Figure 9 1 felt roof sheathing felt split sheet note.
Roof eave framing detail.
The main component of any eaves detail is the rafter tail the part of the rafter that extends beyond the exterior wall.
Before manufactured trusses the simplest roof construction involved extending exposed rafter tails beyond the walls of the house.
At the rakes however with a nod to yankee frugality and clean modern lines we kept the roof trim as close to flush as practical while still allowing for a rain.
Chapter 9 4 wood.
Post frame estimating roof types 8 post frame building details 9 post frameflashings trim 10 13 post frame trim details.
Cad details document name pdf dwg download all cad construction details 37 1 mb 3 4 mb mc01 identification of roof areas 694 kb 167 kb mc01a single layer underlayment 678 kb 302 kb mc01b double layer underlayment 711 kb 322 kb mc02 vent pipe flashing 626 kb 349 kb mc03 valley.
Detailing for performance roof detail clipped eave figure 9 2.
Start with roof framing the design of your eave is dictated by the construction of your roof.
A horizontal timber or metal resting at the peak of the roof the rafters and trusses are connected to the ridge board for a cohesive framework.
It is a waterproofing layer made of regular felt stacked above the solid.
Detailing for performance chapter 9 5 rake at wall exterior figure 9 3 roof.
A composite decking made of solid materials it resembles real wood and particularly strong and stable for bearing heavy load.
Roof framing is one of those carpenter skills that appears quite complicated and indeed some roof designs are difficult.
Roof detail roofing eave overhang.
Soffits are actually part of the cornice or eave the point where the roof projection and the side walls of the building meet.
For a dimension see table 3 1.
House eaves may be open without soffits common in new construction or closed off with soffits.
To determine exactly what the rafter tail will look like i always make a full size drawing on a scrap of plywood of all the eaves elements including framing and finish materials see illustration above.
Eave overhang detail with that in mind we kept a roof overhang at the eaves as it provides a nice shadow line and protects the second floor windows from a bit of the summer sun.
Another common design in the northeast is the saltbox which is a gable roof with one longer side.
13 30 box gable 13 endlap rain carrying table 14 eaves 15 16 ridges 16 18 gables 18 19 flying gable 20 endwall 21 sidewall valley 22 gambrel transition 23 outside corner 24.
The latter is normally a remodeling chore.
