for Cold Climate Housing and much more

Found 22 results for the keyword ‘Water Penetration’

  • How do you put flashing on a chimney that doesn't have any?

    Henry e-mailed about the fact that he discovered that when they re-shingled his roof a couple of years ago (before he bought it), there were no flashings at all put on around the chimney. He wanted to know how to do a good job, with the least damage to existing shingles as possible. Actually it ...
  • Paint peeling caused by a chimney flashing leak.

    John in Mississauga, Ontario has paint flaking off of his crown molding, and it seems to be related to snow on his roof. As we ran through the details, it turns out that the problem spot is right below a brick chimney that is poorly flashed where the roof meets it. He has put asphalt roof patch ...
  • What is a "drainage layer" for a window installation?

    Janice from Thornhill, Ontario writes: I'm having some wood/fiberglass windows installed and would like to know the product you recommend as the moisture barrier between the outside capping and inside insulation. Your website recommends installing such a barrier but no specific product is mentio...
  • Retaining Walls and Frost

    Hi Jon,  I have a driveway retaining wall that continues to be pushed by the ground, even though it is backed by gravel and drained to "nothing under the driveway" except crushed gravel. I realize proper drainage affects this somewhat, however would prefer not to cut open my driveway, sidewalk a...
  • New addition; roof leak when it snows.

    We caught a consumer in the hardware store and he was asking about the leaking roof on his new addition in the Beaches area of Toronto. Often in that area, a back porch is converted into living space with what we call a "compact roof" -- a roof/ceiling assembly that is about one foot thick with i...
  • Rainscreen Detailing and the Canadian Building Code

    I have reproduced below an article from the construction professional publication Solplan Review November 2008 because it was such a good article on this complicated subject. Click here for SolPlan Review information.  For an animation on what is a rainscreen, follow this link. Changes to the Bu...
  • The roof Drip Edge

    Barbara in Montreal had water damage in her bay window area as wind driven rain always found it's way in. Contractor repair bids ranged from $1,200 for a patch to $4,000 for a new roof. A study of the detail where the added-on bay window joined the very edge of the roof showed a flashing flaw tha...
  • How to find where leaks enter the wall.

    A caller from Ontario has a leak that keep's coming in through the wall despite the efforts of two contractors. It is often very difficult to find the place where water gets into the wall, when it is not something obvious like a crack in the caulking around a window. You need to make a careful i...
  • Skylights that don't leak.

    Skylights are basically windows that are not vertical, but usually closer to horizontal as they sit on top of the roof.  Most are fixed but some open a bit for summer ventilation.  There also exist roof windows which are basically skylights that open wide and are much more common in Europe where ...
  • Getting a wobbly toilet to sit flat on the floor

    If you have a wobbly toilet because there is something uneven on the floor the ideal solution is to find a way to level the floor. If it is wood, you could shave it down to flat. If the problem is tiles, you could remove the tiles under the toilet. But often in real life, we don't want to do eith...