Roof Projection Overhang

150 mm on centre along the edges and 12 in.

Roof projection overhang.

A typical metal roof overhang may be 2 to 4 inches or even less. 6 mm sanded plywood nailed at 6 in. 300 mm at intermediate supports. Size of desired awning cover.

Another reason is for a seamless look where the patio cover is a continuation of the roof. They are essential for framing and shading windows reducing splashback and getting rain to fall far enough away from the foundation. The eave overhang gives some protection to the side wall and connects the roof and wall. Attaching to the fascia is a popular installation option especially for homes that have a low roof overhang height.

If you have a low roof overhang attaching to. The exterior finish is then butted up to the underside of the soffit. This first installment of a two part series focuses on eaves that do not return onto the gable. Roof overhangs might look relatively routine but there is a lot of design thinking that goes into creating the optimal dimensions for each one.

Doing so keeps basements and crawlspaces dry and it also helps to. The three primary variables to consider when designing the eaves for a gable roof are the width of the gable trim the projection of the eaves and the details at the corner of the gable ends. Wind factor exposure. 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.

Metal is usually installed on rafters or strip sheathing rather than the solid decking used under other materials. Some slight overhang is recommended in conjunction with a drip edge flashing to prevent water from getting under the roofing and onto underlying wood.