Roof Framing Looks Worrisome
Kim O'Brien
12 days ago
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Mark Bischak, Architect
12 days agoKim O'Brien
11 days agoRelated Discussions
Potting shed roof is framed!
Comments (20)That is looking very good, he is doing a super job on your potting shed area. I like the shelf he put on the left side between those posts. With my being old and forgetful, I think I would want a railing along the edge of your boardwalk to keep you from backing up into your pool while your mind is totally engrossed on potting & planting. YEE HAA SPLOOSH! Lou...See Morefinally finshed roof framing
Comments (4)Cool to see a house come to life from a set of plans. Great build in the sierras! Dried in coming up. You spoke of envy for us not working on our build in the winter months, but believe it that im the envious one as you and your family will be enjoying living in your home long before we are done. Your efforts will definetely be worth it even though some cold,wet days out in it make you wonder. Been there! Keep up the great work!...See Morehip roof framing
Comments (5)quote" does this design needs some sort of bracing at the beam corner (lateral bracing) because all the load is then concentrated at the corner and going downward and outward. "quote Most definitely yes. The load is always going downwards and outwards. That's why your man wants a brace under the ridge where it meets the hip rafters. Make a mental picture of a triangle with weight on the top. The weight bearing down is all pushed to the sides, therefore your birdsmouth (BM) fastener (nail) is taking all the stress. This is dramatically reduced with a brace going straight down to a ceiling joist. As settling may occur the load is placed on the ridge brace. With an open air cathedral ceiling using the roof decking as your ceiling you have no ridge or purlin braces help distribute the load. That's why you triple cut the BM. It redistributes the load to both the fastener and the intersect of the inner plumb cut of the rafter and the beam. This allows the fastener, rafter, and beam, not just the fastener, to absorb the load. On standard roof framing this load is divided by the total number of hip,jack, and common rafters. When you go to the look like I have you gave up the number of rafters to divide the load by and dropped that number to either 4 hips or 4 hips and 2 commons. By placing the rafter inside the beam your quadrupling the amount of contact area to the beam and sending all the stress to the beam itself. The beams must be securely fastened to each other at the corners. I use a combination of large L brackets and nailing strips to fasten the beams to each other. I do this on the outside so they'll be hidden above and behind the soffit. This look is still achievable on your project. See ya, Kelly...See MoreRoof Framing
Comments (8)Thanks. That is food for thought. We are working on drawings now and I realize That the 24 inches OC is within code. However, this does not necessarily mean it is the best way to go. There are parts of the code that many professionals would consider a bare minimum practice at best. I am an old timer and cannot get used to thinking in terms of less than 16 inches OC. A 7/16 inch OSB sheathing would be quite springy with a 24 inch span, and there is less framing to withstand stresses, such as a huricane. And occassionally someone will have to walk up there. The longest span is about 13-14 feet. The pitch is 6-12 and the ceiling is a traditional flat ceiling (no cathedral ceiling). The framing will probably be a combination of on-sight built trusses and stick built. My question is how much strength am I really giving up? and should I go to a thicker sheathing, or use plywood instead of OSB. Thanks....See MoreT T
11 days agoAnnKH
11 days agoJoseph Corlett, LLC
11 days agoT T
11 days agoKim O'Brien
10 days agoMark Bischak, Architect
10 days agorockybird
10 days agoT T
10 days agores2architect
5 days ago
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