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 reduce humidity in a basement?

We live in Bellingham WA and our basement was built in the 70's. It has high humidity (70-80%RH) although I don't see any visible damp anywhere. The washer/dry...

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

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

I have a crawlspace with 4' concrete walls and a cement floor, insulation between the floor joists and has 3 - vents to the outside. I am thinking of 1" foam b...

Posted by Dave Bell Oct. 24, 2019, 3:57 p.m. Crawl spaces 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 foam board insulation under drywall

...humidity, cold, and snowy environment. Heating only no cooling. Currently have T1-11 siding, tar paper, R13 FB insulation, and the interior finish is 1/4 plywoo...

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

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

...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 inspectors? I...

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

how do you stop wood stove smoke from entering a home?

...Humidity is 50 per cent or less. Don't want to give up the wood stove. Don. Topsham, ME. You do have a few points here to address, but the first thing I would...

Posted by Don Leaver March 24, 2020, 10:49 a.m. Wood stove and biomass heat 4 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

Can you provide Crawlspace Insulation Design Assistance?

...humidity issues as well. I was thinking of new fiberglass batts in the 24" o.c. joists supported by one of the newer breathable foil membrane products stapled...

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

What causes moisture on a ceiling in winter?

...humidity. This page about winter preparations covers the topic of condensation forming on walls in winter, and other humidity-related home issues – Tips for p...

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

Is Condensation on Windows a bad sign?

...humidity in your home. They aren’t expensive (probably in the $20 range) and it will be great to have in the future to keep an eye on the humidity levels. As ...

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?

...humidity level in your home if it is too high, so first hit the hardware store and pick up a hygrometer to measure the indoor relative humidity, They cost abo...

Posted by AJ Nov. 13, 2016, 1:15 p.m. Walls and Roofs 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 can I do to prevent mold and musty smells from a crawlspace with a dirt floor?

...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 prevent moistu...

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

How do you get rid of mold in a bathroom?

...Humidity and Ventilation In the absence of a bathroom fan, you should reduce the humidity in the room as much as possible by removing any carpets that could hol...

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

Which type of hot water pipe insulation is best?

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

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

Is it normal that condensation forms on the windows of my new home?

...humidity. New buildings often take a bit of time to dry out, so it would not be unusual that in the first winter there would be higher levels of humidity as bui...

Posted by Kevin Newman April 19, 2017, 10:30 a.m. Ventilation 1 Responses

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

...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 hammer a...

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