Interior moisture / Discussions

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

...interior open beam. Only lasts a few hours, I understand that my vapour barrier is compromised, and this is a result of accumulated moisture thawing. I'm reluct...

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

Can you Insulate a Cinder block basement foundation with Rockwool?

...moisture how come does it block interior vapor moisture at the same time? Climate Zone 3A in the South Eastern US is a predominantly hot and humid climate with ...

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

Followup to the question How do you install Larsen Trusses on a home in Minneapolis?

Perhaps my wording should have been, wrap the poly around the sheathing, then nail on the Larsen Trusses. My house like most in built in the early 1900's, has ...

Posted by Ken Traefald Feb. 27, 2020, 1:49 p.m. Wall assemblies - renovation 1 Responses

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

...moisture issues causing mold. The home also had tubing installed in basement concrete floor for future infloor heating (no system on the tubes yet). Existing he...

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

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

...moisture on the outside, but still the only way the moisture in the concrete can dry is to the interior, which is currently being stopped by your poly vapor bar...

Posted by David Mitchell Aug. 14, 2018, 6:32 p.m. Basements improvements 2 Responses

How do you seal windows from the exterior for water and air but not create a vapor seal?

...moisture concerns, there wouldn’t be a lot of moisture buildup in an airtight space that small even if you did tape both sides. Think about it like any section ...

Posted by Piyush Prince Nov. 7, 2018, 12:10 a.m. Windows and doors 1 Responses

My basement is smelly and humid, what can I do about that?

...moisture barrier, allowing the construction of interior walls that aren't as susceptible to mold. But here you seem to say that keeping the moisture out of the ...

Posted by Jeff O. Feb. 8, 2017, 10:22 a.m. Foundation and basement improvements 2 Responses

How do you apply vapor barrier and insulation to a CMU house?

...moisture movement is the same. Is there any efflorescence (moisture stains) on the walls? South Carolina can have a bit of a range of climate zones, so exactl...

Posted by Scott Brekke Nov. 22, 2019, 9:37 a.m. Basements improvements 1 Responses

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

...interior for the reasons you mentioned. House is an all block house including foundation and interior of basement is about 820SqFt. I appreciate your input but ...

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

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

...interior moisture would be worse.) So I am confused as to what exactly is being recommended. Thank you. Hi Ian, Sorry for the confusion, I think we are conf...

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

Can you use a vapour retarder paint on the ceiling instead of using a poly vapour barrier?

...interior walls with a small gap between the exterior wall to be able to slide gypsum board in a continuous air barrier as you mentioned was an option in one of ...

Posted by Anwas Qwelten June 8, 2019, 3:56 p.m. Air and vapour barriers 2 Responses

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

...interior ceiling to the outdoor deck subfloor is tongue and groove 3/4 inch wood boards, then rigid foam insulation and then faced fiberglass batts and then ply...

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

How do you remove moisture and condensation from basement walls?

...moisture from the other side of a vapor barrier. Judging by how the builders designed the interior and the fact that it is still wet 15 years later, I would be ...

Posted by Aaron Keating July 27, 2019, 4:51 p.m. Basements improvements 3 Responses

For home renovation, is it better to install insulation on the inside or outside?

Hi, I have a 1955 red all brick bungalow. the interior walls are a very thick plaster board (maybe 1" or more thick). I want to take the walls down to the stud...

Posted by Neil Richardson Jan. 29, 2019, 4:09 p.m. Wall assemblies - renovation 1 Responses

What is the best way to finish a concrete floor?

...moisture over time and possibly cause problems, meaning they may start to bubble and flake over time. They will likely have toxins in them as well (though no wo...

Posted by Steven P. Aug. 17, 2017, 3:04 p.m. Flooring and stairs 1 Responses

What is the best foam board insulation under drywall

...interior finish is 1/4 plywood panels. The siding is in OK shape but I really want the plywood panel interior gone and replaced with drywall. My idea is to te...

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

How should I insulate basement Walls in climate zone 5?

...moisture unless it is protected underneath the footing as well, which I doubt. Myself I would prefer to have a membrane against the interior of the concrete w...

Posted by Chad Johnson March 25, 2019, 8:33 p.m. Basements improvements 1 Responses

Should I install basement drain tile vents?

Installing basement drain system and the contractor wants to install vents through the concrete floor at the wall Junction to drain moisture condensate from ba...

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