Portland Oregon Minimum Roof Overhang

A typical metal roof overhang may be 2 to 4 inches or even less.

Portland oregon minimum roof overhang.

We recommend a 4 12 roof pitch as a minimum. The roof on the house i m building is a dutch gable essentially a hip roof with gables that peek out at each end of the ridge with a 6 12 pitch and 32 overhangs. Roof trusses may be submitted as a deferred submittal item for 123. Not attached to house overhangs bay windows brick stone or concrete block.

They are essential for framing and shading windows reducing splashback and getting rain to fall far enough away from the foundation. Highly recommend either checking out the program martin linked to or a program like sketchup so that window size and placement can be modelled holistically with overhang design. The length of the overhang depends primarily on the climate. Please advise intake staff if you want to use this option.

The house has a 1 6 eaves overhang projection and the adu the standard 1 0 overhang meaning the eaves of the adu and existing house are at a minimum 4 2 3 4 apart. Impervious area structures paving roof overhangs etc location of utilities and connections storm and sanitary sewers water gas etc including size of service and street location location of stormwater facility surface drainage width of adjacent right of way and curb height landscape plans minimum scale is 1 inch 10 feet. Overhangs are common in most house designs providing protection against both wind and rain. This separation is more than adequate for the required separation distance per table r302 1.

Metal is usually installed on rafters or strip sheathing rather than the solid decking used under other materials. Weather and not properly protected by a roof eave or similar covering table r802 11 required strength of truss or rafter connections to resist wind uplift forcesa b c e f pounds per connection r804 3 2 1 1 eave overhang. Some slight overhang is recommended in conjunction with a drip edge flashing to prevent water from getting under the roofing and onto underlying wood. Doing so keeps basements and crawlspaces dry and it also helps to.

The siding underneath the overhang is known as the soffit. Minimum of two joists. Y of portland oregon burea u of devel opment services 1 900 sw 4th av enue po r tland oregon 97201 503 823 7300 www. Roof overhangs might look relatively routine but there is a lot of design thinking that goes into creating the optimal dimensions for each one.

A lean to greenhouse extending 6 from your house needs a minimum 8 of height with an additional 4 for each additional foot the greenhouse extends from the building wall. Roof overhangs are the amount that the roof hangs over the top of the siding in residential home construction. Eave overhangs shall not exceed 24 inches 610 mm measured horizontally.