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 ...
Rick from New Brunswick is having problems with his wood stove backdrafting and he wants to know if it will help to box in the chimney on the outside of the house. Backdrafting or difficult starting with wood burning appliances is often a problem and there are several entries in this database ...
For an overview on changing the roof or roof covering on a house and special information on Mansard roof shingles -- follow this link.
The starter shingle
If you put the first row of shingles on the edge of the roof just like all the rest, you will see the bare roof deck through the crac...
Connect to your favourite weather forecaster and look for the following conditions:
Category: Roofing Product: Asphalt Shingles
Temperature Limitations: Use above +5 C (+40 F) for shingle installation. Emergency repairs can be made down to -10 C (+14 F). Nailers must be adjusted in col...
As weather patterns change we are getting longer colder periods than traditionally in many areas of the country -- and with that, more and more complaints of water pipes freezing. Finding the frozen point can be difficult, thawing it can be problematic but if you have done those two, go one step ...
Do I need to place a vapour barrier against the brick wall, then insulation and then another vapour barrier over that? The wall does not leak and is fully underground. Barbara
THE VAPOUR BARRIER
The vapour barrier is more properly called a vapour retarder. It is designed to stop moisture in t...
Jacqueline from Red Deer Alberta is trying to figure out how to close up her chimney between periods of using the fireplace, given that her damper is burned out and very difficult to replace.
Closing off the top of the chimney
There are dampers that go on the top of the chimney and are pulled t...
EN FRANÇAIS
There is an elephant in the room – QUEBEC GETS REALLY COLD. The ecological dream of an all-electric urban society is suicidal in a cold climate like Quebec.
Extended power system black-outs are a reality of life in Quebec. Every few years electrical system black-outs have forced...
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. In 2023, Solplan Review is no longer in publication. For an animation on what is a rainscreen, follow this link.
But...
