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...
An animation on a CD that I produced with the Reader's Digest several years ago showed clearly why you should insulate the entire wall all the way down to the floor. No, you won't freeze anything outside, as the important footings are below the frost depth anyway and there is always some heat los...
Ron from Penticton, B.C. has a "stepped" foundation with a pony wall from the concrete to the ceiling above. This upper portion is insulated but not the concrete. He wants to insulate it all. He asks: "Does he have to remove the existing drywall, and does the vapour barrier need to extend over th...
As you can see in the first graphic, the soil helps to insulate a basement so there is more heat lost on the top of the basement than on the bottom. That is why the National Building Code requires a minimum level of insulation in a basement that reaches from the floor boards above your head, down...
Often promoted in southern Ontario, this theory has never, to my knowledge, been proven by any government agency or independent researcher in the insulation field. On the contrary, the unanimous opinion seems to be that it will cause, not prevent, condensation. Even efforts to drain condensation...
If there is no water leakage problem, but the basement walls are a bit damp, you must cover the walls before insulating. Waterproofing coatings are not really necessary for moisture proofing. Polyethylene plastic sheets or horizontal strips of building paper are sufficient. These should be hung o...
First ensure that this is not a leak in the basement wall. Click here for details on Waterproofing a basement wall.
Second ensure that the wall is well sealed, especially around electrical outlets and floor and wall joints. Click here for details on Air Sealing.
Finally, make sure there is no a...
The basic message to remember is that Radon is a dangerous cancer causing gas and if found to exist in high concentrations in your house the problem can be solved permenantly and at a reasonable cost. So we don't want to ignore the possibility, we need to test every house in Canada.
7% of homes...
Robert from Oakville, Ontario wrote: I live in a town house and only have two basement windows. Last year I cut out the wall on one of the windows and took out the 32" X 15" window and replaced it with a 32" X 24" window. It worked great. So this year I decided to enlarge the back window before f...
John wants to cerate a wine cellar in his basement. Here I have answered him throughly enough to perhaps help you detail your own cold room, whether it is under a concrete porch, or just built in the corner of the basement -- trying to deal with the questions of insulation, condensation, vapour ...
