Found 99 results for the keyword ‘Roof’

  • Cutting oval holes in a sloped roof for round pipes

      When plumbing pipes and chimneys have to go through sloped roofs, they are always cut fairly large just to make sure that the pipe will pass through. The problem is that a 3 inch round pipe needs an oval hole in a sloped roof. There is an easy trick for drawing out the hole.   Hold the p...
  • 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...
  • What is the best material to use to re-roof my house?

    Our camera caught Burns at the hardware store -- he is going to redo his roof and wanted to know what is the best material to use to re-roof. That that's a wide open question. And of course, there are a lot of "good" materials. Start by deciding on the "look" you want, then check that against y...
  • When is the best time to walk on a roof to not damage shingles?

    Johanne from Laval, Quebec writes: "Could it be damaging to my new shingle roof to climb up on it in the winter time to install a satellite antenna? If so, what would be the ideal temperature to do work without any damage?"Aside from slipping on ice, winter is not a bad time to walk on that roo...
  • Shields for Rain Gutters

    One of the most successful, but most expensive ways to keep leaves out of rain gutters is to place a solid shield over the top.  Using the principle of surface tension of water, the water flows over the shield and wraps around its outside curve.  That curve extends out over the rain gutter itsel...
  • The story of a new roofing nailer.

    The construction industry uses a lot of power nailers today. Most of these are pneumatic simply because driving a nail in with a single blow requires a tremendous amount of power. A hammer delivers much less power, which means hitting the nail many times to get the same job done. But power...
  • Can I insulate a roof from the outside?

    20 years ago Bob built a geodesic dome in Saskatchewan. As you can see, it was a community effort. After all this time he has finally gotten tired of the snow melting off the roof creating all kinds of ice cycles, so he is asking about the feasibility of putting some Styrofoam right over th...
  • How to get moss off roof shingles, and keep it off.

    Jim had an interesting problem with his mother-in-law's house. The 25 year old roof had no moss, ever. Then he re-shingled and the north and east sides have been constantly covered in moss. Why and what to do about it? Zinc impregnated shingles For a bit more money you can buy shingles that hav...
  • Ridge vents for snow country

    Venting a cathedral or low slopped roof is not easy. What you need to accomplish is to have continuous air movement from the soffits up between all the roof joists and somehow out the top. That is what ridge vents were invented to do. But it must be noted that a ridge vent without good open conti...