How much insulation / Discussions

How much insulation should I install underneath my concrete slab in my basement?

...insulation is necessary, but want to know what the experts think. If insulation is required, how much and what type is recommended? You absolutely need to insta...

Posted by Scott Antonation Sept. 27, 2019, 1:06 a.m. Slab on Grade 3 Responses

I want to insulate the outside of my house, which type of insulation do you think is best?

...insulation or fiberglass insulation over your head during a rain storm and see if you stay dry (spoiler alert you will get wet). Then, hold a batt of of insulat...

Posted by Joe F Nov. 15, 2017, 10:34 a.m. Wall assemblies - renovation 7 Responses

What do I in my basement where new insulation meets old?

...insulation types? (Old Poly vapour sheet and fibreglass insulation vs new Rockwool and EPS) How do address the areas where the EPS is adjacent to the old insu...

Posted by Steve J July 20, 2019, 10:01 p.m. Basements improvements 2 Responses

Would you recommend Legalett over water radiant floor heat for a backyard studio in Toronto?

...how much rebar should be in a slab on grade floor and if it's okay to have the perimeter touching the ground without any insulation beneath it? The most cost-ef...

Posted by Christine Pountney May 2, 2019, 1:22 p.m. Delivery: radiant, forced-air and decentralized 1 Responses

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

...insulation to the inside but also the outside of the walls so we don’t lose too much space inside. Do you have suggestions about how to go about this? I’ve read...

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

Do I need to insulate under the footings of a frost protected shallow foundation?

...how did you determine the requirements for horizontal insulation? Thanks so much in advance, appreciate you taking the time. You are right that heat escapin...

Posted by Jon Piana April 15, 2019, 8:45 a.m. Slab on Grade 1 Responses

How can I solve a moisture problem in attic from 1941 home?

...insulation into the rafter bays without an air channel. Plus inadequate soffit venting...almost none. We got intermittent condensation and some mold on the roof...

Posted by Rachel Katz June 8, 2019, 4:06 p.m. Air and vapour barriers 0 Responses

How do you insulated a crawlspace with dirt floor?

...how to proceed for insulation/winterization/moisture? At this point, I’m thinking to simply put a 6 mill poly on the dirt floor to keep the moisture out and t...

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

Can you put hemp insulation in an attic?

...insulation can I use with the radient barrier? Hemp or wool? Where can I buy hemp? Thanks! You can order Hemp insulation through Ecohome , and hemp is a natural...

Posted by Pamella Weatherly-Phillips Aug. 16, 2019, 11:49 a.m. Roof assemblies - renovation 1 Responses

What is the best way to insulate a 1780 brick federal with stone foundation in New York?

...How to insulate a cinderblock foundation wall Insulating the exterior of an existing foundation comes at a much higher cost simply due to the need to excavate...

Posted by carole roseman Jan. 5, 2020, 2:39 p.m. Foundation and basement improvements 1 Responses

Should you put insulation on the outside of a cinder block wall in a desert?

...much on the climate zone (how many heating degree days annually), how much you currently spend on heating, how much it would cost to do the work and how much en...

Posted by Michael Apodaca March 9, 2020, 3:10 p.m. Wall assemblies - renovation 1 Responses

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

...How to remove Radon Gas from Crawlspaces and Basements How much insulation does a basement need And for house shopping in case you ever move…. Crawlspaces o...

Posted by Dave Bell Oct. 24, 2019, 3:57 p.m. Crawl spaces 3 Responses

How do you fix high humidity levels in a basement?

...insulation in the basement has been removed and replaced with spray foam insulation; the foundation around my house on the outside surface has been waterproofed...

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

How do you attach exterior siding without affecting the air barrier on a passive house?

...insulation, and siding over the foam. I'm unsure how to attach anything to the "Zip system", without penetrating the airtight barrier. Thanks, Scott The Zip...

Posted by Scott Bowker July 16, 2018, 11:07 p.m. Wall assemblies - new construction 3 Responses

How do you replace windows in a double stud wall house?

...how much greater the span will be. So there is a bit of engineering that may need to be done depending on just how much you are increasing the span, and that wo...

Posted by Sasha June 25, 2018, 10:25 p.m. Windows and doors 3 Responses

Where do I start to build a small, affordable, low-maintenance house?

...much of the information I read can be a little overwhelming to sift through, but I am really passionate about showing people that living an eco life is possible...

Posted by Ocean-Lynn Georgelin Oct. 22, 2019, 11:40 p.m. Concept and design 2 Responses

Is the ZIP sheathing system good or bad for water control?

...how all these systems work, and you will probably see for yourself how it may be a problem: Choosing Between OSB and Plywood Sheathing – How they Work Choos...

Posted by Trevor Prinz Nov. 26, 2019, 4:03 p.m. Walls and Roofs 4 Responses

Is a vapor barrier necessary under a concrete slab with foam insulation and if so, where does go?

...insulation so the slab will retain some passive solar heat from the south facing windows in winter, avoiding having to put too much heat in to keep stuff from f...

Posted by Grady 22 Aug. 17, 2019, 12:19 p.m. Air and vapour barriers 3 Responses