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Old 04-25-2013, 08:09 PM   #16
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Rough opening width for prehung door..


i use clear pine for my jambs. sometimes finger jointed clear pine. its 5/8 thick stock.. some use mdf but theres zero ability in mdf to hold the screws for the hinges
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Old 04-25-2013, 08:48 PM   #17
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Rough opening width for prehung door..


Quote:
Originally Posted by princelake View Post
you get what you pay for with the ryobi table saw but its not bad but the average homeowner.

when i hang prehung doors i stick shim in the top and level up my header. lots of times in basement and old homes its out of level and i cut the bottom of the jamb so when it stands in the opening its level. then i skim my hinge side, i then hang my door and shim the latch side. then finally nail on the casing and stops.

http://www.homedepot.com/p/Quick-Doo...-201/202366685

do some youtube searches on this product to hang your door quickly.
not even if i throw a diablo blade on that puppy?

So, if I follow correctly, your install steps are:

shim the top (header) of prehung door first, then cut the jamb at the bottom with either a door jamb saw or a japanese ryoba saw ? Then shim/install hinge side and repeat on latch side.

What happens if you cut the jamb at the bottom a bit too much and leave a large opening between the finished floor and jamb? I'm wondering if there is something i'm missing besides "buy and make your own jambs"

Thanks for info regarding using pine for your jambs.
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Old 04-25-2013, 09:34 PM   #18
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Rough opening width for prehung door..


He is saying to cut the bottom off one of the jamb legs so that it sits level. Chances are that the floor isn't level. Say the hinge side is 1/2" lower than knob side. Take that 1/2" off the hinge side and installation will go easier.
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Old 04-26-2013, 09:42 AM   #19
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Rough opening width for prehung door..


check the floor for level. if its out make the allowance on hte jamb legs based on what your reading on the levl.. if the hinge side is 1/2" higher.. make the hinge side jamb 1/2" shorter
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Old 04-26-2013, 07:35 PM   #20
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Rough opening width for prehung door..


thanks for clearing up what i was trying to say.

1. pull door out of package.
2. remove door from jamb and remove door stops.
3. place jamb in opening, put shim in top corners to dry fit jamb.
4. put level on jamb header.
5. cut bottom of jamb so it sits level.
6. shim, brad nail hinge side
7. hang door on jamb
8. shim latch side and brad nail in place
9. once door spacing is perfect put 3 3" screws in either side of the jamb
10. install door knob and latch
11. brad nail stops on checking spacing with door
12. measure,cut, and nail on casing
13. putty, caulk, and paint.
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Old 04-29-2013, 07:48 AM   #21
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Rough opening width for prehung door..


Quote:
Originally Posted by princelake View Post
thanks for clearing up what i was trying to say.

1. pull door out of package.
2. remove door from jamb and remove door stops.
3. place jamb in opening, put shim in top corners to dry fit jamb.
4. put level on jamb header.
5. cut bottom of jamb so it sits level.
6. shim, brad nail hinge side
7. hang door on jamb
8. shim latch side and brad nail in place
9. once door spacing is perfect put 3 3" screws in either side of the jamb
10. install door knob and latch
11. brad nail stops on checking spacing with door
12. measure,cut, and nail on casing
13. putty, caulk, and paint.
This is gold. Thank you very very much!

I assume the same holds true for an external door? However, at the very beginning I'm attaching a frame of 1x4's (or other size) to the masonry wall, then attaching the pre-hung to this frame? Also, i should wrap the 1x4's in roofing paper or another waterproof membrane and fill up holes with spray-on insulation?

I plan on replacing my side door with one of these

In this application I assume i need to make sure my materials are weatherized and when it comes to the saddle, to level it off with, possibly, hydraulic cement and if possible when it comes to finally drilling the finished jam, to make sure it penetrates into the masonry wall? The 3" tapcons should work, i assume, but I'm sure you folks have some tried and true feedback.

Thanks in advance!

Harry.

Last edited by hboogz; 04-29-2013 at 07:50 AM.
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Old 04-29-2013, 06:02 PM   #22
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Rough opening width for prehung door..


are you putting the exterior door into a block wall? or do you just have brick on the outside of your home?
you should start a new topic and post some pictures of existing door so we can help you better.
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Old 05-01-2013, 03:16 PM   #23
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Rough opening width for prehung door..


Thanks, will do.
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