Materials / Discussions

Should I install a poly moisture barrier before the rigid foam board against a basement wall?

...materials: 6 mil Poly against the wall for moisture and radon protection, 2" rigid XPS foam board insulation held in place with the special plastic pegs (since ...

Posted by DONandCATHY Crenna Dec. 14, 2020, 2:21 p.m. Basements improvements 3 Responses

What type of framing is best to reduce CO2 emissions in a single family home?

...materials used for construction here – Zero Carbon Homes - The S1600 Prefab Eco Home is affordably Close Engineered lumber will usually make use of wood tha...

Posted by Rachel Rodd Sept. 28, 2020, 3:04 p.m. Wood and organic materials 1 Responses

What is the most efficient passive home design?

...materials with low-embodied energy. Different insulation materials will have different R values per inch - which affects the energy required to operate a Passiv...

Posted by Peter Riley Jan. 29, 2020, 9:01 p.m. Passive House 1 Responses

Does slab on grade need to have in floor heating?

...materials, due to the conductivity of concrete . This is a simple fact of physics. Enough sub-slab insulation can be added so that it is possible to feel comfor...

Posted by Lauren Panzani Nov. 13, 2020, 11:06 a.m. New foundations and slab-on-grade 1 Responses

What is the best way to insulate a Multi-material wall?

...materials (concrete, block and brick) atop one another, which are typically exterior wall materials. In my case, this is how my cold room was built and what i c...

Posted by Steve J Sept. 29, 2020, 10:15 a.m. Wall assemblies - renovation 7 Responses

What type and how to install an insulated metal flue pipe ,through a tiled roof?

...materials is choosen or if it isn’t installed properly, but also for insurance purposes. If you speak with a licensed local fireplace / chimney installer they...

Posted by david joseph July 25, 2020, 7:10 a.m. Roof assemblies - renovation 1 Responses

What is the Kenogami House heating system?

...materials , I still think there is tremendous potential for material phase changes to be used for energy efficiency , there are just no mainstream products read...

Posted by dean c March 22, 2019, 3:46 p.m. Passive solar home design 1 Responses

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

...materials , but first let’s start with the right amount of insulation . Can you tell us what climate zone you are building in, or simply what area please? I'd b...

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

Do we have the option to build to meet the reqs. of the Living Building Challenge?

...materials, carbon footrprint being similar, however, LBC also places focus on Biophilic designs (connecting the dwellers with nature through various ways) and a...

Posted by Lydia Singh Jan. 8, 2020, 1:30 a.m. Green building certifications 4 Responses

What is the best way to do Stucco/E.I.F.S exterior window wraps?

...materials like we did in the window installation video on that page.

Posted by Pat Estes July 17, 2020, 11:50 a.m. Windows and doors 1 Responses

Can you install electric wire in floor heat cables and cork flooring?

...materials that were safe for install on a heated slab on grade floor. After 5 years of use, the floor still looks great overall, but there are spots that are ...

Posted by C Whitby Aug. 7, 2020, 6:43 p.m. Flooring and stairs 2 Responses

What are the most cost-effective green building strategies in new home construction?

...materials and techniques, and these vary in cost! There are for sure a lot of green home building technologies and products out that will eat up your money rath...

Posted by M T Nov. 4, 2019, 11:07 a.m. Concept and design 3 Responses

Where can I get steel cladding like on your prefab house?

...materials Hi Thank you for responding to my question. We are in Wakefield, QC We love the cladding that you have done on the S1600 prefab kit (we went to see ...

Posted by Flower Lunn March 1, 2020, 2:27 p.m. Walls and Roofs 2 Responses

Is cross laminated lumber to heavy to frame a cantilevered room?

...materials you should use would for sure be an engineering decision though. For your final cladding, check here on our page on choosing exterior siding for opt...

Posted by Teresa Pfiffner May 20, 2020, 7:43 p.m. Wood and organic materials 1 Responses

How you vent a metal roof?

Hi, I live in Nova Scotia, Canada - Climate Zone 6 - and am considering installing a through-fastened steel roof (panels 36'wide cut to length). My house has...

Posted by Kim jarrett July 12, 2019, 12:15 p.m. Roof coverings 3 Responses

How do you do a vapor barrier in a dense pack cellulose wall?

...materials can be classified differently depending on their moisture permeability. You will find that various products have spec sheets available online that wil...

Posted by Ian MacKay July 26, 2018, 2:48 p.m. Wall assemblies - renovation 4 Responses

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

...materials, and it worked fine, but it was pretty labor intensive. It may cost about the same to go with something like Cascadia Clips to install the insulation ...

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

Where can i buy hemp batt insulation in Western Canada?

...materials like hemp are a great way to safeguard your indoor air quality if you have respiratory issues or chemical sensitivities . We are just finalizing detai...

Posted by Jen Moffat Aug. 14, 2020, 11:14 p.m. Insulation and soundproofing 4 Responses