Leakage / Discussions

Should I test my home for radon gas?

...leakage in my home. What do you think? Yes, it's always a good idea to check the radon levels in your home, particularly if you're about to improve the airtight...

Posted by Mary Anne S March 5, 2019, 7:46 p.m. Radon in Homes - Mitigation 4 Responses

Do I need a standard 6 mil poly vapor barrier with dense cellulose exterior wall?

...leakage is visible from the inside. My question is if I install a poly barrier over the cellulose on the inside under the drywall, will I then cause vapor to be...

Posted by jeff Chormann May 1, 2020, 9:18 a.m. Air and vapour barriers 2 Responses

How do I create a complete air barrier using a vapour retarding primer?

...leakage. What it can be used for is to stop moisture diffusion, which means preventing the moisture in the indoor air from being absorbed into the drywall and p...

Posted by Mihai Wilson May 3, 2018, 10:15 p.m. Wall assemblies - renovation 1 Responses

How do you attach exterior siding without affecting the air barrier on a passive house?

...leakage from additional fasteners used to attach insulation that you need to worry about. A nail or screw driven into wooden sheathing will pretty much fill its...

Posted by Scott Bowker July 16, 2018, 11:07 p.m. Wall assemblies - new construction 3 Responses

Is it possible to reconcile installing a wood stove in a airtight, super-insulated house?

...leakage. And yes, you are correct that the chimney section that passes through the roof will constitute one of the weaker points in your envelope, but it will n...

Posted by rick seward Dec. 23, 2018, 2:49 p.m. Wood stove and biomass heat 1 Responses

Do you have a diagram showing effect of winds on the pressure inside the house?

If the wind is from the south, where and how are positive pressures created in the home? Unfortunately we don’t have any diagrams to clearly depict the effects...

Posted by Bryan Bargen June 8, 2018, 5:20 p.m. Air and vapour barriers 1 Responses

What is the best way to insulate rim joists with EPS and batts?

...leakage while you still have access to them. If you were going to install batts in the cavities before rigid insulation boards, I would go with Rockwool since i...

Posted by Steve J July 18, 2019, 3:53 p.m. Basements improvements 1 Responses

How do you make an airtight house envelope?

...leakages and openings. I feel it is not true envelope and will not make it as efficient house as it can be. I'm looking for some guidance here as after hours of...

Posted by Valeriy Kraydman Dec. 1, 2020, 2:52 p.m. Air and vapour barriers 1 Responses

Can you put hemp insulation in an attic?

...leakage (if that’s what you have) and unless you have an air space between it and the insulation then it won’t work to reflect radiant heat, so I’d treat it as ...

Posted by Pamella Weatherly-Phillips Aug. 16, 2019, 11:49 a.m. Roof assemblies - renovation 1 Responses

Where to get good tape for taping air barriers?

You recommend using "brands of tape that are more suitable for extreme temperature changes. Siga,Delta Multi-Band and Air Stop are three examples of tapes with...

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

How to insulate an apartment you don't own?

...leakage through or around the windows and doors ? That sounds like an issue that a landlord should be taking care of, though I’m not sure what sort of tenant ri...

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

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

...leakage test, its not easy to estimate the rate of air exchange, and draw any definitive conclusions about how much radon is possibly being vented, and how much...

Posted by Steve Bull Jan. 4, 2020, 1:45 p.m. Radon in Homes - Mitigation 3 Responses

How do I get rid of carpenter ants?

...leakage. Install mosquito nets at any openings like dryer vents and stove hoods. Keep the humidity level in the home low, down below 40% Relative humidity i...

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

How do you seal up an old fireplace chimney?

...leakage. Insulating chimneys from the outside: Cover the entire stack of bricks with a layer of rigid insulation (rockwool or expanded polystyrene) and half...

Posted by Gord Nov. 2, 2017, 10:06 a.m. Wood stove and biomass heat 3 Responses

Should you insulate an A-frame cottage with cathedral ceiling from the exterior or interior?

...leakage though them, so step one is an air barrier membrane. You can see our Air Barrier DIY install video here , and with knowing your climate zone we can go o...

Posted by J Genereaux Oct. 26, 2020, 10:38 a.m. Roof assemblies - renovation 1 Responses

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

...leakage rather than stopping it, even the highest quality brand new home will still leak air, it’s a fact of life. If possible, it would be wise to have it insp...

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

Does paint work instead of a poly vapour barrier?

...leakage.

Posted by Bill Fletcher May 6, 2020, 1:46 p.m. 1 Responses