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Found 203 results for the keyword(s) ‘attic insulation’

• Article

  BASEMENT: INTERIOR OR EXTERIOR INSULATION?

  It is always better to insulate on the outside of basements and crawl spaces, but usually more expensive and more trouble. Brick or field stone foundations must not be insulated on the inside for much more than one foot below ground level. The poor quality of the mortar in these foundations dete...
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  Vapour barriers in basements

  One of our viewers is about to insulate his basement and he has been told that he should not run the vapour barrier all the way to the floor. Fact or fiction? You should run the vapour barrier wherever there is insulation to keep the moisture on the warm side of the wall. And in a basement insta...
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  Good and bad techniques in insulating basement walls.

  The national building code requires a minimum level of insulation in a basement that reaches about two feet below the outside grade level. The objective is to make this storage space a heatable space. Hence some materials and techniques have developed that satisfy this minimum code requirement th...
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  Insulating a foundation with embedded floor joists

    Certain parts of Canada, particularly in the Winnipeg region, have a traditional construction technique that presents serious challenges when you want to insulate a basement -- the ends of the joists are actually embedded in the concrete foundation wall.  Chris, from Winnipeg, asked for some f...
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  Weather Restrictions: Adhesive for foam insulation

  Connect to your favourite weather forecaster and look for the following conditions:   Category: Adhesives     Product: Adhesive for foam insulation Temperature Limitations: Check the package: one manufacturer says above -30 C (-22 F) while another says above +15 C (+60 F). Rain Limitations: A...
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  BASEMENT: BATTS OR RIDIG FOAM BOARDS?

  Fiberglass batts, mineral wool batts and all kinds of rigid foam boards are commonly used to insulate basements both inside and outside. One of the critical rules when insulating basements on the inside is that there must be no air space between the insulation and the wall. (see no air space beh...
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  Air Spaces in Walls -- Myth and Science -- Overview

    Walls often have air spaces hidden somewhere between the siding on the outside and the drywall on the inside.  Some are accidental -- some on purpose, even code required -- some served a purpose at one time in history but because of the evolution of construction, are no longer useful -- some a...
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  Basement Perimeter Drainage and Leaking Foundations

  This article deals with walls below grade, foundation walls.  For insulating above grade cinder block walls see How do you Insulate a Brick and Block construction as well as Insulating an Above Grade Block Wall from the Inside. The best way to prevent water from leaking into the basement is not ...
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  How do you cover up an old chandelier electrical box?

  One viewer wanted to get rid of her centre room chandelier in favour of floor standing lamps. So just how do you cover that hole in the ceiling? First remove all the electrical connections and cap off each wire with a cap or wire connector. If two or three wires are already tied together, keep ...
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  Working with Contact Cement

  Contact cement is a uniquely useful adhesive. It will adhere to most all surfaces and hence is often the in-between for sticking two different materials together. It comes in two basic varieties, solvent based and water based, the later often being called "green" or "solvent free". Although thes...