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2. Florida Roof Choices: Comparing Durability, Cost, and Style - AOL

   www.aol.com/florida-roof-choices-comparing...

   Average Cost: $7-$16 per square foot installed. Average Lifespan: 40-70+ years. Metal roofs are built to withstand hurricane-force winds, resist sun damage, hold up well in rain, and reflect ...

3. Copper in architecture - Wikipedia

   en.wikipedia.org/wiki/Copper_in_architecture

   [11] [46] [47] A European study comparing roofing costs of copper with other metals, concrete and clay tiles, slate, and bitumen found that in the medium to long-term (for lives of 60 to 80 years and 100 years and over), copper and stainless steel were the most cost effective roofing materials of all materials examined.

4. Verdigris - Wikipedia

   en.wikipedia.org/wiki/Verdigris

   The Statue of Liberty, showing advanced patination; verdigris is responsible for the statue's iconic green colour.. Verdigris (/ ˈ v ɜːr d ɪ ɡ r iː (s)/) [1] is a common name for any of a variety of somewhat toxic [2] [3] [4] copper salts of acetic acid, which range in colour from green to a bluish-green depending on their chemical composition.

5. Metal roof - Wikipedia

   en.wikipedia.org/wiki/Metal_roof

   Metal roofs can last up to 100 years, with installers providing 50-year warranties. [citation needed] Because of their longevity, most metal roofs are less expensive than asphalt shingles in the long term. [10] Metal roofing can consist of a high percentage of recycled material and is 100% recyclable. [11]

6. Patina - Wikipedia

   en.wikipedia.org/wiki/Patina

   Patina (/ p ə ˈ t iː n ə / pə-TEE-nə or / ˈ p æ t ɪ n ə / PAT-ih-nə) is a thin layer that variously forms on the surface of copper, brass, bronze, and similar metals and metal alloys (tarnish produced by oxidation or other chemical processes), or certain stones [1] and wooden furniture (sheen produced by age, wear, and polishing), or ...

7. Green roof - Wikipedia

   en.wikipedia.org/wiki/Green_roof

   A properly designed and installed extensive green-roof system can cost $108–$248/m 2 ($10–$23/sq ft) while an intensive green roof costs $355–$2,368/m 2 ($33–$220/sq ft) However, since most of the materials used to build the green roof can be salvaged, it is estimated that the cost of replacing a green roof is generally one third of the ...