Air leaks / Discussions

How do I get rid of carpenter ants?

...leaks) or it could be anywhere in your walls or roof where there is either air leakage causing condensation, or a leak letting in rain water. If you regularly...

Posted by Shawn B Nov. 14, 2017, 10:27 a.m. Pest control 1 Responses

I want to insulate the outside of my house, which type of insulation do you think is best?

...air leaks. We would then put new cedar siding on the outside. Will this work, and what should we modify to make it work? Thanks Hi Dave, The biggest mod...

Posted by J. Ferguson Nov. 15, 2017, 10:34 a.m. Wall assemblies - renovation 12 Responses

Why is there frost on the underside of my roof overhang?

...air leaks transport a lot of H20.

Posted by George Paul March 23, 2020, 12:10 p.m. Roof assemblies - renovation 3 Responses

Should I vent the space between a block wall and vapor barrier?

...air space of an inch or so won’t do much to alleviate the problem, since that air will soon be fully saturated (as in reach 100% Relative Humidity) and the wall...

Posted by Nick Santore Oct. 10, 2020, 2:03 a.m. Basements improvements 1 Responses

Where to get good tape for taping air barriers?

...Air Stop are three examples of tapes with much better adhesion." I'm in Montreal and i was trying to find one of these brands of tape in local hardware stores b...

Posted by Frank Suerich-Gulick Sept. 12, 2020, 7:25 p.m. Air and vapour barriers 2 Responses

Combo structural sheathing, WRB and thin insulation panel in Ontario?

...air barrier but before you install siding, you can use it as a tool for finding any remaining leaks. If you end up needing an HRV, you may not be too excited ...

Posted by Steve Bull Jan. 14, 2020, 6:06 p.m. Walls and Roofs 3 Responses

How do you fix radon and water infiltration in a dry stone foundation?

...air, but it really does solve more of the problems – you can do proper drainage and also insulate it properly without risk. 3 Those are pretty high radon read...

Posted by john flannery July 14, 2020, 4:24 p.m. Foundation and basement improvements 5 Responses

What type of insulation is best for coach house?

...airtight. A large portion of heat loss in a home is due to pour air sealing, and when air leaks out through the walls and roof of a home it can carry a lot of m...

Posted by morwarid safa Sept. 24, 2021, 2:23 p.m. Insulation and soundproofing 1 Responses

What is the best way to make a row house in Montreal Quebec more energy efficient?

...air is leaking in and out and see what reasonable measures I could take to insulate or prevent air leaks. We paid around $200 for an audit and discovered that a...

Posted by Elizabeth Brown Feb. 26, 2019, 9:09 p.m. Wall assemblies - renovation 3 Responses

How to insulate an apartment you don't own?

...air leaks , you could do a lot to reduce that with some caulking or tape if you can identify clear locations where leaks exist. There is also the option of appl...

Posted by Teresa Cunningham Oct. 21, 2019, 3 p.m. Wall assemblies - renovation 1 Responses

My door lock keeps freezing to the point I can’t open it, any idea why this would happen?

...air rising (the stack effect), air will leak in on the lower levels and leak out on the upper levels, and as warm humid air leaks out, it condenses and freeze...

Posted by AJ Nov. 13, 2016, 1:15 p.m. Walls and Roofs 2 Responses

What is the best way to seal around windows?

I took off the trim around a sliding door during the summer in search of a pesky cricket, I found the cricket but I also found big gaps between window and fram...

Posted by Bryan Squirrell Oct. 8, 2019, 8:53 p.m. Windows and doors 1 Responses

Does a low radon air reading necessarily = low radon in well water?

...air or water of your home, addressing that would be my number one air quality priority. And further to your woodstove comment, one that pulls air from the house...

Posted by Steve Bull Jan. 4, 2020, 1:45 p.m. Radon in Homes - Mitigation 5 Responses

Can you create a passive wine cellar by insulating and air sealing a crawl space?

...air-sealed no matter how we try, air pressure will find some leaks, so the air will be changed if at a low rate. It would be wise to monitor the humidity in any...

Posted by JC Wong April 2, 2021, 6:50 p.m. Crawl spaces 5 Responses

What is the best option for building our next resilient home?

...air quality and responsible material choices etc. I would point you to our guide pages to search by category or keyword - Green building guide for high perfor...

Posted by John Bae Aug. 27, 2019, 3:55 p.m. Efficient home design 1 Responses