Maximum Roof Overhang Without Support

Guy wants a roof over his 2nd floor patio 9 out from the house.

Maximum roof overhang without support.

That said overhangs can extend as far as 2 without the need for external supports. 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. In general roof overhangs offer an effective solution for how to protect windows doors and entryways. For heavy roofs or in areas with substantial snowfall or winds call your local building department for code requirements.

Roof overhangs can extend farther than 2 feet but beyond this length they begin to lose structural integrity and require external supports. This can make extensive roof overhangs more trouble than they are worth in all but. Prescriptive residential deck construction guide awa b. 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. 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. 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.

This will protect a roof from most types of damage. Does this include drip edges that protrude or rain gutters or is it just the wood structure. A typical metal roof overhang may be 2 to 4 inches or even less. So can i cantilever 3 4.

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. 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.