Metal Roof Overhang Length

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.

Metal roof overhang length.

The size of the roof overhang you choose depends largely on the style of your shed s roof. 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. This is particularly true in geographical regions where high winds are a common issue. The eave flashing should be installed to overhang the lip of the gutter by about 1 2 inch.

Measure the length of the roof and the breadth of one side. The metal roof length calculator calculates the distance from peak to trim so add the length you want the roof metal to extend beyond the eave trim. We recommend about 2. The siding underneath the overhang is known as the soffit.

Corrugated metal roofing generally comes in sheets that are 3x6 feet in size 18 square feet. Metal roofing is a unique trend in roofing and this guide will walk you through the steps including how to install metal roofing over shingles. The roof overhang length must be properly engineered to resist wind uplift. Metal roofs also require particular attention especially the length of flat metal roofs.

Do you have edge metal. Overhangs are common in most house designs providing protection against both wind and rain. Steeper pitched metal roofs typically do not require much overhang because snow and ice slides off the smooth surface so easily. These form when show melts but then re freezes at the edges of the roof which typically get less heat from inside the building.

Use measuring tools to find the length and width of the roof from the ground outside. With a flat shed roof the roof simply extends past the wall plate to provide an overhang. The length of the overhang depends primarily on the climate. 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. And what is the pitch. Multiply those numbers and then double the result for the square footage of your roof. How to cut metal roofing never use a circular saw or other device that will fling hot metal chips all around the area you cut.

Roof overhangs are the amount that the roof hangs over the top of the siding in residential home construction. Divide the square footage of your roof by 18 to give you the number of sheets you ll need.