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

• Article

  CAN I INSULATE INSIDE WITHOUT REMOVING THE PLASTER?

  If you want to insulate inside the house but don't want to remove the old wall, here's what you should do:-- Make a couple of exploratory holes in the wall (don't worry about being neat, you're going to cover the wall anyway) to find out how much insulation is in the wall and if there is a good...
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  HOW SHOULD I INSULATE OPEN WALLS?

  Insulating open walls with glass fiber or mineral wool batts is the most economical. Adding additional strapping to open stud walls (horizontally is best) will give you more wall space that can be economically insulated. Double strapping will provide room for a good air/vapour barrier (poly...
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  CAN IT BE THAT THE OLD WALLS ARE SABOTAGING MY INSULATION EFFORTS?

  Yes. Have you heard the true story about the conscientious homeowner from Regina who lived in a pre-Second World War bungalow? One summer he insulated his attic, with proper ventilation and all and the following winter his heating bills went up, not down. The next summer he insulated the w...
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  CONFLICT: USE OR DON'T USE BLOWN-IN LOOSE FILL INSULATION INSIDE HOLLOW WALLS.

  Canada Mortgage and Housing Corporation (CMHC) does not recommend the use of any blown-in insulating material inside "enclosed vertical cavities" (that's a fancy way of saying "walls that are not open"). They feel that techniques of installation and verification during installation are not good ...
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  INSULATING WALLS

  A respectable rewinterizing job need not include the addition of insulation into the walls. They are the most difficult (and expensive) parts of the house to re-insulate, and usually have the poorest financial payback of all re-winterizing tasks because:-- Walls are finished on both sides, and i...
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  HOW DO I INSULATE SLABS ON GRADE?

  Slabs on grade are insulated from the outside, using the same techniques as exterior basement insulation and not less than 600mm (2 ft) below grade level. Extra horizontal insulation over shallow footings have permitted what we call "frost protected shallow footings". The insulation makes the f...
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  HOW DO I INSULATE CRAWL SPACES?

  First, decide whether you want your crawl space heated, warm, or cold. (search keyword "crawl space" for the title "BASEMENT: HEATED SPACE, WARMED SPACE, OR COLD SPACE?")Insulating under the floor is usually done by first stapling a plastic vapour barrier to the underside of the floor. This ...
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  HOW DO I INSULATE JOIST SPACES?

  The joist space is commonly insulated with fiberglass batts jammed up into the cavity. The header should have been well sealed with caulking first. (search keyword "sealing" for the title " WHERE SHOULD I SEAL AND HOW?") The batts should be covered with simple paper (an acceptable vapour barrie...
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  BASEMENT: WHAT R VALUE SHOULD I HAVE?

  For detailed R value recommendations, search keyword "R-Value" for the title "WHAT ARE THE RECOMMENDED INSULATION LEVELS?".Note that in the previous answer, some of the common options for basement insulation does not even meet the minimum recommendation of RSI - 2.1 (R-12). Manufactures of all...
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  BASEMENT: FULL HEIGHT OR PARTIAL HEIGHT INSULATION?

  This is the most controversial question about basement insulation. Everyone, however, agrees on two points:-- Outside the wall, go as far down as you can afford to. -- Concrete block walls have large continuous air cavities that run the height of the wall. (The code now requires that this air ...