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Old 04-25-2012, 07:09 PM   #1
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2X4 Skylight Framing detail drawings


Can anyone supply the framing detail drawings for 2X4 skylight installation?

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Last edited by msilver; 04-25-2012 at 07:11 PM.
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Old 04-25-2012, 08:52 PM   #2
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2X4 Skylight Framing detail drawings


http://www.thanatopsic.org/hendrik/images/315.jpg



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Old 04-25-2012, 09:00 PM   #3
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This may work out better.
http://www.veluxusa.com/professional...tallation_help
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Old 04-25-2012, 09:09 PM   #4
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Originally Posted by joecaption View Post
Not sure what you were linking to in your reply, but the OP is asking for a detailed drawing,.......not "installation instructions".

IMHO: Based on the specific wording of the OP's question, I would assume that this is likely for a Building Permit Application (actual structural alteration plan to submit for approval).
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Old 04-25-2012, 09:35 PM   #5
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Is this what you mean?

2X4 Skylight Framing detail drawings-skylight2.jpg

If you cut a rafter double up the cross support.

If the width is less than 22.5 inches, it can drop between 24 in oc rafters. You should place it so you don't have to cut any rafters. In this case you only need single cross supports.

Not sure why the picture is not showing up. click the X to see it.

Last edited by goosebarry; 04-25-2012 at 11:29 PM.
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Old 04-25-2012, 10:33 PM   #6
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Quote:
Originally Posted by goosebarry
Is this what you mean?

If you cut a rafter double up the cross support.

If the width is less than 22.5 inches, it can drop between 24 in oc rafters. You should place it so you don't have to cut any rafters. In this case you only need single cross supports.
U should never touch the truss' because they r structural u need to go in between them which will be 22 1/2" by watever length u want but for problem free work I would go quarter inch smaller so it's an easy fit n it won't matter cuz u will still have to waterproof it (silicon)
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Old 04-26-2012, 01:46 PM   #7
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Originally Posted by ninjahero View Post
U should never touch the truss' because they r structural u need to go in between them which will be 22 1/2" by watever length u want but for problem free work I would go quarter inch smaller so it's an easy fit n it won't matter cuz u will still have to waterproof it (silicon)
Correct and correct.

Never cut trusses unless you have done the engineering to figure the effect on loads.

I probably should have said that many so called 2 ft wide sky lights are designed for a 22.5 in rough opening so thay fit between rafters 24 in oc.

BTW, the diagram is 16 in oc.

Question to the OP, was this what you wanted or were you talking about the box between the roof and ceiling?
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Old 04-26-2012, 02:27 PM   #8
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Has the OP stated whether it is a rooflight to go between trusses or just between rafters in a vaulted ceiling? The details will obviously differ.
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Old 04-26-2012, 09:51 PM   #9
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Quote:
Originally Posted by goosebarry

Correct and correct.

Never cut trusses unless you have done the engineering to figure the effect on loads.

I probably should have said that many so called 2 ft wide sky lights are designed for a 22.5 in rough opening so thay fit between rafters 24 in oc.

BTW, the diagram is 16 in oc.

Question to the OP, was this what you wanted or were you talking about the box between the roof and ceiling?
U should never cut them period regardless if ppl say u can, if someone tells u that u can just laugh at them and tell them that they r stupid and don't no wat the hell they r talkin bout
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Old 04-27-2012, 05:49 AM   #10
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We still don't know whether the OP is talking about trusses or not, so none of this helps him.
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Old 04-27-2012, 06:18 AM   #11
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Quote:
Originally Posted by ninjahero

U should never touch the truss' because they r structural u need to go in between them which will be 22 1/2" )
Why are you saying trusses when no one mentioned trusses?

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