Roof With Overhang Detail

With the west east overhangs the main use is siding window protection and keeping rain snow from foundation.

Roof with overhang detail.

No only does a roof overhang protect a facade from the ravages of weather it also can act like an awning to shade a patio or deck. A house with a generous roof overhang provides an extra layer of shelter and protection no wonder it looks more welcoming. But this guide is no longer published. But are they really necessary.

With our house we are planning minimal east and west overhangs and ample south and north. The original rafters are extended but original roof deck sheathing cut back to be flush with the original wall sheathing. I have battled with the same overhang no overhang design. The typical roof overhang serves six basic purposes.

Help to shade windows in hot weather reduce the amount of rain that hits the exterior of the home provide protection for doors and entryway keep basements dry protect the foundation from excess water runoff help to regulate the temperature of the. The next important aspect is to detail the eaves allowing adequate ventilation and simple methods to achieve this are indicated in figs. With composite siding such as boral s truexterior siding over a ventilated rain screen and with properly executed flashing at the windows and doors the walls on the fhb house will be able to handle rain just fine. Detailing for performance chapter 9 5 rake at wall exterior figure 9 3 roof.

If the gable overhang is to resist wind loads properly it must either be designed or constructed in accordance with some pre engineered prescriptive detail. Roof detail roofing eave overhang. Figure 4 shown above was originally published in a simpson strong tie technical bulletin the high wind framing connection guide. Chapter 9 4 wood.

Roof overhangs at the eaves and rakes protect the walls below from rain and sun. Thick and the overhang from the side wall set between 12 in. Detailing for performance roof detail clipped eave figure 9 2. To 18 in depending on the style of the building.

8 23b allows any water which may have penetrated through the tile to run down the roof slope into the gutter in the normal manner. When designing a gable end eave without a return the dimensions to look at are the width of the trim set between 6 in. On the front of the roof edges of the roofs the overhangs were extended to hide the thickness of the roof insulation photograph 10. Wide especially when the eave overhang is less than 12 in.

For a dimension see table 3 1. If the wind is blowing overhangs only protect the top few feet of the wall anyway. Avoid gable ends that are over 8 in.