Found 38 results for the keyword ‘Overview’

  • 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...
  • OVERVIEW: Was Urea Formaldehyde (UFFI) foam insulation really a health hazard?

    (updated Sept 2012) Since the early 80's Urea-Formaldehyde Foam Insulation (UFFI) was banned in Canada and the US. The Canadian ban is still in place while it is now legal again to sell Urea-Formaldehyde based foam in the US and Europe. Whether it ever was or still is actually a health problem ...
  • Qu'est-ce que le radon?

    Il n’y a pas beaucoup d’information en français sur ce site, mai comme j’ai produit les vidéos sur le radon dans les deux langues, j’ai voulu les partager avec mes visiteurs qui sont plus confortable dans la langue de Molière.  Cliquez ici pour visionner les vidéos techniques pour le travail sur ...
  • Overview: Soil and the Spring Thaw

    You have all seen highway signs indicating the period of spring thaw and reduced truck loads throughout the northern US and all of Canada -- or walked across grass that is just beginning to thaw from the winter making deep footprints or tire marks that would never sink like that during a stro...
  • What glue will stick to what?

    Glue or Adhesive? What is the difference between a glue and an adhesive? Only vocabulary, although often Glue is the term used for DIYers and Adhesive for professionals -- or for some Glue is liquid and Adhesive is gunned from a tube with a caulking gun or applied with a notched trowel.  Whether...
  • OVERVIEW: Pyrite

      Pyrite and the damage it can cause to homes is a worrisome and expensive problem in certain areas of Quebec and is affecting property values. So just what is the problem? Pyrite is a mineral, also known as Iron Sulfide or more commonly as Fools Gold for it's looking similar to gold specs in r...
  • OVERVIEW: Frozen pipes: Tracing, thawing, preventing.

    As weather patterns change we are getting longer colder periods than traditionally in many areas of the country -- and with that, more and more complaints of water pipes freezing. Finding the frozen point can be difficult, thawing it can be problematic but if you have done those two, go one step...
  • OVERVIEW: Built-up Felt/Asphalt/Gravel v.s. Torch Sealed Elastomeric for a flat residential roof -- which one is best?

    "Have listened to you for years. I HAVE AN IMPORTANT QUESTION. A membrane roof has a longer guarantee 20 years, the material looks unimpressive, what is it's longevity beyond that? An asphalt roof has a 10 year guarantee but with good maintenance can last 3 times longer. My old roof is at least 4...
  • OVERVIEW: Keeping leaves out of rain gutters while letting the water through

      THE RAIN GUTTER’S PRIMARY JOB   We need rain gutters to collect the rain that falls on a roof and then take it far away from the foundation of the house.  That, together with landscaping that slopes away from the house, can solve 80% of all water leakage problems in basements, especially dur...
  • OVERVIEW: Roof Ice Dams & Icicles

    "Why do some houses have ice dams on the roof and others do not?" The overview is below -- for details go to Ice Dams. Ice dams develop when snow is on the roof, outdoor temperatures are only slightly below freezing, and there is spot or generalized heat loss from the house into the attic/roof...