Habitat for Humanity
Shingles with Design
Behind the Scenes - Habitat for Humanity
With the threat of rain the roof OSB board was covered and ready for shingles. Ryley, Dominic, and the crew of Helena Construction tackled the steep job. The drip edge was installed first on the front edge of the roof and to the gable to give the roof a nice trimmed look from the outside. The trick to getting started is a reverse shingle, known as an under course placed from the lower left hand corner to the drip edge. A finished shingle course is then placed on top of the reverse protecting it from the weather.
To keep the shingles in a straight line, snap the lines with chalkline every four or five courses. The shingles are called a composite shingle, made of a combination of fiberglass and asphalt. These shingles are considered to be architectural grade with their shadowing look which creates a 2D pattern as the shingles are layed.
With a roof measuring 900 square feet, remember to plan for trim and waste. Dominic and his crew estimate a day or day and a half to shingle the roof. To shingle the remainder of the roof, roof brackets that the crew can kneel on are installed so the crew can work safely on a roof with a 9/12 pitch. The staging is moved a section at a time as each section is complete. The overall effect of the architectural shingles is a roof with design.
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