Moisture / Discussions

What is the best way to insulate the ceiling of my crawl space?

...moisture, and it doesn’t impede the movement of moisture either. you can read more about thermal foil and rockwool on our choosing insulation guide page . But l...

Posted by Judy Mendel Feb. 17, 2020, 11:10 p.m. Crawl spaces 4 Responses

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

...moisture forming on the interiors of your windows when the AC is running. What is happening (I believe) is that the interior is so cool that condensation is f...

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

Can I add Larsen Trusses and cellulose to 1920s House in Minneapolis?

...moisture inside walls. What you read about installing a poly vapor barrier on the outside of a building is not a wise. I’m wondering if perhaps you misread that...

Posted by Ken Traefald Feb. 17, 2020, 2:30 p.m. Wall assemblies - renovation 3 Responses

What is the best way to do a basement renovation?

...moisture resistant surface to separate your studs and insulation from the concrete, and that will allow moisture that accumulates to run down the wall and not b...

Posted by BIG FOOT Nov. 18, 2020, 9:33 a.m. Basements improvements 1 Responses

Can you use Hemp insulation to insulate a metal structure?

...moisture, and there is a greater risk of condensation when there is a metal passing from the interior to the exterior of an insulated space. You will be able to...

Posted by Jen Moffat Sept. 23, 2020, 1:16 p.m. Insulation and soundproofing 1 Responses

Does hydronic radiant cooling work?

...moisture problems as it can cause warm humid air to condense and put you at risk of mold and mildew forming. Here is a our page all about radiant floors as a st...

Posted by dean c April 30, 2019, 8:01 p.m. Delivery: radiant, forced-air and decentralized 1 Responses

What is the best insulation for a small energy neutral home project?

...moisture damage, but given that you are in a particularly humid climate you may want to lean towards something like Rockwool insulation (aka Mineral Wool) or pe...

Posted by Dan Gull Nov. 11, 2019, 6:40 a.m. Off-grid and Net-Zero Housing 4 Responses

In the winter should you heat a low/dirt floor crawl space with a furnace vent?

...moisture damage and mold . This page here will have most of the answers you need – Best Practices for Insulating Crawlspaces So here are a few questions tha...

Posted by janis hobson Dec. 11, 2019, 3:17 p.m. Crawl spaces 1 Responses

Is Condensation on Windows a bad sign?

...moisture is. But running all the way down the wall to create a puddle on the floor is quite a lot. What you really need to do is address the high level of humid...

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

Which house wrap is best?

...moisture pass though it, and you can usually find permeability rates listed on the manufacturers website specs pages. Simply for good measure we would recommend...

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

What is your opinion about building a garage on posts (screw piles)?

...moisture sensitive insulation (like cellulose or fiberglass), rather consider rigid form boards or rock wool. Wait for a string of sunny days to do it, and make...

Posted by Les P Dec. 11, 2017, 2:21 p.m. Foundations and Basements 1 Responses

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

...moisture inside. The following are a few pages that may help you make those decisions. Have a read through these, and as you get closer to making a decision fee...

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

How do I stop a leak from my attic?

...moisture that can’t escape, and that is caused by the insulation blocking the soffit vents . I hate to bring you bad news but I think you need to strip it all o...

Posted by Markus Duess Feb. 11, 2019, 12:42 a.m. Roof assemblies - renovation 1 Responses

How do you prevent walls from rotting in humid climates?

...moisture damage when building in a wet region like yours. There may also be trees or undergrowth very close to their home to hold moisture. The wall assembly an...

Posted by Rose Alderson Nov. 5, 2018, 4:34 p.m. Wall assemblies - new construction 1 Responses

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

...moisture control since it's exceptional that the humidity is only 55% in a pool room. Putting in a vapor/air barrier without ventilation could be problematic ...

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

Can you install foam boards directly against basement walls?

...moisture, particularly having a source of moisture on one side and an impermeable or semi-impermeable layer to follow. By 'Breathe' I hope/think they meant 'all...

Posted by Ted Gorab Oct. 3, 2019, 6:09 p.m. Basements improvements 4 Responses

Can you preheat ERV inlet air?

...moisture that may condense on the tube walls from hot humid summer air coming in contact with the cooler surface. A cheap way is to build a "puit canadien"

Posted by A O April 6, 2020, 12:16 p.m. Ground-coupled heat exchanger 2 Responses