High humidity / Discussions

How do you fix high humidity levels in a basement?

...humidity inside my home is still high 50-65% . Furthermore, a contractor recommended installing an air purifying system, adding additional insulation in the a...

Posted by JR Tadinac Aug. 21, 2019, 11:26 a.m. Healthy indoor air quality 3 Responses

What is the best way to deal with a drop ceiling in a high humidity room?

...humidity pretty static or lower with dehumidification system) met the 3/4 inch plywood subfloor of the outdoor deck. From the inside of this portion of the indo...

Posted by steve Roberts Dec. 24, 2019, 8:01 p.m. Walls and ceilings - interior surfaces 1 Responses

What is the best way to reduce humidity in a basement?

...high humidity (70-80%RH) although I don't see any visible damp anywhere. The washer/dryer are down there - the dryer vent is fully sealed, there is no actual ve...

Posted by Frank Cooper Oct. 17, 2019, 10:45 p.m. Basements improvements 2 Responses

How do you do a Vapour Barrier in a Dense Pack Cellulose Wall?

...high humidity in summer. Lots of heat, lots of air conditioning. Are you absolutely sure that no vapour barrier is okay? How do I convince the building inspecto...

Posted by Ian MacKay July 26, 2018, 2:48 p.m. Wall assemblies - renovation 3 Responses

Can you provide Crawlspace Insulation Design Assistance?

...high winds). The crawspace is dirt floor with several cemented fieldstone pillars supporting the original floor joists (full 8"x4" chestnut and oak beams...now ...

Posted by Randy Christensen Dec. 10, 2019, 12:17 p.m. Crawl spaces 1 Responses

How do you remove water droplets from under a crawl space vapor barrier?

...high humidity which was causing mold growth. With the dehumidifier it varies between 50-55%. Mold growth has ceased. Keep it to about 50-55% RH is good, that's ...

Posted by Paul Racioppo Feb. 7, 2020, 3:49 p.m. Crawl spaces 3 Responses

What causes moisture on a ceiling in winter?

...high relative humidity. This page about winter preparations covers the topic of condensation forming on walls in winter, and other humidity-related home issues ...

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

What is the best way to insulate a home from the outside?

...high temperatures and high relative humidity.

Posted by Sylvie Gagnon Dec. 12, 2017, 11:58 a.m. Wall assemblies - renovation 1 Responses

Which type of hot water pipe insulation is best?

...high humidity and high temperatures. The fiberglass sheath is characterized by a higher insulation coefficient, which can nevertheless be achieved by installing...

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

Is Condensation on Windows a bad sign?

...high level of humidity that I’m quite certain you have in your home, because you are already seeing the signs of damage in the form of black mold on your window...

Posted by Greg Olmstead Dec. 12, 2019, 6:21 a.m. Walls and Roofs 1 Responses

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

...high, so first hit the hardware store and pick up a hygrometer to measure the indoor relative humidity, They cost about 20 bucks. If you normally have high hu...

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

What can I do to prevent mold and musty smells from a crawlspace with a dirt floor?

...high levels of humidity down there, I think the proximity to the ground being only 2 feet really doesn’t help. What you will need to do is install a membrane to...

Posted by bonna gordy May 15, 2020, 8:16 p.m. Crawl spaces 1 Responses

How do you insulate a crawlspace?

...humidity. We normally recommend insulating and sealing the crawlspace walls and floor instead, and having it moderately heated to keep any pipes from freezing. ...

Posted by Drew Weistend Nov. 14, 2017, 9:22 a.m. Crawl spaces 1 Responses

What insulation should I put on basement block walls that is resistant to mold?

...high humidity? If you get bulk water then you would be wise to install a drain. If it's not a finished floor then you could smash the concrete with a sledge ham...

Posted by Ken Gee July 31, 2019, 3:25 p.m. Basements improvements 3 Responses

How do you insulated a crawlspace with dirt floor?

...high? I had high radon gas in by basement and so I installed a radostat that monitors radon levels and activates and HRV when the levels are too high .

Posted by sal Bellicoso Oct. 30, 2019, 4:56 p.m. Crawl spaces 1 Responses

Is an HRV or ERV system best in a cold climate?

...humidity levels - which also change around a fair amount based on wind direction, temperature and how close we are to the lakes. So - this is where my question ...

Posted by Michael Duncan Nov. 14, 2019, 3:53 a.m. HRV and ERV 1 Responses

What is the best foam board insulation under drywall

...high recycled content, it handles incidental moisture far better than fiberglass insulation, it has a higher R value per inch than fiberglass and it’s a good fo...

Posted by Wesley Pracht Jan. 11, 2020, 8:10 p.m. Wall assemblies - renovation 1 Responses

What considerations should be made when installing a green roof on a metal building?

...high humidity), and up to high 90's (high humidity) summertime. I will be saving up, and begin fundraising this year. (It is for a non-profit), so I really want...

Posted by Nina Flores Feb. 16, 2020, 4:57 p.m. Roof coverings 3 Responses