Found 33 results for the keyword(s) ‘Attic, Ventilation’

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  Vent Stack Ice Capping or Evaporation : I GET SEWER ODOURS INSIDE THE HOUSE OCCASIONALLY IN THE WINTER.

    This is one of those problems that are not dealt with seriously enough by the building officials in really cold regions.  I have opened a blog space at the bottom of this article for you to add in your case history so we can demonstrate that this is a large and continuing problem.  Take a look...
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  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...
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  Ridge vents for snow country

  Venting a cathedral or low slopped roof is not easy. What you need to accomplish is to have continuous air movement from the soffits up between all the roof joists and somehow out the top. That is what ridge vents were invented to do. But it must be noted that a ridge vent without good open conti...
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  Ventilation hoods -- how to identify quality

    Ventilation Maximum makes some of the best outdoor vent hoods on the market – and makes them to work in cold and snow covered climates.  They often innovate and others copy.  For instance they invented the square cupola that replaced both the troublesome spinning turbines and the rooftop bu...
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  How to properly duct an exhaust fan through a roof

  This item falls under the heading of 'things that homeowners can teach their contractor'. Unfortunately too many renovators do not know that you can cause serious damage to your roof if you don't duct exhaust fans completely out of an attic. Some know, but just don't care. You cannot just leave ...
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  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 ...
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  Can I have too many roof vents?

  Todd in Kirkland, Quebec writes: "I just purchased a house that has five low profile roof vents, 3 gable vents and perfect soffit ventilation. I have insulated the attic and now have R32. My concern is whether the low profile roof vents and gable vents will be effective in the winter or should I ...
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  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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  CONFUSION: SHOULD VENT DUCTS GO THROUGH THE CEILING?

  Many government or crown corporation publications are afraid to ask too much of homeowners both in terms of work and comprehension. They prefer that homeowners do things half-way rather than not at all. When compromises seem to work some of the time, these publications (and many contractors) are ...
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  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 ...