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2. Watch: Drone footage shows caved-in roofs after lake-effect ...

   www.aol.com/watch-drone-footage-shows-caved...

   ONEIDA COUNTY, N.Y. – Days of concentrated lake-effect snow resulted in feet of fresh powder being dumped on several counties in upstate New York.That was enough snow to collapse the roofs of ...

3. Ice dam (roof) - Wikipedia

   en.wikipedia.org/wiki/Ice_dam_(roof)

   Ice dams may result in leaks through the roofing material, possibly resulting in damaged ceilings, walls, roof structure and insulation, or injury when the ice dam falls off or from attempts to remove ice dams. [1] The melting of roof snow comes from the combination of three basic causes: [2] Air temperatures well below freezing.

4. Flashing (weatherproofing) - Wikipedia

   en.wikipedia.org/wiki/Flashing_(weatherproofing)

   At the very bottom of a roof/wall intersection, the lowermost step flashing specially formed to deflect water away from the wall. Valley flashing In the valley of two intersecting roof planes. A structure incorporating flashing has to be carefully engineered and constructed so that water is directed away from the structure and not inside.

5. Internal erosion - Wikipedia

   en.wikipedia.org/wiki/Internal_erosion

   Internal erosion is the formation of voids within a soil caused by the removal of material by seepage. [1] It is the second most common cause of failure in levees and one of the leading causes of failures in earth dams, [2] responsible for about half of embankment dam failures.

6. Wood shingle - Wikipedia

   en.wikipedia.org/wiki/Wood_shingle

   In Scandinavia shakes, traditionally used only for roofing, are generally smaller than in North America, measuring 13–16 inches (330–410 mm) long, 4–6 inches (100–150 mm) wide and 1 ⁄ 8 inch (3.2 mm) thick, [6] while in Poland and Slovakia they are usually 36 inches (910 mm) long, 4–6 inches (100–150 mm) wide and 1–1.25 inches ...

7. Rain gutter - Wikipedia

   en.wikipedia.org/wiki/Rain_gutter

   Water falls towards a parapet gutter, a valley gutter or an eaves gutter. [12] When two pitched roofs meet at an angle, they also form a pitched valley gutter: the join is sealed with valley flashing. Parapet gutters and valley gutters discharge into internal rainwater pipes or directly into external down pipes at the end of the run. [12]

8. Snow guard - Wikipedia

   en.wikipedia.org/wiki/Snow_guard

   Three-pipe Snow Fence System Snow Guards in Jackson, WY, USA Standing seam metal roof with Snow guards to keep snow from sliding off the roof too quickly. A snow guard is a device used to retain snow and ice from falling from one surface to a lower one; in contemporary usage, they are installed to prevent snow/ice pack from avalanching and damaging people, plants, and property below.

9. List of pipeline accidents in the United States - Wikipedia

   en.wikipedia.org/wiki/List_of_pipeline_accidents...

   This page was last edited on 26 September 2024, at 11:08 (UTC).; Text is available under the Creative Commons Attribution-ShareAlike 4.0 License; additional terms may apply.