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

  • Article

    Basement walls -- Moisture & Vapour Barriers

    Do I need to place a vapour barrier against the brick wall, then insulation and then another vapour barrier over that?  The wall does not leak and is fully underground.  Barbara THE VAPOUR BARRIER The vapour barrier is more properly called a vapour retarder. It is designed to stop moisture in t...
  • Article

    How to check if your furnace oil tank is safe

    Underground tanks are banned Many years ago we buried oil tanks in the ground. Think a minute about how bad an idea that was. When a very old tank developed a leak, we never knew about it and it just leaked oil into the ground for years, creating quite an environmental problem. That is why it is...
  • Article

    Cold window frames and window condensation

    Shawn asked why he always has condensation on his windows. Check "condensation" in the database and you will see a lot about high humidity in the house and the need for one sort of ventilation or another. Here I wanted to look closely at another cause of condensation -- extra cold spots on the wi...
  • Article

    What is the proper level of humidity for a house in the winter?

    Victor from Stoney Creek, Ontario writes: "My house is a 3 level back split and is 3 years old. The furnace is natural gas. I am having problems with condensation and mould on my thermal windows! The window manufacturer said that there is too much humidity and that thermal windows always get cond...
  • Article

    How to close off a chimney temporarily

    Jacqueline from Red Deer Alberta is trying to figure out how to close up her chimney between periods of using the fireplace, given that her damper is burned out and very difficult to replace. Closing off the top of the chimney There are dampers that go on the top of the chimney and are pulled t...
  • Article

    OVERVIEW: Changing the roof or roof covering on a house

    As I look at my own database, I see that I have almost 100 answers to specific questions about roofs and roofing.  Despite a good search engine, that much scattered information can get confusing.  Let me make just a couple of overview statements to help guide you in getting your existing or new r...
  • Learning Curve

    Ghosting-Dust Marks

    In some houses there are strange dark marks that seem to follow cathedral ceiling joists, or even wall studs. Paint as you like and they keep coming back. You need to know what causes these marks if you want to eliminate them.
  • Article

    PROFESSIONAL SERVICES -- removing the fog from thermal pane windows.

      When condensation shows up inside a thermal pane double window (between the two pieces of glass), you know that the seals around the edge have been compromised, allowing moisture to get inside. These cannot really be re-sealed so the standard response to this problem is to replace the glass ...
  • Article

    DIY -- Removing condensation from inside a thermal pane window.

        When condensation shows up inside a thermal pane double window (between the two pieces of glass), you know that the seals around the edge have been compromised, allowing moisture to get inside. These cannot really be re-sealed so the standard response to this problem is to replace the gla...
  • Article

    Why do I see the wall studs right through the drywall?

      Tim lives in a 13 year old house and is rather disturbed by the fact that he can see the studs and ceiling joists as if they were coming right through the wall. Don't panic Tim, this is unfortunately very common. It relates to a poor job of insulation in a cold climate.     You see, the ...
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