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Changing out interior doors in house. All of them. Going from brown crap to white 6 panel. I have two hinges on each door. Would like to buy new door with predrilled knob hole, cut it down correctly to size, and then attach hinges to it. Only issue I have so far is not really sure how I should cut out for the hinges. I have read use a chisel. I am fine with that but do see how I can be even going across.

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I tried once with just a chisel and failed miserably. –  Chris Cudmore Apr 16 '13 at 17:16

2 Answers 2

up vote 2 down vote accepted

Do you have access to a router? You'll save yourself a huge amount of time if you buy a hinge mortise template (like this one from HD) and use the router to cut out the mortises:

enter image description here

They attach temporarily onto the edge of the door, and you use the router in the large opening to cut to the correct depth. Once you're done, take the template off the door and screw in the hinge plates. Done!

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I have a router. I don't have any of these fancy templates though. Where to find these templates and what bit on my router? How do you adjust for depth - these templates do that? –  Tom Apr 16 '13 at 15:55
I provided a link to one that's available to Home Depot, but searching for "hinge mortise template" will give you lots of options. The templates control where you cut, not how deep -- there should be a setting on the router for that. –  Niall C. Apr 16 '13 at 16:02

I would recommend against buying pre-drilled as it probably won't match up with the existing jamb holes.

I recently replaced two doors, and at ~$10 found this to be the economical solution: enter image description here

It comes with two hole saws, a latch template, strike template, hinge template and a router bit for your drill or router if you have one.

The hinge and strike plate templates work with the router bit to create the edges of the mortices. Then chiseling out the interior is dead easy.

When I mounted my doors, I removed the old ones and transfered all measurements to to the new ones. I cut the bottom to size with a table saw, and dry fit the blank before doing anything else.

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I have one of these. It is pretty easy to use. Now I don't see what is wrong with using predrilled doors if cutting them will make them align with your strike plate. I had to use this for 3 doors in my house and bought predrilled for the other 6-7... Predrilled was easier. This kit helped. I still would have paid someone to router/chisel out my hinges if I could have. Does dead easy mean it takes 30 mins a hinge haha? –  DMoore Apr 16 '13 at 17:34
The chiselling took about 5 minutes per hinge with a sharp chisel. I used the router bit in my drill to scribe the outline and set the depth. Then it was a bit of tapping to get the field out. It was dead easy in comparison to my free-hand approach on my first attempt. –  Chris Cudmore Apr 16 '13 at 18:07

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