Flat Roof Overhang Length

Roof overhangs are the amount that the roof hangs over the top of the siding in residential home construction.

Flat roof overhang length. The tradeoff between solar heat gain and shading. The dead load is constant and is estimated as 10 pounds per square foot for wood framed construction. Because this style of a shed has a flat roof it can facilitate a wider overhang which is ideal for storage. Overhangs are common in most house designs providing protection against both wind and rain.

The siding underneath the overhang is known as the soffit. The roof overhang length must be properly engineered to resist wind uplift. We are using 9x2 joists for the span but these will be notched down to 5 for the overhang. This is particularly true in geographical regions where high winds are a common issue.

As an example most areas of the united. With a flat shed roof the roof simply extends past the wall plate to provide an overhang. Steep roofs measure your house at ground level then add in the roof s overhang for greater accuracy. The first step in a free roofing estimate is measuring the roof dimensions.

You will need to express this size in terms of square feet. The live load depends on the maximum snow load in your area. 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. Metal roofs also require particular attention especially the length of flat metal roofs.

The length of the overhang depends primarily on the climate. The size of the roof overhang you choose depends largely on the style of your shed s roof. Does anyone know what the maximum overhang can be for a flat roof construction depending on joist size. This information is available from your building inspector or planning department.

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.