Flat Roof Overhang Length

We are using 9x2 joists for the span but these will be notched down to 5 for the overhang.

Flat roof overhang length.

The size of the roof overhang you choose depends largely on the style of your shed s roof. Keep in mind that the average size of a roof is 1 700 square feet so your total will likely be 10 higher or lower than this figure. Does anyone know what the maximum overhang can be for a flat roof construction depending on joist size. The length of the overhang depends primarily on the climate.

The tradeoff between solar heat gain and shading. Steep roofs measure your house at ground level then add in the roof s overhang for greater accuracy. This information is available from your building inspector or planning department. Here phil explains how much overhang a roof should have at the gutter.

As an example most areas of the united. This is particularly true in geographical regions where high winds are a common issue. The roof overhang length must be properly engineered to resist wind uplift. We are building the roof and want to create an overhang that acts as a bit of a canopy above a bi fold door to shield it a bit from rain.

The dead load is constant and is estimated as 10 pounds per square foot for wood framed construction. The live load depends on the maximum snow load in your area. This video will. Flat roofs if your roof is flat or has no more than a 3 in 12 pitch you can calculate its total square footage by simply multiplying the length by the width.

The siding underneath the overhang is known as the soffit. The roof load is composed of a dead load and a live load. The first step in a free roofing estimate is measuring the roof dimensions. Because this style of a shed has a flat roof it can facilitate a wider overhang which is ideal for storage.

With a flat shed roof the roof simply extends past the wall plate to provide an overhang. You will need to express this size in terms of square feet.