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2. Square (unit) - Wikipedia

   en.wikipedia.org/wiki/Square_(unit)

   square metre. 9.29030. The square is an Imperial unit of area that is used in the construction industry in the United States and Canada, [1] and was historically used in Australia. One square is equal to 100 square feet. Examples where the unit is used are roofing shingles, metal roofing, vinyl siding, and fibercement siding products.

3. What to Consider Before You Choose a Roofing Material - AOL

   www.aol.com/consider-choose-roofing-material...

   When choosing between a metal roof vs. shingles, consider the pros and cons of their cost and lifespan. ... with a growing number of roofing options available, ... for a typical 2,500-square-foot ...

4. Roof shingle - Wikipedia

   en.wikipedia.org/wiki/Roof_shingle

   Roof shingle. A shingle roof in Zakopane, Poland. With an area of 6000 m2 (1½ acres), it was one of the largest wooden shingle roofs in Europe. A roof’s shingles are a roof covering consisting of individual overlapping elements. These elements are typically flat, rectangular shapes laid in courses from the bottom edge of the roof up, with ...

5. Asphalt shingle - Wikipedia

   en.wikipedia.org/wiki/Asphalt_shingle

   Asphalt shingles are an American invention by Henry Reynolds of Grand Rapids, Michigan. [2] They were first used in 1903, in general use in parts of the United States by 1911 and by 1939 11 million squares (100 million square meters) of shingles were being produced. [3] A U.S. National Board of Fire Underwriters campaign to eliminate the use of ...

6. Not all roofing shingles are created equal: Here are options ...

   www.aol.com/not-roofing-shingles-created-equal...

   Metal roofing: "Available in two types, panels and shingles, metal roofs come in aluminum, copper, stainless steel and zinc." Slate: "Offering lots of beauty and a distinctive elegant appearance."

7. Asphalt roll roofing - Wikipedia

   en.wikipedia.org/wiki/Asphalt_roll_roofing

   The shingles produced in 1939 were sufficient to cover more than 1,000,000 dwellings, assuming an average size of 10 squares per roof. In two surveys of roofing materials in 20 Eastern States, - made during 1938, the kinds of roofing materials on 20,841 dwellings along 4,038 miles of highway were tabulated.