How To Shingle An Out Of Square Roof

A square of shingles is the number of shingles needed to cover 100 sq feet of roof area.

How to shingle an out of square roof.

In the dictionary to shingle is. Align the lower edge and end with the corresponding lower edge and end of the roof. However shingles are packaged in a way that they are light enough for the average person to carry around. You have the choice of purchasing cap shingles or cutting your own out of standard shingles.

To cut your own just cut down multi flap shingles into individual shingles. The most common roofing materials used in the united states include shingles membrane roofing and ceramic tile all of which have different life spans. Applying the roof cap is the next step. Snap a vertical chalk line from the inside edge of the first shingle on the second row to the top of the roof and from the inside edge of the first shingle to the top of the roof.

Measure your roof so you can be sure you buy the right amount of shingles. Cut the shingles so that both edges of the upper overlap part have an inward angle. These chalk lines will serve as a guide for subsequent even numbered rows of shingles and odd numbered rows respectively. If the roof shingles and all accessory roof components are arranged and overlapped with this in mind the roof should successfully shed water.

Measure the width and length of each section of your roof. Determine which side of the roof is the tallest as measured to the headlap of the first course tall side 120 short side 118 for example. Fasten the upper corner of. It generally takes three packs of shingles to cover 100 square feet 9 29 square meters.

Out of square roof here s what i ll do. Shingle roofs typically have a life span of 15 30 years while membrane roofs usually last 5 15 years. Place the square on the rafter s end. As a rule of thumb there are 3 bundles to a square assuming that you are using three tab strip shingles.

Place the first shingle end flush to the edge of the roof. Multiply the width and length measurements together to determine the area. Asphalt roofing shingles simply rely on the force of gravity to shed water from rain or snow melt. Roll out 3 feet of the roof starter roll at one corner of the lower edge of the roof.

By severe i mean that on a roof that measures 17 feet from eave to ridge and a little over 29 ft wide i snapped my lines for starting out square using multiples of the 3 4 5 method and found out that the roof was basically a trapezoid being 5 inches out of square at the top left of the roof and approximately the same on the right hand lower. Lay out the rafter. Understand the physics of how a sloped shingle roof works. How to measure for roof shingles.

Although ceramic tile roofs are expensive they can have a life span of over 100 years.