for Cold Climate Housing and much more

Found 41 results for the keyword ‘Air Sealing’

  • Making an X-Ray of your roof

    When there is morning frost or light snow on a roof, you can learn a lot about a heat losses from the house and how to eliminate ice dams and icicles.    What causes problems  Melting the bottom of a snow pack or melting off all snow at the crown of the roof sends water down under the snow to ...
  • Cold window frames and window condensation

    Shawn asked why he always has condensation on his windows. Check "condensation" in the database and you will see a lot about high humidity in the house and the need for one sort of ventilation or another. Here I wanted to look closely at another cause of condensation -- extra cold spots on the wi...
  • Insulating problems with historical buildings

    Hello Jon I am the chairman of a church committee with the task of raising money, and doing the admin. for the restoration at St Andrew United. My concern now is the proper procedure to fully insulate the Church. I am alright with the Attic as well as the crawl space, however I am pondering the...
  • Restoring Heritage Windows

    When Heritage Window Restoration becomes an energy efficient & cost effective alternative to new windows Most of us who have worked in older neighbourhoods have at one time or another thought about or dabbled in restoring old building components rather than ripping out and installing new...
  • Moisture problems with a new roof over an old roof.

    Dan from Winnipeg, Manitoba writes: "We have an older manufactured home with a basement. Years ago a new roof was put on top of the existing one. It is post & beam with trusses, sheeted in with shiplap and a metal roof put on. The problem is the original metal roof now seems to sweat in th...
  • Cold drafts through a new Patio Door that won't go away.

    Hugh from Vancouver wrote: Our patio door was single glazed and the cold came through it like there was no door there at all. We installed inside storms several years ago and the improvement was like night and day.A couple of years ago, we saw at a local mall show displays of their double g...
  • ATTICS

    Air leaks account for the greatest loss of heating dollars from Canadian homes. These are easily solved by sealing. The greatest conductive heat losses occur through the basement. Canadian basements typically lose more heat than ceilings because attics usually have a little insulation (eve...
  • Insulating an above grade block wall from the inside

    This article deals with a block wall above grade.  For a below grade block wall see Basement Perimeter Drainage and Leaking Foundations.   Bryan is faced with a totally un-insulated cinder block wall with 1x2 strapping and a plaster covering.  He is thinking about stripping it back to the block...
  • Sealing ductwork in an attic

    Often furnace heating and air conditioning duct work is run though an attic and then back down into the house. Personally I think that this is a really bad idea unless there is absolutely no alternative route. Why? First, most duct work is not sealed where it goes through the ceiling, so a lot...
  • Foam Gun Maintenance

    Foam guns are the air sealing tool of our epoch. We all use them. We all kill them. We all wish they would last longer and clog less. Of course there are as many different qualities of single component poly-urethane foam guns as there are different qualities of foams — at least we can be happy t...