How To Shingle An Out Of Square Roof

As a rule of thumb there are 3 bundles to a square assuming that you are using three tab strip shingles.

How to shingle an out of square roof.

In the dictionary to shingle is. However shingles are packaged in a way that they are light enough for the average person to carry around. Applying the roof cap is the next step. You have the choice of purchasing cap shingles or cutting your own out of standard shingles.

Place the first shingle end flush to the edge of the roof. These chalk lines will serve as a guide for subsequent even numbered rows of shingles and odd numbered rows respectively. Mark these points on the rafter. Multiply the width and length measurements together to determine the area.

Prep the roof for shingles including the starter and first course. Place the square on the rafter s end. It generally takes three packs of shingles to cover 100 square feet 9 29 square meters. 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.

Out of square roof here s what i ll do. Lay out the rafter. 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. The most common roofing materials used in the united states include shingles membrane roofing and ceramic tile all of which have different life spans.

Align the lower edge and end with the corresponding lower edge and end of the roof. Fasten the upper corner of. How to measure for roof shingles. Shingle roofs typically have a life span of 15 30 years while membrane roofs usually last 5 15 years.

Asphalt roofing shingles simply rely on the force of gravity to shed water from rain or snow melt. Although ceramic tile roofs are expensive they can have a life span of over 100 years. Measure your roof so you can be sure you buy the right amount of shingles. 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.

To cut your own just cut down multi flap shingles into individual shingles. A square of shingles is the number of shingles needed to cover 100 sq feet of roof area. Understand the physics of how a sloped shingle roof works. If the roof shingles and all accessory roof components are arranged and overlapped with this in mind the roof should successfully shed water.

Cut the shingles so that both edges of the upper overlap part have an inward angle.