Found 19 results for the keyword(s) ‘Ice Dams’

  • Article

    An alternative to ducting through the attic in a cold climate.

      In my experience, heating ducts that run through attics cause serious problems in snow country. Don't let a contractor talk you into it. In warm climates it is common practice to run heating and air conditioning ducting through attic spaces simply because it is easy to do. Unfortunately this ...
  • 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. Ice dams develop when snow is on the roof, outdoor temperatures are only slightly below freezing, and there is spot or generalized heat loss from the house into the attic/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

    Should I open the roof to fix the soffits?

    Gerry is reshingling an open beam low sloped roof that has always given him problems with ice dams. He wants to know if it is worth it to tear up the first four feet, install air sheets and replace the boards? Actually it is a great idea to perfect the over-the-wall section of the roof space any...
  • 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

    Roofing Ice Shields

    "I would like to ask your thoughts on the "pros and cons" on the use of the self-adhesive, 3 ft wide membrane (ice dam) used on the edge of the roof line. I believe that this would replace the felt paper, under the 1st rows of asphalt shingle. We have a sloped roof, but I do not know how ste...
  • Article

    OVERVIEW: When do I need to remove snow from a roof?

    For most houses, never -- let nature handle it. The reason for that is that most roofs are built to handle the snow that is piled up on it, removing snow is dangerous to you and often the process of snow removal causes more damage to the roof than the snow would. Those were the conclusions ...
  • Article

    Solving Ice Dam problems.

    Ice Dams are a serious problem throughout Canada, although it varies from year to year as to which region gets hit. Here we visited one of the solution companies who work to seal up the primary cause of ice dams, the warm air leaks into the attic. For more background on the problem check out th...
  • Article

    I have ice dams over a bay window.

    Sol, from Sudbury, Ontario, has terrible ice dams, as you can see in the photo. They are directly over his bay window. Take a good look at the house design. The bay window comes right out to the edge of the roof, preventing any possibility of any ventilation up over this area. In addition, be...
Back