Flat Roof Overhang Framing

It has a 1 4 pitch.

Flat roof overhang framing.

However there is also an architectural purpose to them. They also help to frame windows on upper stories. That is their functional purpose. An eave is the edge of the roof that overhangs the face of a wall and normally projects beyond the side of a building.

Flat roofs come in many shapes and sizes which include parapet roofs roof decks and green roofs to name just a few of the options available. Start with roof framing. In the direction of the roof span the roof member simply cantilevers past the wall plate. To 18 in depending on the style of the building.

Yet for historic modern style buildings like this old house s cambridge tv project flat roofs are at the core of the architecture meant to reflect the broad horizontal lines of the natural landscape. Of course you don t need to live in a modern house to deal with a flat roof. Wide especially when the eave overhang is less than 12 in. This video will.

Because the roof slope is steeper than for flat roofs it makes much more sense to slope the roof framing in this case to follow the roof pitch. Flat roofs aren t architecturally logical as rain and snow will shed much more quickly off a sloped roof. Let s have a look at two different popular roof styles. Due to the steeper angle of gable roof the maximum width of the eaves is narrower than other shed styles.

Figure 10 40 and reduce that to 1 4. The last pieces to go in were nailing blocks above the ledger for the back of the return and at the bottom edge of the soffit for attaching the rake 20. Due to the shed s design a significant amount of rain runs off the rear of the shed. Flat roofs can be used to create box shapes cantilevered into daring overhangs or can be planted to create usable vegetated gardens.

On the other edge a gable ladder is constructed which is formed from two rafters with noggins between that support the end rafter. Eaves form the overhang to distribute water clear of the walls. That makes the roof s span 40 feet. Thick and the overhang from the side wall set between 12 in.

Say your house is 38 feet wide and the gable roof has a 1 foot overhang on each side. A rake on the gable end of the roof can be created with the construction of additional roof framing. Before the roof sheathing goes on the open framing provides easy access for attaching the return blocking and the nailers for the rake soffit. From the eaves to the peak it s 10 feet high that s the rise.

For gabled roofs the roof rafters extending beyond the wall caps creating an angled roof overhang on the eaves. Avoid gable ends that are over 8 in. Roof framing members can be any number of materials depending on the span. For slanted roof sheds overhangs add character and facilitate proper drainage.