Notch pergola beam or rafter?

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Old 09-13-17, 01:18 PM
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Notch pergola beam or rafter?

Hello!

I am building a pergola and half the plans I see call for noticing the main support beam ( a 2x10 in my case) and half call for noticing the rafters (2x6s).

I have checked local building codes and it doesn't specify anything for a pergola or patio cover. Is there a preferred method? There won't be much of a load on top but I potentially could mount a TV on one side later. Let me know if anyone has insight! Thanks
 
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Old 09-13-17, 02:49 PM
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Pretty hard to envision what you are doing, or what kind and size of notch you are making, but if you are talking about a ridge beam, and the rafters will set on top of the beam, you generally cut a birds mouth in the rafter just like you do when it is sitting on a top plate. You generally never want to notch a beam or header if you can help it as it weakens the entire beam.

If you have a picture or drawing, attach it so we can see what you are talking about.
 
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