Best / Discussions

What kind of insulation do you recommend to put on my exterior sheet rock wall?

...best to make sure that you only use products that are vapor permeable. Here is our page on Choosing the best rigid insulation , you may also want to check out...

Posted by Uwe Thomas May 22, 2020, 10 p.m. Insulation and soundproofing 1 Responses

Heco topix screws - which type should be used for attaching insulation outside a house?

Attaching battens through 4" EPS foam external insulation, should Therm Insulation or Stainless screws be used? Is it necessary to have the double thread desig...

Posted by Mike Taylor April 7, 2020, 4:45 p.m. Materials and resources 2 Responses

How do can I insulate an existing basement floor from 1906?

...best and how much you have room for. But in general, here is a good page to start on – How much insulation does a basement need? As for carrying out the wor...

Posted by Cathy Gaskins Feb. 18, 2021, 11:24 a.m. Basements improvements 3 Responses

What insulation should I put on basement block walls that is resistant to mold?

Concrete block basement wall. Moisture issue in spring ( and I suspect fall). We get a lot of people asking about the best way to insulate a cinder block (CMU)...

Posted by Ken Gee July 31, 2019, 3:25 p.m. Basements improvements 3 Responses

Can you use spray foam Insulation under a slab?

...best choice by a long shot, but under a slab is not the place. On this page you can see what we like and don’t like about spray foam and why – 4th generation ...

Posted by Linda Martin April 6, 2020, 11:54 a.m. Slab on Grade 1 Responses

What type of insulation should I put on the exterior of my new home?

...best rigid insulation for exterior walls . Our recommendation would be that whatever insulation type you choose, extra R value beyond building code is always ...

Posted by Alex Kesheshian April 23, 2020, 12:22 a.m. Wall assemblies - new construction 1 Responses

What is the perfect wall assembly?

I plan to build in the spring of 2021 and the intention is to super insulate my solar passive house. Your video on ''build the perfect wall - top tips'' is ver...

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

What is the best choice for me, HRV or ERV?

...best air exchange system. Thanks, John How to choose between an HRV and ERV (Heat Recovery Ventilator and Energy Recovery Ventilator for those not familiar) com...

Posted by John Oakes Jan. 10, 2020, 11:04 p.m. HRV and ERV 1 Responses

How do you prevent walls from rotting in humid climates?

Hi there, we live on the gulf islands, building a new home as owner builders and figuring it out as we go. I worry that being in such a damp environment for so...

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

Do you have an updated recommendation for attaching exterior mineral wool insulation?

Do you have an updated recommendation for attaching exterior mineral wool you built a few years ago? The way we attached mineral wool insulation on the LEED Pl...

Posted by Fred D Aug. 31, 2020, 1:07 p.m. Wall assemblies - new construction 1 Responses

How can I insulate an interior back wall that is NOW an exterior back wall?

I had an interior porch torn down and had an exterior porch built. Now the back wall to the building is letting in cold air. I need to insulate the building. W...

Posted by Sabrina Ross Sept. 21, 2020, 10:55 a.m. Wall assemblies - renovation 1 Responses

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

...best way of insulating exterior walls from the outside we've written a guide page here. Some rigid board insulations are a vapour barrier, some are not. Some ...

Posted by J. Ferguson Nov. 15, 2017, 10:34 a.m. Wall assemblies - renovation 12 Responses

How do you insulate a 70s home with 2x4 walls that has fiber glass insulation?

What is the best way to insulate from the outside? Rock wool? How costly of a project is this? Here is an article that will give you a starting place about tea...

Posted by Mark Aussenegg Nov. 26, 2018, 6:49 p.m. Wall assemblies - renovation 1 Responses

Can you use a Lunos E2 HRV System to circulate air between two floors?

Am wanting some fans that work in pairs to circulate air between my basement and main floor. Have a long 1100 sq ft house from the 60s (you know the one). Hopi...

Posted by Richard Kolla May 20, 2020, 1 a.m. HRV and ERV 1 Responses

Which of the passive home prefab kits are available in Quebec?

...best options for prefab materials / kits. All of the prefab eco-friendly modular kit houses in our Kit home pages are available in Quebec, Ontario and Northern ...

Posted by Shawna Dunbar June 16, 2020, 3:51 p.m. Architecture and plan design 1 Responses

How do you do off grid water and waste management?

...best one to go with and an idea of cost in B.C. Canada

Posted by suzanne Gardner-Clark Sept. 9, 2020, 4:47 p.m. 0 Responses

I have many issues with my house where should I start?

...best place for you to start is figuring out what your budget is to make repairs, as that is a rather extensive list. The best way we can help at this point is...

Posted by Bryan Squirrell Sept. 29, 2019, 3:08 p.m. Wall assemblies - renovation 1 Responses

What is the best approach to insulate the floor in a tiny home, built on a trailer?

I am looking for best approach to insulating a deck over trailer. -frame is 2x6 steel tubing 24" oc (wheel wells under the floor frame) -ideally i do not w...

Posted by Dustin Hartwig May 28, 2020, 4:31 p.m. Tiny house 3 Responses