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  2. Seismic retrofit - Wikipedia

    en.wikipedia.org/wiki/Seismic_retrofit

    Seismic retrofitting is the modification of existing structures to make them more resistant to seismic activity, ground motion, or soil failure due to earthquakes.With better understanding of seismic demand on structures and with recent experiences with large earthquakes near urban centers, the need of seismic retrofitting is well acknowledged.

  3. Shed roof - Wikipedia

    en.wikipedia.org/wiki/Shed_roof

    A single-pitched roof can be a smaller addition to an existing roof, known in some areas as a lean-to roof, and a "outshot", "catslide", or skillion roof in others. Some Saltbox homes were expanded by the addition of such a roof, often at a shallower pitch than the original roof. Single-pitched roofs are used beneath clerestory windows.

  4. Underpinning - Wikipedia

    en.wikipedia.org/wiki/Underpinning

    In construction or renovation, underpinning is the process of strengthening the foundation of an existing building or other structure. Underpinning may be necessary for a variety of reasons: The original foundation isn't strong or stable enough. The usage of the structure has changed.

  5. Lean-to - Wikipedia

    en.wikipedia.org/wiki/Lean-to

    A lean-to addition is an appendix to an existing structure constructed to fulfill a new need. Sometimes, it covers an external staircase, as in a 15th century addition against one of the walls of the large chapter room of the cathedral of Meaux. Other uses include protecting entrances, or establishing covered markets outside existing buildings. [1]

  6. Reflective surfaces (climate engineering) - Wikipedia

    en.wikipedia.org/wiki/Reflective_surfaces...

    An existing (or new) roof can be made reflective by applying a solar reflective coating to its surface. The reflectivity and emissivity ratings for over 500 reflective coatings can be found in the Cool Roofs Rating Council. [26]

  7. The Stargate Project: An Investor's Take - AOL

    www.aol.com/stargate-project-investors-014500282...

    How 20 data centers get a $500 billion price tag. Then, Motley Fool analyst Seth Jayson joins the podcast to walk through why the rooftop solar industry doesn't look so sunny. To catch full ...

  8. Roof coating - Wikipedia

    en.wikipedia.org/wiki/Roof_coating

    Roof coatings can add 25 years to the service life of a roof and reduce the amount of discarded roofing materials that end up in landfills. The infrared image on the right shows 79 °C (174 °F) on the uncoated (black) section of the modified bitumen roof. The coated (white) section is 26 °C (79 °F).

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    Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

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