Trap moisture / Discussions

If the foundation wall has tyvek wrap will it trap moisture?

...moisture but its better than nothing. Basement construction usually goes bad when builders mistakenly think the moisture in the air is the problem when in reali...

Posted by Hos Boss March 9, 2021, 4:42 p.m. Basements improvements 1 Responses

Can basement walls to dry to the inside with foam board?

...moisture comes through the concrete it will have nowhere to go. Perhaps I am missing something here but seems to me over time behind the eps will be wet as th...

Posted by Tim Hanrahan Aug. 20, 2020, 12:34 a.m. Basements improvements 6 Responses

Can Rockwool be installed over Type II EPS?

...trap moisture. Rockwool insulation is one of our preferred methods for adding insulation to the outside of a house because it is very resistant to moisture dama...

Posted by Brian Bonnell March 30, 2020, 11:04 a.m. Wall assemblies - renovation 1 Responses

Which type of exterior insulation to use on a house?

...moisture and it lets moisture pass right through it. Here is the page you really need to read though, all about the various options for exterior rigid insulatio...

Posted by Trevor Marshand May 26, 2020, 1:16 p.m. Insulation and soundproofing 1 Responses

Can you add external insulation to a brick home?

...moisture and it lets moisture move right through it, which is a very good thing to use for an exterior insulation renovation project since it doesn’t trap moist...

Posted by Rachel Kaiser April 2, 2020, 9:11 a.m. Wall assemblies - renovation 1 Responses

What kind of insulation do you recommend to put on my exterior sheet rock wall?

...trap moisture. I would recommend you use some sort of mineral wool / rock wool insulation as they aren’t harmed by moisture and it will pass right through it....

Posted by Uwe Thomas May 22, 2020, 10 p.m. Insulation and soundproofing 1 Responses

What is the best way to insulate my basement?

...trap moisture inside the walls where the wood and insulation is. Meaning, the last thing you should do in a basement is put a 6-mil poly vapor barrier after the...

Posted by Chris Rogers Oct. 27, 2019, 11:23 a.m. Foundation and basement improvements 1 Responses

Is insulating an existing home from the outside a good solution?

...moisture the way rigid foam panels will, which can trap moisture inside walls and lead to rot. Water vapor moves through mineral wool easily, and it isn’t harme...

Posted by Cate Prichard June 26, 2021, 3:27 p.m. Wall assemblies - renovation 1 Responses

Should you allow air flow through a crawl space with a dirt floor?

...trap moisture, I would then insulate between the floor joists below. Normally we don’t recommend venting an otherwise closed in crawlspace, but letting air flow...

Posted by Amber Murray Aug. 17, 2020, 10 p.m. Crawl spaces 3 Responses

What is the best way to insulate a 2x8 wall?

...moisture so while it isn’t the cheapest, it is the most foolproof as it won’t ever trap moisture like some foam insulation can. Spray foam is a viable option,...

Posted by Michael Sweglar July 8, 2020, 10:43 a.m. Wall assemblies - new construction 3 Responses

What is the best way to renovate a basement after a flood?

...moisture and in turn the wood will continue to absorb moisture as well and begin to rot. I get the idea of the Blueskin to protect the wood from wetting, but it...

Posted by Wren Toombs June 18, 2018, 10:52 a.m. Foundation and basement improvements 2 Responses

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

...trap moisture. That’s a much safer way. Mineral wool is sort of a ‘foolproof’ insulation in that way, as moisture moves right through it and causes no harm. 2 i...

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

What is the best way to insulate the exterior walls of an older home?

...trap moisture inside the walls, which is why we most often recommend installing some sort of Mineral Wool insulation like Rockwool (formerly Roxul) but there ar...

Posted by Geoff Kavanagh June 30, 2020, 4:01 p.m. Wall assemblies - renovation 1 Responses

Combo structural sheathing, WRB and thin insulation panel in Ontario?

...trap moisture and it isn’t negatively affected by it. So where exactly are you building? And are you stripping all the insulation, meaning left with an empty ...

Posted by Steve Bull Jan. 14, 2020, 6:06 p.m. Walls and Roofs 3 Responses

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

...trap 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...

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

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

...trap 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 decisio...

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