Wall systems / Discussions

How do you do a Vapour Barrier in a Dense Pack Cellulose Wall?

...wall-systems/ ) you show an exterior wall with 10" plate & sill and two rows of 2x4 studs. This looks fantastic, but the idea of vapour-permeable membranes on b...

Posted by Ian MacKay July 26, 2018, 2:48 p.m. Wall assemblies - renovation 3 Responses

Have you heard of Gigacrete and is it any good?

...systems aren't well adapted to colder or humid climates. With no rainscreen, freeze-thaw can kill an unprotected wall in a season. How does it handle moisture? ...

Posted by Sasha P Aug. 29, 2019, 4:21 p.m. Wall assemblies - new construction 1 Responses

How do you prevent walls from rotting in humid climates?

...wall. How can we avoid getting mould? If your neighbour had their walls rot that could be for a number of reasons - it could be design related, quality of workm...

Posted by Rose Alderson Nov. 5, 2018, 4:34 p.m. Wall assemblies - new construction 1 Responses

What is the optimal setup for mechanical systems for slab on grade?

...wall-mounted interior unit and independent ductwork for the ERV. The other option is a Lunos wall insert HRV which doesn't require any ductwork . As you can t...

Posted by Dave Nuttall July 6, 2019, 9:42 a.m. Mechanical systems 1 Responses

How much does it cost to build a house by square foot?

...walling, siding, trim inside and out, etc., it starts to add up. A straight run of wall is always faster to build than one with lots of corners, and a busy foun...

Posted by Mike D Sept. 5, 2017, 4:12 p.m. Concept and design 1 Responses

What are the factors I should consider for choosing between a slab on grade and basement?

...walls and roof material. Is there a big difference in cost? We have typically found above-grade walls to be a more affordable building option, but no, it is n...

Posted by Shaun B April 2, 2019, 6:35 a.m. Slab on Grade 3 Responses

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

...systems, so I would recommend that route, either with new rads, or if you could check on used material sites for some old classic ones and keep that heritage lo...

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

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

...walls or roof? And what other products would accompany it? I’m currently trying to decide what would be the most effective/economical option for the walls on...

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

What is the best way to heat an off grid home?

Concrete slab floor with frost wall I will run with the assumption that your house is not yet built otherwise you would already have a heating solution, is tha...

Posted by Michelle Nason Aug. 8, 2018, 1:48 p.m. Off-grid and Net-Zero Housing 1 Responses

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

...wall system as a double stud wall, (see more here) which are ideal for improving wall insulation when renovating homes & for building new homes with high perfor...

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

How do I find a green builder in my region?

...wall systems, drop us another question here if you like and we may be able to help sort out the good from the bad. And if you want to chat about design and be...

Posted by Marie Isakower July 26, 2018, 8:12 a.m. How to Find Qualified Green Building Professionals 3 Responses