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Found 116 results for the keyword ‘Moisture’

  • Insulating a Cathedral Ceiling - OVERVIEW

    Hello Jon, I have a cathedral ceiling with a shingled roof. If I insulate the roof air tight, will the shingles lift and curl as they do on poorly ventilated roofs? The other thought is leaving an 1 1/2 inch space between the roof deck and the insulation  and installing a ridge vent, which give...
  • I painted my bathroom and now I am getting mould!

    Anne painted her bathroom with latex paint and then started to get mould and mildew where she never had any before. She is wondering what she did wrong? Mould is caused by the prolonged presence of condensation. Condensation is caused by a combination of high humidity and low temperatures. If yo...
  • Floor Tiles that drain

    I went to the store and bought a box of really nifty 100 percent recycled vinyl interlocking floor tiles, the kind that stand up above a concrete floor and let the water drain through and under. I needed them to keep boxes off of a basement floor where there was occasional moisture -- and I ended...
  • Installing a bathroom fan through the roof.

    Last year we visited a home to replace a "bathroom fan" but when we arrived, we found that it was vented directly into the attic. If you've been watching my show, you know that should never be! That was in the middle of the winter with ice on a steep roof, so we promised to go back and do it righ...
  • Closing down an unused chimney.

    One of our viewers has removed a stove and has an unused chimney going up the outside of the house. The top has been capped off, what to do with the bottom? It is important to close off unused chimneys, whether they are metal or masonry, because if you don't carefully cap off the top, the rain ...
  • What is Air Sealing all about?

    Sealing air drafts, both inside warm air escaping out and outside cold air sneaking in, is one of the most important things you can do to your house. It will both save you heating dollars and protect the structure of your house. This animation gives you a quick and visual overview of the task at ...
  • Paint peeling caused by a chimney flashing leak.

    John in Mississauga, Ontario has paint flaking off of his crown molding, and it seems to be related to snow on his roof. As we ran through the details, it turns out that the problem spot is right below a brick chimney that is poorly flashed where the roof meets it. He has put asphalt roof patch ...
  • 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 ...
  • Just how do you install windows properly?

    The reality is that there is not just one good way to install windows, but there are certain principles that must be taken care of with any installation to prevent cold air or water leakage later. Basically a window installation must shed most of the water with the siding, what does get through ...
  • 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...