Maximum Roof Overhang Without Support

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Maximum roof overhang without support.

Two feet is the general maximum length for a typical roof overhang. That said overhangs can extend as far as 2 without the need for external supports. Does this include drip edges that protrude or rain gutters or is it just the wood structure. Roof overhangs can extend farther than 2 feet but beyond this length they begin to lose structural integrity and require external supports.

Some slight overhang is recommended in conjunction with a drip edge flashing to prevent water from getting under the roofing and onto underlying wood. Metal is usually installed on rafters or strip sheathing rather than the solid decking used under other materials. Maximum rafter spans for a patio roof in areas with mild climates patio roofs are generally designed for loads of 30 psf pounds per square foot. And can i put tile on a 4 12 roof.

The size of the roof overhang you choose depends largely on the style of your shed s roof. This will protect a roof from most types of damage. Prescriptive residential deck construction guide awa b. Problem is the structural support is 5 8 out from the house.

Also i am putting rigid foam on the outside of my walls so i will have about 2 1 2 of material past the sheathing. If the roof overhang is not big enough then the only way to protect these windows doors and entryways is by recessing them into the thick exterior wall or by installing special casing and flashing for each door or entryway. A typical metal roof overhang may be 2 to 4 inches or even less. With a flat shed roof the roof simply extends past the wall plate to provide an overhang.

I m thinking 2 8 16 o c with tile roof per his request 4 12 pitch. In general roof overhangs offer an effective solution for how to protect windows doors and entryways. Guy wants a roof over his 2nd floor patio 9 out from the house. For heavy roofs or in areas with substantial snowfall or winds call your local building department for code requirements.