Non-toxic insulation / Discussions

What is the best insulation for basement walls?

...insulation. Insulating the basement without a frame wall interests me but I’m not sure if it would be possible to achieve R24 without one. Could 2” of EPS with another 4” of rock wool be installed without a frame wall? Even if not required I imagine it may be advisable to protect the insulation with some kind of coveri...

Posted by Paul D March 28, 2025 Basements improvements 1 response

Where can I buy hempcrete insulation?

...insulation such as hemp, you should see the Ecohome Green Building Product Directory. There are hemp building materials for interior finishing as well as hemp insulation and other natural insulation products. You can search by location, and if you find a supplier near you they may also be able to provide hempcrete or h...

Posted by Natalie Wright Nov. 12, 2024 Wood and organic materials 1 response

What is a non-toxic and non-flammable home insulation?

...insulation choices for renovations and new construction I would first suggest you look at the Ecohome guide page on comparing insulation, see below – Choosing the right insulation for the right application Cork would be considered an eco-friendly green insulation as it is a fast-growing renewable resource, it also has ...

Posted by Amanda Eisley May 26, 2023 Insulation and soundproofing 1 response

Where can I find hemp insulation, and what sizes does it come in?

...Insulation that I could look at.  Also is it a semi-rigid board?  Can you make it in rolls? Thank you, Gary Different manufacturers of hemp insulation provide it in different forms and dimensions. Our green building products directory has several manufacturers, so you can look over their pages to see what types of prod...

Posted by Gary Stapley Feb. 5, 2021 Insulation and soundproofing 1 response

What is the perfect wall assembly?

...insulation, we recently used cellulose insulation for the walls and roof of our latest demo house, the S1600 LEED Platinum Prefab kit house. As for how to mount exterior rigid insulation, there are ways that employ more expensive materials, but save a lot of time so it sort of comes out in the wash we figure after havi...

Posted by Paul Drouin Sept. 17, 2020 Wall assemblies - new construction 2 responses

Are straw bale SIPS being made and sold in Canada? Are they accepted?

Can I source a supply. There is one company in the UK that is producing Straw bale SIPs, and there was one Ontario company producing Straw bale SIPs has since stopped. We aren’t sure if anyone else has started producing them unfortunately. 

Posted by Martin Stone May 29, 2021 Wall assemblies - new construction 3 responses

How do you make a home with clean air quality?

...insulation you choose, but most important is choosing non toxic interior finishing materials. Finding Low VOC Paints, natural wood finishing oils for floors, formaldehyde free plywood instead of chipboard or particle board that are full of resins, these are your first steps. Here you a lot of pages about how to build h...

Posted by Megan Hensler May 5, 2022 Healthy indoor air quality 3 responses

Is hemp block insulation any good?

...insulation is an excellent and very sustainable alternative to many types of more toxic building materials and insulations. But as for the hemp blocks, that would not be our preferred method. We’ve seen and looked into the blocks you are talking about, and while we like seeing innovative building products emerge, espec...

Posted by Tyler Forman March 4, 2022 Wood and organic materials 5 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 and non-toxic insulation material that will protect the air quality in your home. We will have an order page coming soon, but for the moment you can drop us ...

Posted by Pamella Weatherly-Phillips Aug. 16, 2019 Roof assemblies - renovation 1 response