Break / Discussions

What is a thermal break solution at a door threshold?

I am building a net zero home with ICF blocks serving as a frost wall. Our exterior above grade walls will also be ICF with the addition of 3.5" of EPS panels ...

Posted by Shaun B Sept. 13, 2020, 6:31 a.m. Slab on Grade 2 Responses

Which exterior insulation is best to create at thermal break in an bungalow in Alberta?

Do you have any advice with spray cork renders vs. fully insulating the outside of our home with rockwool or foam board and new siding. We need a cost effectiv...

Posted by Rebekah Barnes Jan. 17, 2020, 10:07 p.m. Wall assemblies - renovation 1 Responses

Can you help with passive solar greenhouse exterior wall details?

...break / if that rigid insulation should be breathable. Trying to avoid moisture condensing inside the walls. We live in NW Alberta - will attempt to use the g...

Posted by Rick Carter Aug. 11, 2020, 8:06 a.m. Greenhouses and Sunrooms / Solariums 1 Responses

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

...break .....rock wool would be good if I could find 4x8 sheets and do a price comparison. So I would have 2x8 studs then osb then some thermal break , breathable...

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

What is the best way to do a basement renovation?

...break under the bottom plate and over the insulation on the interior warm side and then drywall over top, the vapour didn't end up being taped but maybe was aco...

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

What is the best way to make a row house in Montreal Quebec more energy efficient?

...break up the concrete basement floor to put in underfloor heating and insulate? Looking for heat efficiency and cost efficiency and eco-friedliness. What wo...

Posted by Elizabeth Brown Feb. 26, 2019, 9:09 p.m. Wall assemblies - renovation 3 Responses

What is the perfect wall assembly?

...break the thermal bridging effect but as mentioned in the video the labour cost was higher. What would be some alternatives given the narrator's comment that ''...

Posted by Paul Drouin Sept. 17, 2020, 6:29 a.m. Wall assemblies - new construction 1 Responses

How do you make an airtight house envelope?


Posted by Valeriy Kraydman Dec. 1, 2020, 2:52 p.m. Air and vapour barriers 1 Responses

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

...break an air barrier is attention to detail. Even in homes where something as basic as standard building tape and 6 mil poly are relied upon to act as the air b...

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

Building a Honka log “pretty good house” planning - thoughts on hvac, ventilation and roof

...break them up so they are easier to address. Best of luck!

Posted by Klemen Novak June 28, 2020, 1:55 a.m. Planning and Design 1 Responses

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

...break) in the following page- Best practices for durable basement construction to avoid mold As for applying the EPS rigid insulation, I wouldn’t worry too ...

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

How do you fix radon and water infiltration in a dry stone foundation?

...break under the sill (plastic unknown in 1820!). So would moisture/rot be a concern besides freezing? I'm in Zone 5a by the way; low temps -20F to-15F or -28 to...

Posted by john flannery July 14, 2020, 4:24 p.m. Foundation and basement improvements 5 Responses

Should I vent the space between a block wall and vapor barrier?

...break up the concrete along the edge of the wall and lay down a drain you could direct it to a sump pump, that is really the best way to manage bulk water build...

Posted by Nick Santore Oct. 10, 2020, 2:03 a.m. Basements improvements 1 Responses

Do frost lines where studs are on a wall show a failure of spray foam insulation?

I have a customer with frost problems whose home shows every stud from the outside on a winter day. Would you say their spray foam insulation has failed? It's ...

Posted by Gerald Crozier July 22, 2019, 10:24 p.m. Insulation and soundproofing 1 Responses

Is there thermal bridging in the Edelweiss REMOTE wall?

In the Edelweiss home, it is said that two layers of strapping prevent thermal bridging. Albeit, the screws from the second layer of strapping do not go direct...

Posted by David Pantalone Feb. 9, 2020, 4:42 p.m. Wall assemblies - new construction 1 Responses

Are there any updates on the progress of the second demonstration house?

...break down of the mechanical systems, energy performance and total carbon footprint on this page here - Zero Carbon Homes - The S1600 Prefab Eco Home is affor...

Posted by dean c April 30, 2019, 7:58 p.m. Solar thermal collectors 2 Responses

What is the best way to stop thermal bridging between my ICF walls and my footing?

Unisulated footing under ICF walls allows thermal bridging into the concrete core of the wall allowing energy stored in the thermal mass to bleed into the soil...

Posted by Walter van den Broek Sept. 18, 2020, 11:23 a.m. Foundation choices 1 Responses

What do you think of insulated T Studs in Canada?

...break thermal bridges in wall assemblies and improve the overall thermal performance of a home as well an increase home durability, which is what happens when y...

Posted by Lee Watt June 3, 2019, 10:57 a.m. Wall assemblies - new construction 1 Responses