Found 56 results for the keyword(s) ‘Attic’

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  WHAT ARE THE RULES FOR APPLYING INSULATION IN THE ATTIC?

  -- Take care of air barriers, ventilation and vapour barriers before insulating. Check out these three topics in the Search Tab above.-- Don't block the eave vents with insulation.-- Do cover the top of the outside wall.-- Don't put plastic foam on top of porous insulations (batts, loose fill) a...
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  WHAT IS THE BEST INSULATION FOR THE ATTIC?

  Any insulation will work in an attic.It is easy to insulate an open attic, so expensive specialized insulations are not necessary -- anyway, it is supposed to be dry up there. My preference is loose-fill cellulose to the top of the joists (if your ceiling is sturdy enough to hold the weight) ...
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  HOW DO I AVOID BLOCKING THE EVE VENTS WITH INSULATION?

  Blocking the eve vents with the insulation is one of the most common causes of moisture problems in attics. The insulation should extend over the top of the outer wall and stop short of the vents, not touching the roof in such a way as to block air passages from the vents into the attic.Batt...
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  ATTICS

  Air leaks account for the greatest loss of heating dollars from Canadian homes. These are easily solved by sealing. The greatest conductive heat losses occur through the basement. Canadian basements typically lose more heat than ceilings because attics usually have a little insulation (eve...
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  WHY DO I HAVE FROST IN THE ATTIC?

  Frost in the attic is no different than anywhere else. It is caused by warm moist air coming into contact with cold surfaces and dropping its moisture. The problem in attics is primarily one of quantity; in one house frost accumulations of up to fifteen hundred pounds were discovered one co...
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  SHOULD THE ATTIC BE VENTILATED IN THE SUMMER?

  Yes. The attic absorbs a great deal of heat from the sun during the summer and becomes much hotter than the rest of the house. The better your attic is insulated, the less this heat build-up will affect the temperature of the house. Venting the attic replaces this heated attic air with air...
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  CONFUSION: POWER ATTIC VENTILATORS ARE NOT RECOMMENDED FOR WINTER USE. WHY?

  The main reason for not recommending power vents in the attic is that the attic is usually not well sealed, and the power vent, in sucking air out of the attic, creates a negative pressure in the attic. This negative pressure sucks warm air and humidity through the ceiling leaks into the att...
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  WHAT KIND OF ATTIC VENT IS BEST?

  Power vents and turbines are not a good idea in northern climate attics. (search keyword "attic" for the title " CONFUSION: POWER ATTIC VENTILATORS ARE NOT RECOMMENDED FOR WINTER USE. WHY?")That leaves gravity vents, vents that allow warm air in the attic to rise and escape out the top of t...
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  MYTH: THE MORE ATTIC VENTILATION IN WINTER THE BETTER.

  Not true for all parts of Canada!In certain regions (most of the data is from the National Research Council in the Saskatoon area) it appears that the only effective way to stop continuous accumulation of frost in the attic is to not ventilate at all during the worst of winter, but to seal the...
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  Dripping bathroom fan

  Paul from Ajax, Ontario writes:Two years ago I had a ceiling ventilator fan with lights installed in the bathroom. During a very cold spell, water was dripping from the reflector into the bath tub. It has a 4" aluminum flexible pipe connected from the discharge opening into the attic straigh...