Condensation / Discussions

How do you insulate a cottage crawlspace? It's in the Haliburton Highlands

...condensation forming. Is your dehumidifier a fairly modern one that shows a reading of the current levels of relative humidity? Its’ best to keep them below 5...

Posted by Beata Domanska May 25, 2020, 11:38 a.m. Crawl spaces 1 Responses

Should I remove the plastic sheet in my cellar?

...condensation forming and therefore no mould. We are indeed planning to get one, or maybe two dehumidifiers, as the cellar is being split into separate areas.

Posted by Justin D'Arcy Dec. 4, 2020, 12:13 p.m. Basements improvements 2 Responses

How do you insulate concrete basement walls and avoid mould?

...condensation to form on the wood. You can learn more here about how that happens and how to avoid it – How to build and renovate basements properly so they do...

Posted by William Hunter Feb. 22, 2021, 11:40 a.m. Basements improvements 2 Responses

What's the best way to seal a crawl space and insulate?

...condensation as it comes in contact with what is often cooler surfaces down there. And to the point of putting foam insulation on the blocks, that’s not a bad...

Posted by Steven Johnston Feb. 23, 2021, 12:35 p.m. Crawl spaces 1 Responses

Should our HRV keep our humidity lower than 40%, even in the cold months?

...condensation on windows, is that there can be a number of causes. 40% RH isn’t unusual, and at -30C its not a surprise you’re seeing condensation form. Your HRV...

Posted by Kim Clement Feb. 8, 2021, 5:43 p.m. Ventilation 5 Responses

What is the best way to insulate a crawlspace to keep humidity down and stop odors?

...condensation on those cold surfaces, I’d consider closing it up and running a dehumidifier. What climate zone are you in Dave? That may help us help you more. T...

Posted by Dave Bell Oct. 24, 2019, 3:57 p.m. Crawl spaces 3 Responses

Should I put foam boards right against my basement wall or leave an air gap?

...condensation that might form between the foamboard and block wall? Won't it eventually just drip down and cause issues with flooring?

Posted by Elijah Hargett Jan. 9, 2021, 5:31 p.m. Foundation and basement improvements 4 Responses

Should I install basement drain tile vents?

...condensation issues? A floor drain will in no way prevent mold due to condensation inside walls, the only way to do that would be strip the walls and rebuild th...

Posted by gary taube Dec. 11, 2019, 10:14 p.m. Foundation and basement improvements 3 Responses

Halo Exterra rigid exterior insulation - has anyone work with it?

...condensation forming. This is a 'best practice' tip, but frankly most of the building industry in colder climates does it anyway so you're in good company it ...

Posted by George Shannon Jan. 21, 2020, 3:39 p.m. Insulation and soundproofing 6 Responses

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

...condensation will form. I really don't want to add insulation on to the outside of the studs due to all windows would have to be reset. I know doing this would ...

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

What is the best way to insulate a Metal structure from the Inside?

...condensation as well, when humid air meets these cold spots in a wall. Here is our page about thermal bridging, check this out first – Thermal bridges and the...

Posted by Jacky Surber May 2, 2021, 4:09 a.m. Insulation and soundproofing 2 Responses

Which type of hot water pipe insulation is best?

...condensation on the cold walls of the pipe, which protects nearby building materials from the risk of any water damage.

Posted by Cooper Dec. 11, 2017, 2:36 p.m. Plumbing and water heaters 1 Responses

What is the best way to do a cottage reno adding an insulation blanket?

...condensation. Here is our building science video that explains it best – Building science made easy – video So my two cents would be – yes on the WRB weathe...

Posted by Barton Rowe Feb. 28, 2021, 1:27 p.m. Wall assemblies - renovation 2 Responses

What windows should you use when trying to build a Passive House?

...condensation will form which will help safeguard the interior wood. here are two other pages that may be of value: Understanding window performance How ...

Posted by Raoul Lions Jan. 25, 2019, 2:18 p.m. Windows and doors 1 Responses

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

...condensation. I'm wondering if placing insulation on top of the led pot lights would help alleviate the problem rather than putting in ventilation strips as the...

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

How do you install a ground loop for an HRV?

...condensation forming as warm, humid air come in contact with those tubes. That, combined with any organic matter that may find its way in (which can be as littl...

Posted by Lee Watt July 10, 2018, 12:43 a.m. HRV and ERV 2 Responses

My window drips when I run my air conditioning. What is the fix?

...condensation on windows on this inside is a very different matter. Air conditioning systems don’t just cool the air in a home, they lower relative humidity leve...

Posted by Sean Sullivan Aug. 27, 2020, 10:36 a.m. Heat pumps, geothermal and AC 5 Responses

How do you get rid of mold in a bathroom?

...condensation at the best of times, that is made even worse by being in an unventilated bathroom. Whether that is causing the mold on the ceiling is tough to d...

Posted by Sara Oct. 28, 2017, 9:50 a.m. Healthy indoor air quality 1 Responses