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Found 86 results for the keyword(s) ‘Condensation’

  • Article

    Insulating a foundation with embedded floor joists

      Certain parts of Canada, particularly in the Winnipeg region, have a traditional construction technique that presents serious challenges when you want to insulate a basement -- the ends of the joists are actually embedded in the concrete foundation wall.  Chris, from Winnipeg, asked for some f...
  • Article

    Just what is Mould anyway?

      SPELLING First, a simple spelling problem. Is it 'mold' or 'mould'. According to the dictionaries, the two are equivalent, with 'mould' being primarily a British variation. But mold is active and dynamic, and dictionaries are slow in comparison. According to the Canada Mortgage and Housing Co...
  • Article

    Air Spaces in Walls -- Myth and Science -- Overview

      Walls often have air spaces hidden somewhere between the siding on the outside and the drywall on the inside.  Some are accidental -- some on purpose, even code required -- some served a purpose at one time in history but because of the evolution of construction, are no longer useful -- some a...
  • Article

    Green ooze from electrical outlets???

    Yes it happens -- but Why? Two viewers have strange problems with their electrical outlets. One has had bright green oily ooze coming out of an electrical outlet on and off for the last two years. Changing the outlet didn't stop it. Another has green deposits at the outlet every time she uses he...
  • Article

    Hollow Bulkheads over bathtubs.

    Rodney from Hamilton Ontario asks "why is there a bulkhead over most bathtubs? Every home I remodel seems to have the ceiling above the tub furred down about one foot." First of all Rodney, bulkheads are not a requirement of any kind and as far as I know, never were. In fact, they are a very reg...
  • Article

    Insulating un-insulated outside wall corners

    Often in constructing a house, the sequence of putting up walls, applying outside sheathing and installing insulation batts can leave the outside corner as a hollow spot with no insulation. The carpentry work was done and the hollow corner closed and hidden before the guys with the fiberglass eve...
  • Article

    Tips for working with fiberglass insulation

      CUTTING FIBERGLASS STRAIGHT AND SQUARE   It is always easier to cut fiberglass batt insulation if you compress it down as flat as possible. That way you can get through in one pass. Using a piece of plywood gives you a straight edge at the same time.         There is a special devic...
  • Article

    Tips to applying window shrink wraps for the winter.

    Shrink to fit winter windows are really great draft stoppers and energy savers for old windows and patio doors.   Plastic has almost no R-value Since plastic and glass have no real R-value, the dead air space created between the plastic and the window is as good as can be created with another ...
  • Article

    A window that is warmer than the insulated wall

    I have always said that as far as the cold getting into your house is concerned, a window is always the coldest part of a wall. But no longer. A company called Prelco from Riviere-du-loup, Quebec has produced a window called Prel-Therm that actually plugs into your electrical system. That's right...
  • Article

    Soffit vents covered up or just not working.

    Manuel from Kingston, Ontario has just purchased a house and knows that there have been past problems with ice-damming. He inspected the attic and found that there were enough roof top vents, but the old wooden soffits have been covered up with aluminium and there were no vents installed. How can...
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