frame and use it to make stepped cuts to the required depth every 5mm, it’s easy to splinter the wood if you’re chiselling with the grain, so ensure your chisel is sharp, and take care to make lots of little cuts rather than one big cut.

Making the Chisel Cuts

Next, turn the flat side of the chisel towards the door and chisel out the recess for the hinge plate.

Chiselling Out

Using the hinge as a guide, drill pilot holes into the door, this will decrease the likelyhood of splitting the door when you screw the hinge plate in. Once the holes are drilled, carefully screw the hinge plates into place.

Pick up the door and place it in the position it would be if open at 90 degrees. With the door in this position, put a screw in the bottom hole of the top hinge plate and screw into place, then do the same with the bottom hole of the bottom hinge plate and one more time with the top hole on the top hinge plate.

Check that the door opens and closes without catching anywhere before putting any more screws in. If it catches anywhere, mark the area, remove the door and make the necessary adjustments to prevent it from rubbing, using weither sandpaper, a hand plane or electric plane.

Planing the New Door to Fit

If the door shuts cleanly make any final finishes like painting and cut outs for latches if required before screwing in the remainder of the screws, and your door is hung!

If you’re still unsure of the process to hang your door, please watch the step-by-step video below;

List of Tools Required

  • Tape Measure
  • Bench
  • G-Clamps
  • Plane
  • Circular Saw
  • Wooden wedges
  • Hammer
  • Bevelled-edge chisel
  • Hand/Panel saw
  • Sanding block or electric sander
  • Screwdriver
  • Sharp pencil

List of Materials Required

  • Standard interior door
  • Sandpaper
  • Hinges
  • Screws

Safety Equipment

  • Safety goggle or glasses
  • Dust Mask
  • Gloves

I hope this has been of some help for you, you now have the fun of painting it – deep joy. If this is your first attempt at tackling a job like this, my advice as always is, be methodical! Get all your equipment to hand, have a clean safe work area, and plenty of room to move freely. You don’t want to be tripping over existing furniture, or hunting around for a tool that you need. Take your time…. and breath 🙂

Paul

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