Thermal barrier / Discussions

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

...thermal and air barrier on our 1970s raised bungalow. We have a fully insulated (with spray foam) basement up to the rim joists. This space is now wonderful t...

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

Combo structural sheathing, WRB and thin insulation panel in Ontario?

...barrier in terms of vapor permeability - Weather barriers and home wraps – which one is best? We also have this page that will top up your understanding, ab...

Posted by Steve Bull Jan. 14, 2020, 6:06 p.m. Walls and Roofs 3 Responses

Is it possible to connect greenhouse with the building?

...thermal barrier (less heat in summer, more in winter) and some space to grow plants like tomatoes or herbs. I have read your articles about greenhouses and sola...

Posted by Julia Jedrys March 31, 2020, 6:47 p.m. Greenhouses and Sunrooms / Solariums 1 Responses

Can you use polyiso insulation on the exterior of a wall behind cedar siding on the west coast?

...thermal drift’ as the R value and thermal protection is reduced during very cold weather. So depending on your exact location, that may or may not be a factor w...

Posted by Iain Matheson Jan. 28, 2020, 10:38 p.m. Wall assemblies - renovation 1 Responses

How would I rectifiy problem of foundation wall cracks with finished basement?

...barrier on the inside basement walls. If the walls were removed (including tar paper, insulation, vapour barrier and drywall) would this be the best solution? I...

Posted by Terry P July 22, 2020, 7:07 p.m. Basements improvements 2 Responses

Can you spray foam a house from the outside?

...barrier , and as long as you have at least 2 inches it would also be a suitable vapor barrier , and it will offer you thermal protection with the highest R valu...

Posted by Joan Lawrence July 11, 2019, 7:17 p.m. Wall assemblies - renovation 3 Responses

Basement reno - How do I effectively insulate my basement?

...thermal protection, and at 2 inches EPS is about 1 US perm, which is the permeability rate at which a material is classified as a suitable vapour barrier for re...

Posted by Steve J Feb. 13, 2019, 10:25 p.m. Foundation and basement improvements 2 Responses

What is the best way to insulate rim joists with EPS and batts?

...barrier and the thermal barrier. For an air seal, you may want to actually do that first, which could be a simple matter of applying caulking or acoustic seal t...

Posted by Steve J July 18, 2019, 3:53 p.m. Basements improvements 1 Responses

Is it possible to reconcile installing a wood stove in a airtight, super-insulated house?

...barrier continuity can be maintained but when the stove is not in use it would represent a significant heat loss. We talk a lot about airtightness , air barrier...

Posted by rick seward Dec. 23, 2018, 2:49 p.m. Wood stove and biomass heat 1 Responses

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

...barrier, some are not. Some are air barriers, some are not. XPS foam insulation at about 1 inch thick will act as a vapour barrier, EPS foam insulation will sta...

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

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

...thermal batteries / but I can't tell how close to a passive / pretty-good-house their R value brings them. I'm hoping to get some feedback and possibly alternat...

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

What is the best way to frame window openings when adding exterior insulation?

...barrier membrane comes up into the rough opening, we then put Rockwool insulation between the frame and rough opening and finally taped the windows to the air b...

Posted by Anwas Qwelten May 30, 2019, 8:16 p.m. Windows and doors 1 Responses

What type of Insulation can I use on the exterior of my home?

...barrier’ anyway, just with a few generations worth of oil paint being applied. What you are likely missing at this point is an effective thermal barrier and air...

Posted by Scott Muller April 18, 2019, 2:19 p.m. Wall assemblies - renovation 6 Responses

Can you add external insulation to a brick home?

...barrier / air barrier, then strapping and your final siding. The only thing that might prevent you from doing this are municipal bylaws, which sometimes in ol...

Posted by Rachel Kaiser April 2, 2020, 9:11 a.m. Wall assemblies - renovation 1 Responses

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

...thermal 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 , br...

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

What windows should you use when trying to build a Passive House?

...barrier in roof system ( Hot roof). Both exterior and interior will be clad with log siding. I wanted to use wood windows to maintain as much as a rustic feel...

Posted by Raoul Lions Jan. 25, 2019, 2:18 p.m. Windows and doors 1 Responses

Is EPS or XPS better for use in basement rim joists? Should faced or unfaced foam boards be used?

...barrier’ in residential constrution . So that would be sufficient for us, and if you get one with a foil membrane then it is even less permeable that XPS, becau...

Posted by Thomas Dispenza Sept. 8, 2019, 12:43 a.m. Basements improvements 6 Responses

What is the right amount of insulation for a house?

...barrier and vapour control layer. If you do go for modelling then that company or person should be well-versed in building science. Here are a few links that ...

Posted by Ryan Gerbrandt Feb. 11, 2019, 9:57 a.m. Passive solar home design 4 Responses