Found 99 results for the keyword ‘Roof’

  • 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 ...
  • The wind is opening my roof hatch.

    Karl lives in a new house next to an undeveloped area. Strong winds come across from the open North West. "The access panel in the ceiling of our walk-in closet lifts and dislodges on top of the 18 inch "passage way" that exits to the roof. What causes this and how to stop it?"An access hatch ...
  • How do you paint a metal roof.

    Marie-Paule from Labelle, Quebec gave me the greatest compliment. She sent in a question in French and said that she watches the program all the time but doesn't understand English. I guess our models and graphics are doing some good.She was asking me how to paint her metal roof because she was...
  • Melting snow on the roof.

    George from Fort Frances, Ontario has a problem of snow melting off of his new addition. He is trying to pin down the problem because this causes ice formation on the edge of the roof.He had a ridge vent installed, but never checked to see if his soffit vents worked. A ridge vent, without goo...
  • 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 ...
  • 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...
  • Replacing a missing roof shingle

    One of our callers had one missing roof shingle. How to replace it?   Working on a warm day, lift the shingle above to expose the nails. Remove the nail, or cut out around the nail to release the damaged shingle. Pound the nail in flush or pull it out. Getting rid of this nail is probably the h...
  • Eleminating ice dams

    Nancy in Manitoba has bad ice dams on her roof. She sent me a great sketch of her whole attic arrangement, complete with knee walls and cathedral ceilings, not to mention a dormer -- and there is no ventilation in the roof in front of the dormer.The guidelines for eliminating ice dams are sim...
  • Overview: Attic Moisture

    Ventilation in a Canadian attic does very little to remove moisture when the temperature in the attic is below freezing. During that time, the moisture is in the form of Ice and the passing air simply won't remove it -- whether you have passive vents or power vents. When things warm up, if the ...
  • Chimney inspection check list.

    From top to bottom:1- Check the spark arrestor or rain cover, whichever you have on your chimney. Its most important function may in fact be to keep animals and birds out of your chimney.2- The liner needs to be in good shape. Check the part that is visible from above, and occasionally have a c...