Exterior insulation / Discussions

...insulation. This allowed for cold air to come in easily and for a major bug infestation. We are re-doing the outside insulation. We will put soft rockwool (batten) right against the wood beams on the outside. Then an air barrier- WRB (as sealed as possible), then another layer of continuous rockwool board, followed by ...

...insulation outside. I would like to know what you think about all that. All the best David

...insulation on a house. A Larsen Truss is a wall design that is sometimes used for super energy efficient homes. Larsen trusses refers to framework attached to the outside of sheathing to allow additional outboard insulation. see our article and DIY Larsen truss video here -  How to build a Larsen Truss wall for energy ...

...insulation is the best option, so here is our heat pump buyers guide for 2025 to help you choose the right one. Houses built in the early 1900s had no insulation, so either you have none or perhaps a haphazardly done job with perhaps some cellulose in the walls that likely has settled.

...exterior insulation and cavity insulation.  Is one better then the others for my location and build?  Thank you.   The wall assembly you list with a combination of interior and exterior mineral wool insulation will work fine. Mineral wool on the exterior of walls is in general a safer option that foam insulation as min...

...insulation. Specifically there is a ThermalWall EPS foam panel from Legalett that is perfect for such renovations, it attaches easily with short screws and breaks the thermal bridge to reduce heat loss.  The one thing to remember is to keep at least 2/3rds of your insulation on the exterior of the vapor barrier. so in ...

...insulation (the best products, the order of application/installation, etc.) to get the most efficient and durable air/water/vapor barrier. We would like to get expert advice, since this is a crucial part of the house and we need to get it right, especially since the weather conditions are extreme here.   Nathalie and J...

...insulation is an air barrier applied to the exterior then insulation then an exterior like painted wood or something engineered.  Should we use a foam insulation or could that lead to vapour issues?  Thanks!!

...insulation to install.  And to be sure I understand, it sounds like your preferred finish is to leave the rafters and bays between them open as the interior finish, which would mean insulating the outside. If that is the case, yes you can, you would want to insulate it the way you would exterior walls, and then install...

...exterior walls of a home to improve energy efficiency, you have to make sure walls can dry. Applying spray foam directly to the back siding of your cladding doesn’t sound like a good idea to me, but I’d need a few more details. And first check out this page to see how we install siding –  How to install exterior siding...

...exterior (not zip-r which is insulated) & want to add 1" rigid foam to the exterior with open cell on the interior. Or 2" closed cell with r13 bath insulation.  Which combination above would be best? Also would there be an issue with installing one inch foam directly to zip? Planning on attaching until siding direc...

...exterior insulation and the windows sat on the 5.5 inch framed wall, so the windows were pretty much ‘mid’ insulation but the weight was seated on the framed wall, and the window boxes where only to support the insulation above and for closing the very exterior with furring strips to accommodate siding. You can see the...

...insulation to the outside and not infringe on setbacks from neighbours. The thing about adding insulation to the outside, is that you are going to incur costs for labour no matter how thick you go so more is usually better in this case. Especially if, as you say, there isn’t much insulation in the walls already. One of...

...insulation because moisture moves through it easily, or I would go thicker with something like the Thermal Wall foam insulation panels. Take a look at those pages and come back with any questions you have.

...exterior, so first check here on our page all about exterior insulation methods –  How to insulate exterior walls from the outside When you say the walls are insulated but you don’t think it’s done well, I’m wondering why that is – did you have an energy audit, or is it high bills or a chilly interior that brought you ...

...insulation is no great concern, and you could blow in cellulose without causing any problems, but there is an easier and cheaper way. First check out this page on insulating the exterior of walls, and your question is sort of answered in there anyway – The best way to insulate walls is from the exterior Since you’re al...

...exterior foundation insulation is an excellent idea. It’s great to have on the inside of basements, but exterior insulation is even better as you keep the thermal mass of concrete warm to help regulate interior temperatures.   You will have a choice between foam panels, we would recommend EPS rigid foam instead of XPS ...

...insulation in the wall cavity. The foil based rigid foam panels may be EPS, but they also may be polyisocyanurate insulation. Do you know which they are? This page here can help you identify them as well as learn the characteristics and best uses. Choosing the right Rigid foam insulation panels And to answer your quest...