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Found 6 results for the keyword(s) ‘Icicles’

  • Article

    Roof De-Icing Cables and Leaf Guards

    When placing de-icing cables on a roof which has leaf guards on the rain gutters the layout of the cables need to be modified from traditional installations because the small holes in the leaf guards freeze over very quickly.  Best practice for standard cable installation is to have the cables l...
  • Article

    OVERVIEW: Roof Ice Dams & Icicles

    "Why do some houses have ice dams on the roof and others do not?" The overview is below -- for details go to Ice Dams -- for contractors who will really solve this problem, scroll to the bottom of this article.   What causes ice dams and ice cicles? Ice dams develop when snow is on the roof, ...
  • Article

    Shields for Rain Gutters

    One of the most successful, but most expensive ways to keep leaves out of rain gutters is to place a solid shield over the top.  Using the principle of surface tension of water, the water flows over the shield and wraps around its outside curve.  That curve extends out over the rain gutter itsel...
  • Article

    Pot lights: fire hazards and ice dams

    John in Kleinburg, Ontario asked if he should remove insulation from around his pot lights. Actually it is necessary to take the question much further.   HEAT FROM TRADITIONAL POT LIGHTS Pot lights, or recessed lighting fixtures as they are properly called, do create a lot of heat and it is tr...
  • Article

    Making an X-Ray of your roof

    When there is morning frost or light snow on a roof, you can learn a lot about a heat losses from the house and how to eliminate ice dams and icicles.    What causes problems  Melting the bottom of a snow pack or melting off all snow at the crown of the roof sends water down under the snow to ...
  • Article

    WHAT CAN I DO ABOUT ICE FORMATION ON THE EDGE OF THE ROOF?

    Recent research from Canada Mortgage and Housing Corporation has pointed out new priorities for solving ice dam problems. Common practice for years has been to address ice dams with more ventilation. It was when this practice wasn?t working very well that the researchers took a closer look a...
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