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Cutting and Laying Roof Rafters for Vaulted Roof
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Cutting and Laying Roof Rafters for Vaulted Roof
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" That is a fine gable roof that you're looking at up there were all the rafters are basically coming together at the ridge -- and what we're doing now is creating a similar roof on a smaller scale. All of the rafters have to obviously. Be identical and so that's why they start off the province with a patterned. And the pattern helps you. To make all the cuts for what's known as the bird mouth which is that part of the rafter that sits. The outside wall on the actual top plate of the -- sidewalk and then the angled cut. That determines. The fits to the roof and these rooms are running four and twelve pregnant right Kevin that's correct. Which means for every twelve feet that it runs horizontally. Portland up or is. Construction all you have are trash truck traffic at their cost efficient and went a little bit. And that's just tacked in place it in now will be ready to take this rich -- and that are up there. But now the ridge supports the upper into the rafters and the ridge that we're using here is made of laminated veneer lumber or LVL. Wood veneer is layered in a manner similar to plywood to make this yeah. The orientation of those layers makes this an LVL a lot stronger than dimensional moment. And Russell isn't it. And it fits right the first time through a -- Thanks a lot of now at the other end. -- had. That man in place that sort of these two by four. So that although we seem to have just one carpenter tentative pact which is being held by -- All a matter of plant. OK now Kevin does it matter. Whether you stagger them you put them on one side at once certain. You can started Guatemala wants out of -- to have some bracing on the other side -- just -- just stepped to the stiffness and we've got one on this side which is. Right here and it's stiffening the rich spoke so we're going to present all of these into place one by one. Using two by ten dimensional lumber for the rafters you can see how the bird mouth cut fits on the top plate of the outside wall. And the angled cut fits against the ridge. The pattern that we used ensures that all of the cuts are consistent. Since we pre cut all these rafters they go pretty fast and just -- of using sixteen penny common name. Evidence -- reason why we didn't use pre fabricated roof trusses for these root systems -- the section that's what's framing right now it was a typical -- that second we want to get that ten inches of insulation. Right in here for our values and so that's one other reason I noticed time. This system been a kind of a fast track job -- at that time sort of have this some time with standard stick cut roof. We'll have our -- are insulation airspace on the two by attempts -- it. Well let's let these guys fly with the rest of the rafters. Right that's the last one on this Medicare do we put the hurricane clips on next we hold on -- claims hurricane clips Bob until we get the plywood on the exterior. And hurricane clip gets attached through the plywood to the top plates into the -- okay. That's part of the strength to business. Okay. These enough now let's just do the thing over on the other side. Once all the rafters are in place on this side of the roof. The roof and the outside walls will be ready for heating. We'll be using some new roofing techniques that will strengthen this roof against high winds."
