Air leaks / Discussions

How do you stop air leaks in an old 1950's house?

...Air Barrier Spray for Sealing air leaks in Attics or Homes

Posted by Don Fraser Sept. 3, 2021, 3:22 p.m. Air and vapour barriers 1 Responses

Improving the efficiency of a home built in 1978 during renovations, do I need an HRV?

...air quality could/should be improved in older leaky homes as well. Or would the excessive air leaks make the HRV not effective? The only way to truly know if ...

Posted by joe cruikshank Feb. 8, 2020, 12:08 p.m. HRV and ERV 1 Responses

What is the best way to insulate a 1780 brick federal with stone foundation in New York?

...air and from water leaks. Any advice is apreciated. Insulating the outside of the foundation is a much better idea if you can do it. Insulating the interior of ...

Posted by carole roseman Jan. 5, 2020, 2:39 p.m. Foundation and basement improvements 1 Responses

Why is there mold on particle board outside vapor barrier on new addition?

...air conditioning the space. Here is another important page to read – Never Install Air-Conditioning in a Home with a Vapor Barrier You will read there about...

Posted by Christine ML June 7, 2020, 1:35 p.m. Wall assemblies - renovation 1 Responses

Is this a good way to insulate drafty windows?

...air it would prevent all air leaks and would still allow radiant heat. Storm windows can be custom made reasonably cheap and I think the bladders I am suggestin...

Posted by Robert Schmidt Feb. 6, 2021, 5:47 p.m. Windows and doors 2 Responses

Is There a Difference Between an Air Barrier and vapor barrier?

...airs. This page explains it clearly - The difference between air barriers and vapor barriers What is almost certainly happening is that warm, humid air is e...

Posted by Sherri Mccormick Aug. 17, 2018, 3:24 p.m. Roof assemblies - renovation 3 Responses

What is the best way to frame window openings when adding exterior insulation?

...air leaks and preventing water leaks. That means air seals around the exterior of windows and sloping window sills to make sure any water that may infiltrate ca...

Posted by Anwas Qwelten May 30, 2019, 8:16 p.m. Windows and doors 1 Responses

When I use my stove hood I get smoke odours in my home, is that due to negative pressure and how do I fix it?

...air through the furnace chimney, does this make sense and what should I do? Hi, first a couple of questions back to you, does your furnace have an outside air i...

Posted by Anonymous Dec. 11, 2017, 12:37 p.m. Healthy indoor air quality 1 Responses

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

How do know if I have a gas leak ? It's a ventless heater

...leaks will smell like rotten eggs, which comes from an additive put into gas simply to alert occupants to a leak. We have no option but to suggest you err on th...

Posted by Margherita Sewell Jan. 29, 2021, 4:59 a.m. Healthy indoor air quality 1 Responses

What is the best way to do Stucco/E.I.F.S exterior window wraps?

...air barrier installation? Installing a window properly to avoid air and water leaks is left up to the installer, there is no certification that we know of. Ther...

Posted by Pat Estes July 17, 2020, 11:50 a.m. Windows and doors 1 Responses

How do you seal windows from the exterior for water and air but not create a vapor seal?

...air leaks, as warm humid air leaking out in winter will deposit moisture in that very spot you are concerned about. Again, that’s why we are more confident in t...

Posted by Piyush Prince Nov. 7, 2018, 12:10 a.m. Windows and doors 1 Responses

We are looking to build a slab on grade, do we need radiant heat?

...air heated radiant floors or hydronic stands out as clearly cheaper to install or operate than the other, the advantages to an air heated floor is a more even d...

Posted by Scott Self Sept. 21, 2020, 10:34 p.m. Delivery: radiant, forced-air and decentralized 2 Responses

Should you allow air flow through a crawl space with a dirt floor?

...air leaks. You could then cover the spray foam with your existing plywood if its still in good shape, or to keep animals out entirely you could lattice or diamo...

Posted by Amber Murray Aug. 17, 2020, 10 p.m. Crawl spaces 3 Responses

What is the process to seal a house using Aero barrier spray?

...airtightness. So would you suggest using air barrier and tape first? Or go straight for the Aerobarrier and bypass all the hassle of membrane and tape? Or is...

Posted by Santiago Pacheco Feb. 13, 2020, 11:06 a.m. Air and vapour barriers 3 Responses

I have chronic illness from the air quality of my home, can you help determine if I need to replace the HVAC system?

...air quality- some return air/vents were completely blocked off by some not very intelligent homeowners - so air isn't moving properly in home. The electric is...

Posted by Niki Harrison Sept. 6, 2019, 4:32 p.m. HRV and ERV 4 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

How does a Passive House handle floods?

...airly lengthy drying out period where you would need a lot ventilation and dehumidification, way more than a house that leaks air could manage. The LEED ratin...

Posted by Wendy Tsao May 7, 2018, 12:46 p.m. Foundations and Basements 1 Responses