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2. Metal roof - Wikipedia

   en.wikipedia.org/wiki/Metal_roof

   Metal roofs are 100% recyclable and can be made from other recycled products. Asphalt shingles are petroleum based with other chemicals making their recycling process more toxic, most shingles are not recycled and 20 billion pounds (9.1 million tonnes) are sent to landfills every year and take hundreds of years to decompose.

3. List of commercially available roofing materials - Wikipedia

   en.wikipedia.org/wiki/List_of_commercially...

   Stone slabs require a very heavyweight roof structure, but their weight makes them stormproof. An obsolete roofing material, now used commercially only for building restoration. Collyweston stone slate named after the village of Collyweston; Solar shingle; Metal shakes or shingles. Long life. High cost, suitable for roofs of 3:12 pitch or greater.

4. Architectural metals - Wikipedia

   en.wikipedia.org/wiki/Architectural_metals

   Aluminium was unavailable at reasonable cost or in sufficient quantities for general architectural use until after the beginning of the 20th century. Architectural use of aluminum increased in the 1920s, mainly for decorative detailing. It was used for roofing, flashing, gutters, downspouts, wall panels, and spandrels.

5. Aluminum Can Prices: Are They Still Worth Collecting?

   www.aol.com/aluminum-prices-much-yours-worth...

   Aluminum can prices vary by region and are based on weight. The average recycling value per pound of cans in the U.S. is currently $0.56. How many aluminum cans are in a pound?

6. Roof - Wikipedia

   en.wikipedia.org/wiki/Roof

   Its low cost and easy application made it the most accessible commercial roofing, worldwide. Since then, many types of metal roofing have been developed. Steel shingle or standing-seam roofs last about 50 years or more depending on both the method of installation and the moisture barrier (underlayment) used and are between the cost of shingle ...

7. Roofer - Wikipedia

   en.wikipedia.org/wiki/Roofer

   Across 14 researched markets, roofing contracting companies have reported that they have received more frequent calls regarding potential metal roof installations. For instance, one company used to receive 5-6 calls in total regarding metal installations but recently, they have received 5-6 calls weekly for inquiries regarding metal roof ...