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Old 06-26-2010, 02:27 PM   #1
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Extending my roof for a overhang??


hey guys, I wasnt sure of I was suppose to put this in the roof section or not. If so forgive me I am going to be redoing the siding on my house in a about 2 months. The sides of the house are very plain jane. The roof has no overhang, it is flush with the side of the house. I would love to build a 10inch (roughly) overhang and dress it up real nice. Question is how do I go about this??? I am very handy, done many projects but never did this one before. I dont have the coin to hire anyone. I have searched the web but have not found any technical photos and such. Any help is appreciated!!!!

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Old 06-26-2010, 04:26 PM   #2
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Extending my roof for a overhang??


what is the pitch (angle) of the roof you want to attach to? What is the height of the outside wall from the soffit to the ground?

this would require re-roofing the area where you add the overhang. If the roofing is old, you might want to consider re-roofing the roof, or at least this side of the roof.

are you ready for that as well?

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Old 06-26-2010, 09:36 PM   #3
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Extending my roof for a overhang??


Thanks for the quick reply nap. I might not have explained it properly. I want to do a small ext on the gable ends. The roof has healthy 3/4 tg boards. I dont know the pitch yet, have not done measurements.

thanks btw, I am going to re-shingle the roof as well.
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Old 06-26-2010, 09:44 PM   #4
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Extending my roof for a overhang??


Usually what you want to do is add lookout rafters

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Old 06-26-2010, 09:50 PM   #5
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Extending my roof for a overhang??


excellent Dave! thanks!!! Now thats what i am looking for. Problem is though the my ridgeboard is not long enough. I am ADDING on to an old roof. What do I need to do about that??
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Old 06-26-2010, 10:06 PM   #6
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Extending my roof for a overhang??


You would simply add more lookouts near the peak at the ridge board
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Old 06-26-2010, 10:14 PM   #7
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Extending my roof for a overhang??


Thanks Dave I understand now. If my rafters are 2x6 , I suppose my lookouts should be 2x6 as well and one every 16 inchs??
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Old 06-27-2010, 01:22 AM   #8
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Extending my roof for a overhang??


Actually, they are called gable overhang rafters, or barge rafters. Not look-out rafters---- two different things. They support the barge or rafter and barge and sometimes rake board. (A trim board that covers the edge of the sheathing holding up the roofing material). The look-outs support the works. Use 2x4's for the look-outs and 5/4 x 6 or 8, 2x6 or 8, or whatever looks proportionately good on the end for the span and possibly match the house. The spacing depends on the sheathing thickness and orientation. If closed overhang (soffited), you could just replace select existing boards, cutting back onto the main roof to the first rafter 2+-' away with longer boards to include the overhang. But if not soffited, they would be visible from the ground. 24" on center spacing with 3/4" sheathing and 16" o.c. with 1/2" plywood or 7/16" osb would carry most snow loads. Cut back the fascia board and extend it if existing, if not, add a 2x4 on edge- face nailed to the gable rafter and nailed into from the first common rafter. Stop the O.H. rafter at the fascia 2x, and run the barge board past that for a gutter cover +1". Use builder's paper and edge metal at the gable if required by your local building department. The picture Dave shows is correct though.

Be safe, Gary
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Old 06-27-2010, 01:29 AM   #9
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Extending my roof for a overhang??


Thanks Gary, sounds a little tricky and I am quite nervous about the whole thing but it will really make the house. Can you explain a little better on : Stop the O.H. rafter at the fascia 2x, and run the barge board past that for a gutter cover +1". Use builder's paper and edge metal at the gable if required by your local building department. I am a little lost on this part. I wish i took pics maybe I should?
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Old 06-27-2010, 05:54 AM   #10
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Extending my roof for a overhang??


Scuba's picture really tells it all.

You just need to remove the roofing and then the roof sheathing to expose the first rafter or two (easier to build if you open up two bays) in from the outside wall. After that build it like the picture. Once you have it open and you can see how your roof was constructed in relationship to the outside wall and that will tell you which of the two illustrations is the way to go.

If you opened it up and are still confused, post pictures here and I’m sure you’ll receive quick replies.
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Old 06-27-2010, 12:52 PM   #11
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Extending my roof for a overhang??


Familiarize yourself with the terms and it will be easy for you. Start reading on page #140 to page #150 and you will understand: http://books.google.com/books?id=E5S...20beam&f=false

As Ron said, a picture of your tail overhang and rafters from 20' away would help.

Be safe, Gary
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Old 06-28-2010, 09:06 AM   #12
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Extending my roof for a overhang??


Thanks guys, I will be taking some pics tomorrow morning to show you whats going on. I truly appreciate the help, I have one income coming in and cannot afford to pay someone to do it. (****, I dont even liver in my house yet!)

talk soon
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Old 06-30-2010, 10:01 AM   #13
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Extending my roof for a overhang??


Here you go guys. I am going to be taking down the chimney as well (no fireplace and going with a high effecient boiler). Even with new trim and siding the gable has no definition to it, its jsut ugly. I feel a nice overhang with corbels would look awesome. I am also going to put a front porch on the house (about 9 ft out) and build a roof over it. I need to figure out my pitch and other stuff to see whats involved.


what you guys think?? Not to hard, eh?
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Old 06-30-2010, 11:30 AM   #14
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Extending my roof for a overhang??


Piece of cake, assuming you can open it up and then have it closed up and dried in before it rains.

Personally, Id put the same overhang you have on the front all around the house.
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Old 06-30-2010, 03:09 PM   #15
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Extending my roof for a overhang??


Quote:
Originally Posted by kwikfishron View Post
Piece of cake, assuming you can open it up and then have it closed up and dried in before it rains.

Personally, Id put the same overhang you have on the front all around the house.
which is a good reminder for the OP to buy an appropriate sized tarp for the work area. i learned this the hard way once but if you go to bed with an open deck the weather man might not be right and you could wake up to the sound of falling sheetrock. it's not a fun experience.

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