Exterior insulation / Discussions

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

...exterior porch built. Now the back wall to the building is letting in cold air. I need to insulate the building. When renovating exterior walls you need to obse...

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

What is the best way to super insulate the exterior of our 1975 four level split home?

Our idea is to 'double strap' the exterior. First, the siding is in excellent condition and is the masonite type that was fairly common in the that time period...

Posted by Dan LLC Properties Dec. 26, 2020, 4:03 a.m. Wall assemblies - renovation 0 Responses

Can you use Hemp insulation to insulate a metal structure?

...insulation on either side of metal, like putting batts of insulation between metal studs on exterior walls you will have unnecessary heat loss . Read more here ...

Posted by Jen Moffat Sept. 23, 2020, 1:16 p.m. Insulation and soundproofing 1 Responses

Is it possible to do a mono pour if you have a covered porch?

...insulation? The section where the thickened edge of the slab meets the covered porch must require insulation? Yes, you can do a mono-pour for a slab on grade ev...

Posted by Frank Gascon Aug. 10, 2020, 8:05 a.m. Slab on Grade 1 Responses

Can I spray foam insulate from the outside?

...exterior walls more structurally sound, adding strength to a home and making it more durable. Insulation in the exterior walls is more prone to becoming damaged...

Posted by Kurt Klischuk June 6, 2019, 8:56 a.m. Wall assemblies - renovation 3 Responses

Do frost lines where studs are on a wall show a failure of spray foam insulation?

...insulation in a wall assembly. The best method of wood frame construction would always include continuous insulation on the exterior of walls, without that yo...

Posted by Gerald Crozier July 22, 2019, 10:24 p.m. Insulation and soundproofing 1 Responses

What is the perfect wall assembly?

...insulation on the exterior of a Passive House. And another that makes a lot of sense is ThermalWall exterior insulation panels from Legalett . They are made f...

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

How do you seal windows from the exterior for water and air but not create a vapor seal?

...insulation, and wood sheathing on the exterior. With our window installation technique we had the same: a vapor / air barrier (tape) on the interior, insulation...

Posted by Piyush Prince Nov. 7, 2018, 12:10 a.m. Windows and doors 1 Responses

What do you think of Legalett Wall Insulation?

...insulation panel, so they eliminate or reduce heat loss through thermal bridging. So yes, it’s a great way to install EPS rigid insulation on the exterior of bu...

Posted by Igal H Aug. 19, 2020, 3:52 p.m. Walls and Roofs 1 Responses

Can you help with passive solar greenhouse exterior wall details?

...insulation type to create a thermal break / if that rigid insulation should be breathable. Trying to avoid moisture condensing inside the walls. We live in NW...

Posted by Rick Carter Aug. 11, 2020, 8:06 a.m. Greenhouses and Sunrooms / Solariums 1 Responses

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

...insulation . Alternatively you could use loose blown cellulose insulation . As for your question about sealing it, that is a very wise idea. You could have a ...

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

Any suggestions for improving insulation of a unique concrete building?

...insulation, is that the exterior structural walls will then be exposed to moisture and freeze every winter since you are preventing heat loss. This would be con...

Posted by Andrew Hurst Feb. 25, 2021, 4:54 p.m. Wall assemblies - renovation 1 Responses

How should I insulate basement Walls in climate zone 5?

...insulation on the exterior, along with reducing heat loss that will reduce the wetting of the concrete, but it will still likely have an endless source of moist...

Posted by Chad Johnson March 25, 2019, 8:33 p.m. Basements improvements 1 Responses

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

...exterior walls, but can only excavate about 50% of foundation due to concrete stairs and platforms around the exterior. Not really sure what to do at this point...

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

How do I waterproof a foundation from the inside?

...insulation and finishing you have, but proper exterior drainage and other storm water protection may solve the problem so definitely start with that and see if ...

Posted by Kurt Brenner Nov. 14, 2017, 9:47 a.m. Foundations and Basements 1 Responses

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

...insulation panels and how they could possibly pose a problem on the exterior of homes. Choosing between plywood and OSB sheathing – which is better? So the ...

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

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

...insulation is 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 carryi...

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

Can you Insulate a cinder block basement foundation with Rockwool?

...insulation, and airtightness. Our first suggested assembly for interior basement insulation would be a vapor barrier membrane directly against the concrete bl...

Posted by Victor B June 19, 2019, 11:41 p.m. Basements improvements 5 Responses