Roof Overhang Dimensions

Roof pitch is the measurement of a roof s vertical rise divided by its horizontal run.

Roof overhang dimensions.

The ideal spec for roof overhangs. Roof overhangs are the amount that the roof hangs over the top of the siding in residential home construction. In the united states a run of 12 inches 1 foot is used and pitch is measured as the rise of the roof over 12 inches. Overhangs are common in most house designs providing protection against both wind and rain.

The size of the roof overhang depends on the property. They are essential for framing and shading windows reducing splashback and getting rain to fall far enough away from the foundation. This house will have a gable roof and a 16 center area with a cathedral ceiling over the living and dining room areas the roof pitch will be 5 12 with a cathedral ceiling at a 2 5 12 slope the overhang will be 2 around the whole house the trusses on the ends of the house will be drop top gable trusses. Another exception would be along eave sides with doors for weather protection longer overhangs generally work best.

It is often compared to slope but is not exactly the same. Metal is usually installed on rafters or strip sheathing rather than the solid decking used under other materials. With a flat shed roof the roof simply extends past the wall plate to provide an overhang. A typical metal roof overhang may be 2 to 4 inches or even less.

The length of the overhang depends primarily on the climate. Roof overhangs might look relatively routine but there is a lot of design thinking that goes into creating the optimal dimensions for each one. 12 to 16 foot eaves 18 inch overhangs. The size of the roof overhang you choose depends largely on the style of your shed s roof.

The exceptions include enclosed overhangs on open sidewalls i do not like the look and they become a nesting place for small flying critters and birds. Because this style of a shed has a flat roof it can facilitate a wider overhang which is ideal for storage. On very tall buildings there are hardly any benefits of roof overhangs as the surface areas of the walls are so high. 16 foot and taller 24 inch overhangs.