Directly to / Discussions

Can a solar thermal air system be coupled to an HRV for heating incoming fresh air?

...to solar collection potential). Am I crazy? Brian We haven't seen any great results when trying to marry solar air heaters to an HRV . To achieve a similar re...

Posted by Brian Billings March 21, 2019, 2:53 p.m. Solar thermal collectors 1 Responses

What is the best way to do exterior foundation styrofoam finishing?

...directly to it, or you can install a cement board over top, though you can come to the issue of how to attach the cement board. We installed cement board over r...

Posted by Castor River Farm Jan. 31, 2021, 12:56 p.m. New foundations and slab-on-grade 1 Responses

Can you Insulate a cinder block basement foundation with Rockwool?

...top of the wall (100%underground ) to bottom of the wall (100% above ground) when it gets to walkout side . I am in climate zone 3A. I already have stud wal...

Posted by Victor B June 19, 2019, 11:41 p.m. Basements improvements 5 Responses

Will spray foam on basement walls prevent condensation?

...to the laws of physics. About 20% of mixed concrete is water, and since the ground is also wet, that moisture will migrate to where it is dry, which is to the...

Posted by Michael Scott April 12, 2021, 9:17 p.m. Basements improvements 3 Responses

What is the best way to insulate a Multi-material wall?

...together by the mortar. So they are more at risk of cracking when exposed to the seasonal freeze / thaw cycle. It's tough to really visualize what you have wi...

Posted by Steve J Sept. 29, 2020, 10:15 a.m. Wall assemblies - renovation 7 Responses

Which house wrap is best?

...directly to the surface of sheathing rather than having to attach them with staples and nails, which lead to untold thousands of holes in your air barrier. This...

Posted by Kathy Moller Aug. 2, 2020, 11:50 a.m. Air and vapour barriers 1 Responses

What causes moisture on a ceiling in winter?

...tor or energy recovery ventilator) Do you use exhaust fans? (bathroom fan and stove hood) Does your stove hood vent directly outside or does it filter air a...

Posted by Cheri Banet Jan. 23, 2020, 10:22 p.m. Wall assemblies - renovation 1 Responses

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

...to the insulation to keep the temperature more constant and maybe some vapor barrier to maintain some humidity. All of the studs are currently exposed on the ...

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

Where to get good tape for taping air barriers?

...to find. So you are best to source them online and they get shipped directly to you. And, I woul say it really is worth it. The solvents in lower-quality buildi...

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

How do you build a mold-free basement in a new construction house?

...to fix it now before you get too deep into this. Hi there! The house is located in the Silver Lake area of Los Angeles. Per code the wood does touch the top ...

Posted by Charmaine Herzig Feb. 10, 2020, 7:32 p.m. Basements improvements 3 Responses

How do insulate the outside of a log home?

...to more holes. I would suggest you apply an air barrier / weather barrier membrane directly to the logs, then the insulation directly to the membrane with no ...

Posted by Michael Hickey Aug. 2, 2018, 6:03 p.m. Wall assemblies - renovation 1 Responses

How do I get rid of moisture with cement floor crawl space that has a vapour barrier?

...to make sure your dehumidifier is working properly and is sized properly for the volume of air you are trying to condition. Here is our page on How to Insulat...

Posted by Cindy Chatham 04 chatham Aug. 25, 2020, 4:47 p.m. Crawl spaces 1 Responses

Can you help me decide between a foundation, slab on grade and crawlspace?

...to be poured and then build a house on top of that with a crawl space underneath to get around the problem my parents have of needing to drill into it to do rep...

Posted by David Davenport Nov. 26, 2018, 12:57 a.m. New foundations and slab-on-grade 1 Responses

Wood Burning Stove - Do We Need A Cold Air Vent to Safely Operate?

...to install a wood burning stove to offset heating costs and for heating back up. However, our home is not vented. All we have are the customary cook top, dryer ...

Posted by Regina Vigil Feb. 15, 2021, 3:11 p.m. Wood stove and biomass heat 2 Responses

Does marmoleum comes in sheets like linoleum?

...to linoleum that is intended to be glued to a subfloor. If the floor already has linoleum, are you able to remove it easily? It would be best to glue it direc...

Posted by Deanna Willer Oct. 1, 2020, 7:43 p.m. Flooring and stairs 1 Responses

Basement reno - How do I effectively insulate my basement?

...tore, I don't want to grow them in my walls. So start here with the building science basics, we've made it simple (and even fun we think) to learn - How to pr...

Posted by Steve J Feb. 13, 2019, 10:25 p.m. Foundation and basement improvements 2 Responses

How can I get rid of moisture between the vapor barrier and the insulation in a basement?

...to dissipate? Is this going to be a reoccurring issue? Steps I took to remedy the problem: I made cuts in the vapour barrier and placed a fan to dry out the m...

Posted by David Mitchell Aug. 14, 2018, 6:32 p.m. Basements improvements 23 Responses

Why is there condensation above ground on an interior basement wall?

...to cool and the humidity to condense. 2lb. closed cell Spray foam is an excellent alternative insulation as it will bond directly to the concrete during the sit...

Posted by Barb Daluisio Jan. 12, 2021, 1:26 p.m. Basements improvements 1 Responses