Roof Projection 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.

Roof projection overhang.

The eave overhang gives some protection to the side wall and connects the roof and wall. 6 mm sanded plywood nailed at 6 in. Another reason is for a seamless look where the patio cover is a continuation of the roof. Soffits are usually closed in with pre finished metal or vinyl panels or 1 4 in.

As nouns the difference between overhang and projection is that overhang is the volume that tips the balance between the demand and the supply toward demand lagging supply while projection is something which projects protrudes juts out sticks out or stands out. 300 mm at intermediate supports. Attaching to the fascia is a popular installation option especially for homes that have a low roof overhang height. The exterior finish is then butted up to the underside of the soffit.

Doing so keeps basements and crawlspaces dry and it also helps to. 150 mm on centre along the edges and 12 in. They are essential for framing and shading windows reducing splashback and getting rain to fall far enough away from the foundation. Roof overhangs might look relatively routine but there is a lot of design thinking that goes into creating the optimal dimensions for each one.

For roof projections l u shall be taken equal to the greater of the length of the roof upwind or downwind of the projection 33 outline minimum roof snow load thermal factor unbalanced load drift load on adjacent roof parapet wall rtu drift sliding load on adjacent roof ponding faq s 34 sliding load on adjacent roof sliding load on. If you have a low roof overhang attaching to. This first installment of a two part series focuses on eaves that do not return onto the gable. As a verb overhang is to hang over something.

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