Remote wall / Discussions

Why is there moisture in the walls of my REMOTE wall construction?

Hello I finally built my shop! The final construction is gyproc, furring, r15 batts, 2x6, osb 1/2, membrane blueskin vp160, 2 sheets of 4inch EPS foam (total of 8 inch), furring, siding. I put Lunos for air exchanger. But I noticed some issues lately. I checked the osb under the batts and in some areas, it is humid. I ...

Posted by David Perreault April 8, 2025 Wall assemblies - new construction 4 responses

What is a larsen truss?

...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 efficient homes Larsen trusses were develop...

Posted by Tom Sweeney Dec. 2, 2024 Wall assemblies - new construction 1 response

Can you put exterior insulation over Zip System plywood?

...wall system up to minimum requirements of code, but it can in effect mean you are adding a second, and exterior vapor barrier, which is not a good thing in cold climates as it prevents walls from drying out properly. One key consideration here is moisture resistance in open cell and closed cell spray foam—closed cell f...

Posted by Bro Gore Jan. 8, 2022 Wall assemblies - new construction 1 response

How can I insulated the outside walls of a workshop without doing harm?

...walls. It’s well explained on this page –  How to Insulate Exterior Walls from the Outside Your current plan concerns me a bit, so I’ll try to lay out the variables at play here to better explain: First, foil is a vapour barrier, so that would be adding a vapour barrier to the outside of a building, which is bad thing....

Posted by Charley Nelson Aug. 27, 2021 Wall assemblies - renovation 3 responses

Is insulating an existing home from the outside a good solution?

...walls - our walls have insulation but it does not seem to be enough. Is insulating from the outside by building out something we should consider exploring with a contractor? We have one brick wall and the rest is siding. It seems a shame to waste all the interior fixtures to insulate. Thank you for any advice! Whenever...

Posted by Cate Prichard June 26, 2021 Wall assemblies - renovation 3 responses

What is the best way to do interior and exterior insulation in a cold climate?

...wall insulation with water barrier and vapour barrier.  Leaning towards rockwool as we are in a extreme fire zone.  From the inside out I am thinking Drywall, Vapour barrier, rockwool, sheathing, 2" rockwool, tyvek, rainscreen, siding.  Is this correct? It also appears there are a few rockwool products that can be used...

Posted by Joshua Eckhaus Nov. 17, 2022 Wall assemblies - new construction 1 response

In your Edelweiss house you use 2x6 studs. Why not use 2x4 studs and add 2" rigid on the inside?

...wall between the south-facing windows in the Edelweiss house are fully filled with 2x6s, and would have been much thicker if the structure were made out of 2x4s. Designs with higher levels of glazings are often 2x6 for this reason. The best is to drop the large windows and go for smaller openings, but the building site...

Posted by Tom Wagar Aug. 25, 2019 Wall assemblies - new construction 1 response

Can I spray foam insulate from the outside?

...wall can dry. Here is our how to install siding properly video, and another on how to install a weather barrier. And read here for more information about choosing breathable weather barriers. Most specifically, read our guide page to find the best way of installing exterior insulation to the walls of homes here Let us ...

Posted by Kurt Klischuk June 6, 2019 Wall assemblies - renovation 3 responses

What do you think of insulated T Studs in Canada?

...wall assemblies and improve the overall thermal performance of a home as well an increase home durability, which is what happens when you build more efficient homes. What I DON’T really like at a glance is that they are insulated with spray foam. However, if the company that makes these insulated wood studs is building...

Posted by Lee Watt June 3, 2019 Wall assemblies - new construction 1 response

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

...walls. And here's another page all about how best to insulate exterior walls from the outside on older homes. Have a read over that to get some ideas and send us more details if you like and we can help come up with a solution - are you planning to strip it to the studs? And did you have a performance goal in mind (as ...

Posted by Mark Aussenegg Nov. 26, 2018 Wall assemblies - renovation 1 response

What is the best way to insulate the exterior walls of an older home?

...walls with no insulation behind them.  I want to insulate the walls but not remove the plaster as it's still in excellent condition.  My house goes right to the property line on two sides and the exterior shell is cedar board/insulbrick covered by vinyl siding.  I would like to stip it to the cedar board, putting a wra...

Posted by Geoff Kavanagh June 30, 2020 Wall assemblies - renovation 2 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 design of ThermInsulation screws when insulating with EPA? What is your batten material?  If rigid enough to receive a bit of pressure from the screw head without muc...

Posted by Mike Taylor April 7, 2020 Materials and resources 2 responses

Can you add external insulation to a brick home?

...wall is actually a good idea to help protect them. When insulating the exterior of an existing house we often recommend Rockwool, it’s a recycled mineral wool rigid insulation , read more here –  The difference between Polyiso, EPS & XPS Foam Insulation & Styrofoam Rockwool isn’t harmed by moisture and it lets ...

Posted by Rachel Kaiser April 2, 2020 Wall assemblies - renovation 1 response

What ext. wall assembly is recommend for a timber frame house (heavy timber)?

...wall assemblies, but if fire prevention is your concern, I would be looking at things like Metal or stone siding, anything non-combustible. As for insulation, I would suggest maybe Rockwool (mineral wool) insulation as it is spun from stone dust and is fire proof. Here is our page on Choosing Insulation which will give...

Posted by Heath Jarrett March 10, 2020 Wall assemblies - new construction 1 response

Is there thermal bridging in the Edelweiss REMOTE wall?

...wall assembly, the thermal bridging is drastically reduced. There are other attachment systems, such as the fiberglass Cascadia Clips that also reduce the thermal bridging to being negligable. The double strapping system is similar in effect, we just chose that system to keep it fairly normal looking in the eyes of bui...

Posted by David Pantalone Feb. 9, 2020 Wall assemblies - new construction 1 response

Is it OK to put 1 inch of EPS under vinyl siding with no wall insulation?

...Walls have no insulation, siding is T-1-11 from the sixties would like to put 1 inch EPS under vinyl siding. the building is pretty well built. no sagging parts no gaps no structural issues, drywall in good shape. would the 1 inch EPS under vinyl siding be a problem with condensation on inside of walls would vapor barr...

Posted by Roger Smith Nov. 12, 2019 Wall assemblies - renovation 7 responses