Found 99 results for the keyword ‘Roof’

  • Inspecting and Maintaining Asphalt & Gravel Flat Top Roofs

    Most flat top roofs are made up of layers of asphalt, roofing paper, asphalt, roofing paper, asphalt, roofing paper, and then gravel. Although most leaks are caused by damaged or poor flashings, the built up membrane itself can get old and worn.The gravel serves to keep the UV rays of the sun aw...
  • Roofing paper and Flashings

    Roofing paper is not required by the building codes, although some do now require a plastic or rubber membrane on the lower overhang that extends up the roof to a point 18 inches inside the exterior wall. Although felt paper is not required on the rest of the roof, most shingle manufacturers do r...
  • 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 ...
  • How to remove moss from an asphalt and gravel roof.

    2009 update: Safer's De-Moss, specifically made for removing moss, is still available but considered a controlled herbicide in many jurisdictions. If you cannot find it in stores, check GOOGLE.You can't mechanically remove this moss without bothering all the gravel, perhaps even the roof. You n...
  • Is standing water on a flat top roof a problem?

    Yes it is a problem Lorne, except for roofs in some desert areas where evaporating water is part of the air conditioning design, and the roof is specially designed like a swimming pool. For the rest of us, standing water will lead to a premature ageing of the roofing material, whatever material i...
  • The Renaissance of Copper

    We spent some time talking with Brian Rand of Custom Cupola and Steeple in Oakville, Ontario about the re-emergence of copper as a building material in residential finish work and decorative pieces. They can build about anything, inside or outside the house, in copper.Like the copper "onion dome...
  • 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 col...
  • WHAT ARE THE RULES FOR APPLYING INSULATION IN THE ATTIC?

    -- Take care of air barriers, ventilation and vapour barriers before insulating. Check out these three topics in the Search Tab above.-- Don't block the eave vents with insulation.-- Do cover the top of the outside wall.-- Don't put plastic foam on top of porous insulations (batts, loose fill) a...
  • 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...
  • 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...