No Overhange Roof

I was hoping you would discuss applying roof overhangs to a persist style home that is intentionally built with no overhangs to simplify the installation of control layers.

No overhange roof.

However the suggested width of an overhang is between 12 and 18 for eaves and no more than 8 for rakes. With our house we are planning minimal east and west overhangs and ample south and north. We love the look of the no overhang scottish style roof line as well. One of best films i ever saw was of a hawaii roof with overhangs lifted in one piece total off the building.

Authoritative expert building diagnostic and repair advice toxic black mold and. Gable roofs even with no overhang are at a disadvantage in high winds. But there are a lot of reasons that go beyond aesthetics why one might not. And i thought a roof overhang would be really nice right now.

Perhaps martin is right houses should have roof overhangs. That said overhangs can extend as far as 2 without the need for external supports. Overhangs can vary from a few inches to a few feet depending on preference. There is also no gutter in the detail so you will be effectively routing rain down your wall.

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. I have battled with the same overhang no overhang design. Roof overhangs might look relatively routine but there is a lot of design thinking that goes into creating the optimal dimensions for each one. Roof overhangs don t only protect the walls but they are very useful in green building.

With the west east overhangs the main use is siding window protection and keeping rain snow from foundation. They are essential for framing and shading windows reducing splashback and getting rain to fall far enough away from the foundation. Martin and jon are right that a roof overhang is the best way to protect the siding. If you design them properly they keep the sun out in summer and let it shine in during winter.

Doing so keeps basements and crawlspaces dry and it also helps to. Roof eave venting on roofs with no overhang or soffit how to correct improper or inadequate attic or under roof ventilation in buildings detecting and correcting attic condensation and preventing ice dam leaks in buildings how to correct improper or inadequate attic or under roof ventilation in buildings.