Found 99 results for the keyword(s) ‘Roof’

  • Article

    How do you prevent condensation in an exhaust duct?

    I hate to put exhaust ducts through roofs, because there will always be some condensation that could drip back inside. I would much rather go through a side wall, or down and out the side of the basement. But if you must go up and through the roof... Don't allow your ducting to have any loops in...
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    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...
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    Improving a wood chimney to stop backdrafting

      Rick from New Brunswick is having problems with his wood stove backdrafting and he wants to know if it will help to box in the chimney on the outside of the house. Backdrafting or difficult starting with wood burning appliances is often a problem and there are several entries in this database ...
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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 ...
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    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...
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    Weather Restrictions: Elastomeric Liquid Waterproofing Coatings

    Connect to your favourite weather forecaster and look for the following conditions:   Category: Concrete     Product: Elastomeric Liquid Waterproofing Coatings Temperature Limitations: Use above +10 C (+50 F)  and below +32 C (+90 F) Rain Limitations: No rain for 24 hours Wind Limitations:  ...
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    Weather Restrictions: Elastomeric Sheet Membranes for Roofing

    Connect to your favourite weather forecaster and look for the following conditions:   Category: Roofing     Product: Elastomeric Sheet Membranes Temperature Limitations: Material and workmen are most flexible above +10 C (+50 F)  -- emergency repairs can be made down to -10 C (+14 F) Rain Lim...
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    Weather Restrictions: Asphalt & Gravel flat roofing

    Connect to your favourite weather forecaster and look for the following conditions:   Category: Roofing     Product: Asphalt & Gravel flat roofing Temperature Limitations: Roofing materials flow best above +10 C (+50 F) -- emergency repairs can be made down to -10 C (+14 F) Rain Limitatio...
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    Weather Restrictions: Asphalt Shingles

    Connect to your favourite weather forecaster and look for the following conditions:   Category: Roofing     Product: Asphalt Shingles Temperature Limitations: Use above +5 C (+40 F) for shingle installation.  Emergency repairs can be made down to -10 C (+14 F). Nailers must be adjusted in cold...
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    Weather Restrictions: Elastomeric Liquid Roof Coating

    Connect to your favourite weather forecaster and look for the following conditions:   Category: Roofing     Product: Elastomeric roof coating Temperature Limitations: Use above +5 C (+40 F) and below +26 C (+78 F) -- no freezing for 24 hours Rain Limitations: No rain for 24 hours Wind Limita...
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