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Old 08-01-2012, 10:27 PM   #1
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Rafter layout for portico


I am adding a small portico to the front of my house. It will be built to T into an existing 5/12 gable roof but will also extend 1 1/2 feet further.
I need assistance with the rafter layout.
My span is 6 1/2 feet
pitch will be 7/12
2x8 ridge
2x6 rafters

Can someone tell me the layout for the birdsmouth?
The birdsmouth will be sitting on top of a double 2x8 beam
There will only be one rafter like this as the rest will be jack rafters laying on the existing roof, (overlay on false valley).

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Old 08-01-2012, 11:25 PM   #2
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Rafter layout for portico


check this link out and see if it helps you http://www.sbebuilders.com/cgi-bin/r...?major_pitch=7

or this one ...... http://www.builderbill-diy-help.com/roof-framing.html

good luck!

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Old 08-02-2012, 12:33 AM   #3
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Rafter layout for portico


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Originally Posted by taylor01 View Post
I am adding a small portico to the front of my house. It will be built to T into an existing 5/12 gable roof but will also extend 1 1/2 feet further.
I need assistance with the rafter layout.
My span is 6 1/2 feet
pitch will be 7/12
2x8 ridge
2x6 rafters

Can someone tell me the layout for the birdsmouth?
The birdsmouth will be sitting on top of a double 2x8 beam
There will only be one rafter like this as the rest will be jack rafters laying on the existing roof, (overlay on false valley).
Give me the overhand and fascia plumbcut and I'll draw that in for you.
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Rafter layout for portico-portico-8-2-12-diyer.jpg   Rafter layout for portico-portico-8-2-12-diyer-2.jpg  
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Old 08-02-2012, 07:40 AM   #4
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Rafter layout for portico


Joe,

Thanks that is just what I needed. I was hoping you were still around these forums. You helped me on my addition in Wayne back in 2007. I owe you a lunch or something.

I don't know what the overhang and facia plumb cut are yet as they will be tied into the existing facia. I will have to figure that out on the fly.

Mike
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Old 08-02-2012, 08:15 AM   #5
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Rafter layout for portico


Here is a picture of the front of the house.
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Old 08-05-2012, 10:23 AM   #6
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Rafter layout for portico


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Originally Posted by taylor01 View Post
Joe,

Thanks that is just what I needed. I was hoping you were still around these forums. You helped me on my addition in Wayne back in 2007. I owe you a lunch or something.

I don't know what the overhang and facia plumb cut are yet as they will be tied into the existing facia. I will have to figure that out on the fly.

Mike
Mike,

How are you? You just run the overhang long enough to scribe the BOTTOM of the existing sub-fascia so that they match up EXACT. Can't make any mistakes that way. If you can, raise the header up so that the bottom of the header is flush with the bottom of the sub-facsias.The soffit runs all the way through. You can always use a 2x6 for a header if the span isn't that long. Usually 2x6 is fine.

Here's an example:
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Rafter layout for portico-portico-soffit-level-diyer.jpg  
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Old 08-08-2012, 02:08 PM   #7
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Rafter layout for portico


Joe,
That is exactly the solution I cam up with. I actually built it in my garage and will take it apart to assemble it. I will post some pics.
Thanks again for the help.
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Old 08-15-2012, 06:35 PM   #8
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Rafter layout for portico


Portico is completed. Here is a photo. Everything went according to plan.
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Rafter layout for portico-new-portico.jpg  
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Old 08-15-2012, 06:46 PM   #9
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Rafter layout for portico


That looks fantastic!!!
Rafters are one of the few things I've never fully grasped.....and women!
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Old 08-15-2012, 07:40 PM   #10
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Rafter layout for portico


Thanks! I have no problem cutting and building it. I just needed assistance with the measurements for the layout. Joe Corolla has always been a lot of help with that.
Next, I am going to build a gable over my living room window. It will be framed as a layover/ California Valley.
I will seek assistance for the jacks once I figure out the span. I know it will be a 7/12 to match the portico I just built.
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Old 08-15-2012, 10:30 PM   #11
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Rafter layout for portico


WTG Taylor, Salute Joe.

Nice,
Tham

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