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2. How Much Does it Cost to Replace a Roof? - AOL

   www.aol.com/much-does-cost-replace-roof...

   Size of Your Roof. The typical roof replacement will range between $4 to $11 per square foot. The higher the square footage, the more your roof replacement will cost. For a 1,500 square foot roof ...

3. Bituminous waterproofing - Wikipedia

   en.wikipedia.org/wiki/Bituminous_waterproofing

   Bituminous waterproofing. Bituminous waterproofing systems are designed to protect residential and commercial buildings. Bitumen (asphalt or coal-tar pitch) is a material made up of organic liquids that are highly sticky, viscous, and waterproof. [1] Systems incorporating bituminous-based substrates are sometimes used to construct roofs, in the ...

4. Center for Environmental Innovation in Roofing - Wikipedia

   en.wikipedia.org/wiki/Center_for_Environmental...

   In February 2008, a group of industry leaders established the Center for Environmental Innovation in Roofing, a 501 (c) (6) organization designed to promote the knowledge base, development, and use of environmentally responsible, high-performance roof systems. The Center was created with specific objectives: The Center commenced operations on ...

5. Metal roof - Wikipedia

   en.wikipedia.org/wiki/Metal_roof

   The connection wires run under the ridge cap at the top of the roof. Efficiency ranges from 10–18% but costs only about $2.00–$3.00 per watt of installed capacity, compared to monocrystalline which is 17–22% efficient and costs $3.00–$3.50 per watt of installed capacity. Thin-film solar is light weight at 2.1–3.1 kg/m 2 (7–10 oz/sq ft

6. List of most expensive buildings - Wikipedia

   en.wikipedia.org/wiki/List_of_most_expensive...

   Skidmore, Owings & Merrill. The Port Authority of New York and New Jersey. 2012. 3.80 [17] 4.49. Marina Bay Financial Centre. Singapore. Singapore. Kohn Pedersen Fox with DCA Architects.

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.