Maximum Roof Overhang Without Support

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.

Maximum roof overhang without support. Two feet is the general maximum length for a typical roof overhang. Problem is the structural support is 5 8 out from the house. Guy wants a roof over his 2nd floor patio 9 out from the house. With a flat shed roof the roof simply extends past the wall plate to provide an overhang.

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

This will protect a roof from most types of damage. Some slight overhang is recommended in conjunction with a drip edge flashing to prevent water from getting under the roofing and onto underlying wood. That said overhangs can extend as far as 2 without the need for external supports. Metal is usually installed on rafters or strip sheathing rather than the solid decking used under other materials.

For heavy roofs or in areas with substantial snowfall or winds call your local building department for code requirements. In general roof overhangs offer an effective solution for how to protect windows doors and entryways. Max overhang is jl 4 max jl for southern pine for example on 16 centers is 10 6 126 so the max overhang is 126 4 31 5 details are here. The irc gives a maximum of 24 for roof overhangs.

So can i cantilever 3 4. The size of the roof overhang you choose depends largely on the style of your shed s roof. 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. Does this include drip edges that protrude or rain gutters or is it just the wood structure.