Flat Roof Overhang Length

This is particularly true in geographical regions where high winds are a common issue.

Flat roof overhang length.

The edge of the shingles should hang over a roof between an inch and an inch and a half or between a half inch and three quarters of an inch if drip edge flashing is installed. Too much overhang and the shingles could blow off in high winds. With a flat shed roof the roof simply extends past the wall plate to provide an overhang. Metal roofs also require particular attention especially the length of flat metal roofs.

There is a thing called wicking that if on a low enough slope will run up the underside of roofing and possible go up enough to get behind facia so usually wi. Steep roofs measure your house at ground level then add in the roof s overhang for greater accuracy. The tradeoff between solar heat gain and shading. I divided 13 42 by 12 inches to come up with 1 118 when the length of the base is 1.

And what is the pitch. 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 overhang at the bottom of the slope is a simple overhang. Then i simply multiplied the length of the base 72 5 8 or 72 625 inches by 1 118 which equaled 81 195 or 81 3 16 inches or the length of the bottom gable plate long point to long point.

The roof overhang length must be properly engineered to resist wind uplift. Roof overhangs are the amount that the roof hangs over the top of the siding in residential home construction. The siding underneath the overhang is known as the soffit. The roof overhang occurs in a similar way to the pent roof in that the top chord of the roof truss projects past the wall plate by the desired amount.

Overhangs are common in most house designs providing protection against both wind and rain. Because this style of a shed has a flat roof it can facilitate a wider overhang which is ideal for storage. Do you have edge metal. Too little can allow water to seep into rake or fascia boards.

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.