On the lake side of the wasatch range in utah there are almost no buildings built with overhangs due to the frequent strong and steady winds.
No overhang roof detail.
Everywhere else on the house seems to be fine because there is an over hang.
With the west east overhangs the main use is siding window protection and keeping rain snow from foundation.
I thought this a little unusual when first looking as i was accustomed to the shingles overlapping at least a bit off of the edge.
We will protect shade the west windows with cedar awnings grates.
With our house we are planning minimal east and west overhangs and ample south and north overhangs.
There is also no gutter in the detail so you will be effectively routing rain down your wall.
That rake board s going to need to be removed to remove the siding.
The roof has a normal slope with shingles that stop and have a drip edge with no overhang.
Detailing for performance roof detail clipped eave figure 9 2.
One of best films i ever saw was of a hawaii roof with overhangs lifted in one piece total off the building.
There is no good way to make that last.
Roof detail roofing eave overhang.
Figure 9 1 felt roof sheathing felt split sheet note.
This particular detail would impose certain structural problems for all types of roof construction and may require a blocked heel or additional top chord should trussed rafters be specified.
Detailing for performance chapter 9 5 rake at wall exterior figure 9 3 roof.
Smart vent a special roof eaves vent product that provides a 3 4 opening about 6 above the top of the roof drip edge.
We love the look of the no overhang scottish style roof line as well.
Martin and jon are right that a roof overhang is the best way to protect the siding.
They are an.
For a dimension see table 3 1.
If there s enough shingle over hang once the sheathing and house wrap goes on you could replace it with a 2 x 6 and wrap it with coil stock or use 5 4 x pvc lumber.
I can understand not wanting one with a flat roof but the sloped roof without overhang i never understood.
Venting solutions for roofs with no overhang or soffit install special roof intake venting products that work at the lower edge of the roof decking underneath the first course of shingles.
Roof overhangs don t only protect the walls but they are very useful in green building.
Chapter 9 4 wood.
Gable roofs even with no overhang are at a disadvantage in high winds.