Attaching a carport to vinyl siding - flashing?

10916 Views 8 Replies 3 Participants Last post by hosscat, Jan 7, 2013

hosscat

Discussion Starter · Jan 2, 2013

I am looking into covering a concrete pad to make a carport on the side of my house. The carport will be relatively easy, however I'm not sure of the best way to attach it to the side of my house. It will be attaching to the side of my 2 story house that has board and batten vinyl siding. Is there a way to flash to vinyl siding, or would I have to remove the siding, put the flashing up then "J" channel around it? Most of my concrete slab is already poured (25x25), and it is poured all the way to my foundation (just 2 blocks high). So I have also thought about building my carport so is off of my house by maybe 6" to 1', which would allow the over hangs to overlap and may not look stupid with my slab extending just a little beyond my roof and just making a short 4' wide connector, to attached the carport to the house. I have attached a quick sketch, please give me some ideas.

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hosscat

Discussion Starter · #3 · Jan 2, 2013

Yes the red lines are shown to indicate a hip roof on that end of the house. It will be a stick built carport, or I may possibly build some metal trusses, but either way not store bought. The width of the house on that end is 14.5', and there will be some water coming off that end of the house dropping onto the carport.

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hosscat

Discussion Starter · #5 · Jan 2, 2013

I must not have been clear, the roof on the carport will be gable, the roof on the house is a hip roof. If I use step flashing would I have to remove my existing siding and put it under, then reinstall the siding, or is there a way to seal it to the outside of the siding. Also if I do seal anything to the outside of the siding, how would I account for the thermal expansion?

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hosscat

Discussion Starter · #7 · Jan 2, 2013

Ok, so I am assuming that there is nothing that would seal to the outside of my siding which I kinda expected but wanted to ask. So if I persue the step flashing route, I would be better off building the carport detached and only attaching a small connector from the house to the carport. Do I need to cut the house wrap and put the flashing on the inside of that as well. The house is only 6 or 7 months old and I don't want to mess with more than I have to.

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hosscat

Discussion Starter · #9 · Jan 7, 2013

I am fine with rain coming down between the house and the carport as long as I have a covered area to get inside. I will probably stick with the small connector, since we just finished building the house I don't want to mess with the siding any more than needed. Also top "peak" of the carport roof only appears to be at the corner of the window due to the scale, I have it figured to be about 8" away from the corner and 2" lower than the window corner. Which these sketches reflect a 3 car carport, but once I got my plans built enough to get a bill of materials, I may back up and build a 2 car carport with just extra concrete parking area which would change the location of the peak.

Thanks for the help.

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