Found 112 results for the keyword ‘Moisture’

  • Insulating problems with historical buildings

    Hello Jon I am the chairman of a church committee with the task of raising money, and doing the admin. for the restoration at St Andrew United. My concern now is the proper procedure to fully insulate the Church. I am alright with the Attic as well as the crawl space, however I am pondering the...
  • WHY IS THERE FROST ON THE RUG?

    On windy days, houses in the Prairies often develop a small frost line on the rug about an inch away from the wall on the north or west side of the house. Here the wind is succeeding in lowering the temperature of the most poorly insulated part of the house -- the floor boards. In most construct...
  • 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 unit....
  • 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...
  • What happens when laminated floorings get wet?

    Any wood product will expand when it gets wet, some worse than others. Today we have a wide variety of wood or wood like flooring products.Massive HardwoodFirst you should understand that even massive hardwood, if allowed to stay wet or overly humid for too long will swell up and potentially buc...
  • Tips on Hardwood Floors

    Leonard (Scotty) Wells, a long time floor installer dropped by to discuss hardwood floor expansion and contraction.His greatest recommendation was to try and control the humidity in the house to keep it as even as possible between summer and winter.Pre-finished floors have less problem of expansi...
  • Would installing insulation between the floor joists prevent moisture in the house from a crawl space?

    Harold in New Brunswick has a problem with moisture and mould. He has a bungalow with a 2 foot crawl space. There is no insulation in the floor and no vapour barrier under the floor. He asks if installing insulation between the floor joists prevent moisture in the house?No. Most insulation wi...
  • Stopping mould growth above the bedroom window.

    Lorraine from Elliot Lake, Ontario has mould growing out from the joint between the wall and the ceiling in her bedroom. This is a common problem caused by the fact that most houses are built with two pieces of wood on the top of the wall called a ?double header?, with no insulation at this spot...
  • WHAT IS THE NEUTRAL PLANE?

    (Also called the neutral pressure point or the zero pressure point.)Cold air will generally sneak in (infiltrate) at the bottom of the house and warm air will leak out (exfiltrate) at the top of the house. This is called the "stack effect" caused by the rising effect of warm air. In between ...
  • WHICH DEHUMIDIFIER IS BEST?

    The only type of dehumidifier that is any good at all during the winter is a fresh air ventilation system. Mechanical and chemical dehumidifiers are not only expensive and bothersome, but they cannot generally reduce the relative humidity to less than 50 per cent -- not low enough to keep frost ...