Trusses streamline construction but it s important when using them to make sure the resulting eave works with the design of your building.
Roof eaves design.
Another is to create a custom gravel stop drip edge flashing piece that changes profile along the length of the roof to compensate for the change in pitch.
But are they really necessary.
Roof eaves are extensions of rafter structure outside of the house frame.
A roof can come to an end in basically three ways.
As long as the air path up under the roof is not blocked by insulation perforated soffit panels on the under roof side of that overhang will work just fine.
I recently built a small outbuilding with a 6 in 12 pitch roof that offers a perfect example for showing the process i use to build eaves and rakes.
Your angled roof overhang at the house eaves is a very common design sketch at left.
Fix a plywood board or proprietary tray to provide continuous support to underlay to prevent water retaining troughs.
Eaves courses of tiles should be at same pitch as general tiling.
An open eave has a pronounced overhang often revealing projecting roof beams or brackets.
A closed eave has very little or no overhang extension beyond the siding.
One way is to design the roof to have a parapet wall covering the roof edge.
If a sprocketted or bell cast detail is used then eaves courses should be no lower than the minimum recommended roof pitch.
Start with the rafter tails the main component of any eaves detail is the rafter tail the part of the rafter that extends beyond the exterior wall.
A box eave is enclosed with a soffit.
Before manufactured trusses the simplest roof construction involved extending exposed rafter tails beyond the walls of the house.
The design of your eave is dictated by the construction of your roof.
Individual rafter extensions block extensions are effective when you have a proper slope of the roof.
Roof overhangs at the eaves and rakes protect the walls below from rain and sun.
Types of eaves.
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