Doing an addition for guy who has no overhang on his gables, the addition will have a gable overhang, and he would like to have the rest of the house to match.
My thought is I should rip the roofing off to the 1st rafter at the 24″ mark then rip off the shiplap so that I can get some plywood in and extend the 12″ overhang. The only problem with that is that the plywood will all be on the same joint. ( no stagger) I’m trying to decide if this could be problematic.
I always stagger my joints, this is what I was taught and makes god sense to me. But what else am I gonna do…. rip the roofing back to the second rafter then cut the shiplap back on alternating rafters in order to stagger the joints?
I’d did consider the possiblity of not ripping the end section of roof off and instead building the overhang in the form of a ladder, with blocking. Then only sheathing the overhang, but I have serious doubts about that approach.
Replies
alrightythen,
This response is basically a bump. But just an observation, I have a similar condition on the rear of my second story dormer. If it were me I would tear off at least 2 times the width of the overhang into the shiplap and sister raftering and then lay on the plywood. I don't think it's necessary to stagger the plywood joints since the shiplap joints probably aren't staggered by design anyway. I can't really extend my roof line since my window tops are too close to the existing line. Any roof extension would hang over the top of the window (you may want to check this out)
Don
I think your situation is a little different. The house I'm dealing with has an overhang along the lower eaves. it is the gable ends that curently have no overhang. since the overhang on the gable won't effect the windows no matter how far you go or what height the windows are at, I don't have to worry about that.
sistering the rafters may be a good idea, to get a lttle more purchase for the plywood, if I'm not going to be staggereing.
alrightythen,
Gotcha. The ladder method you spoke of may be the way to go. Maybe try the JLC website, they have a framing forum run by a fellow, Jim Blogett. He's very good. Also check Mike Smith's extensive post with pictures "adverse conditions" in the Photo Gallery section of Breaktime. He has an overhang on a house he's building.
Don
Edited 4/18/2006 9:31 am ET by DJH
Edited 4/18/2006 9:32 am ET by DJH
Thanks for the links. I'm hesitant on relying on the ladder alone. I may do a combo of a ladder and sheathing tied to a rafter 2' in.