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Found 162 results for the keyword ‘Insulation’

  • HOW CAN I STOP CONDENSATION ON THE FLOOR HEADER BEHIND INSULATION?

    When fiberglass is pushed up into the space between the floor joists around the perimeter of the basement, condensation often builds up on the wood behind the fiberglass. This can be stopped by the addition of an air barrier -- as simple as Kraft paper or as complex as caulked polystyrene. In p...
  • DOES STYROFOAM ON THE OUTSIDE OF THE HOUSE FORM A VAPOUR BARRIER?

    Styrofoam (which is actually a Dow Chemical brand name of extruded polystyrene) is a fairly good vapour barrier. It will not cause problems in the Canadian climate if you put on at least 1-1/2 inch thick and preferably in 2 ft. x 8 ft sheets applied horizontally. This actually permits some ...
  • INSULATION

    We can't stop heat from escaping from the house by conduction, but we can effectively slow it down with thermal insulation. In practical terms, just about the only insulating material we work with is dead air. All the fibers, foams, beads, and batts are just different ways to package dead a...
  • ARE THERE CANCER-CAUSING ASBESTOS FIBRES IN INSULATING MATERIALS?

    No insulating materials on the market in Canada today have asbestos fibers in them. Most of the scare a few years back about asbestos came from acoustic tiles, asbestos linings in ventilation ducts, and asbestos insulators in heating devices such as hair dryers. It was also discovered that ...
  • WHAT FIRE PROTECTION IS REQUIRED FOR INSULATION?

    Although many insulating materials are fire resistant, most of the plastic-type foam products, be they injected as foam or installed in rigid sheets are flammable and must be covered with fire protective materials when they are inside the house exposed to a living space. 12 mm (1/2 in.) drywall ...
  • CAN I USE DIFFERENT INSULATING MATERIALS TOGETHER?

    Yes. R values simply add together to give a total R for the wall or ceiling. Generally speaking, a denser insulation should not be put on the cold side of a less denser one; it's a question of letting the moisture escape as easily as possible and not creating double vapour barriers. Hence, loo...
  • CONFLICT: DOES FULL HEIGHT INSULATION OF A BASEMENT WALL CAUSE FROST HEAVING?

    Isolating parts of the house located underground from the heat of the house can cause freezing and shifting under certain conditions. Wing walls, carport posts, and the like are common frost heaving or ad-freezing candidates because these structural parts of the house are far away from the heat ...
  • WHAT CAN I DO ABOUT PIPES IN UNHEATED CRAWL SPACES THAT FREEZE DESPITE INSULATION?

    Insulating pipes that run through cold areas is necessary to keep them from freezing; even then you have to run the water occasionally or add some heat. You could leave the tap running a little during the very cold spells; that's how Grandpa kept them from freezing. You can also get thermostat ...
  • WHICH INSULATION SHOULD I USE?

    There are so many different insulating materials that it is quite confusing. I have tried to pull together information on the most common types from the manufacturers, the critics, the contractors and the researchers. Usually this information seemed to me to be either too simplified or too ...
  • BATT OR BLANKET: GLASS FIBER / MINERAL WOOL

    Common Names: Fiberglass, Rock WoolColour: Pink, yellow, beige, white or greyThermal Resistance: RSI - .022/mm R-3.2/in. FairCost: lowCapacity to dry out if wet: Good to excellentFire Resistance: Good to excellentFungus / Vermin Resistance: Good to excellentLimitations: -- Skin irrita...