R value / Discussions

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

...rch either from the category menu or in the search bar. From there if you have questions we can for sure help, just try to break them up so they are easier to a...

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

How do you insulate a 3 season cottage?

...ructure in Vermont . The exterior verticle sheathing boards are the finished interior walls. The clapboard siding and wood trim and windows will be removed and ...

Posted by MARK E BROWN LLC Nov. 7, 2019, 4:57 p.m. Wall assemblies - renovation 0 Responses

Do I need to insulate under the footings of a frost protected shallow foundation?

...rizontal insulation required (distance increased from 12″ to 63″ and R-value from 1.7 to 11.4.) That seems like overkill as there will still be heat transfer fr...

Posted by Jon Piana April 15, 2019, 8:45 a.m. Slab on Grade 1 Responses

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

...R4-R5 foam component, and a water-resistive barrier coating or layer incorporated into it, eliminating the need for an additional house-wrap: Barricade Thermo B...

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

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

...r different applications You will read in that article a bit more about the ‘thermal drift’ as the R value and thermal protection is reduced during very cold ...

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

How much insulation should I install underneath my concrete slab in my basement?

...r XPS. I read xps is superior to eps - less water absorption, higher r value, longer retention of its insulation properties over many years. What are your thoug...

Posted by Scott Antonation Sept. 27, 2019, 1:06 a.m. Slab on Grade 3 Responses

What is the best to insulate metal structures for all seasons?

...r control layers (thermal barrier, air barrier, vapour control layer) on the exterior and simply follow the basic principles of building science for your climat...

Posted by Morgan Aldridge Jan. 19, 2019, 1:53 a.m. Wall assemblies - new construction 1 Responses

Do you have on a category on insulating vans?

...ry good air barrier, so you might want a separate membrane. There are two companies we know of that have switched to more environmentally friendly blowing age...

Posted by chantal fortier April 14, 2019, 2:08 p.m. Tiny house 1 Responses

What is the best foam board insulation under drywall

...rior as you plan, it has a built-in vapor barrier with the foil barriers on either side. So you wouldn’t need to add a 6-mil vapor barrier afterwards, you just ...

Posted by Wesley Pracht Jan. 11, 2020, 8:10 p.m. Wall assemblies - renovation 1 Responses

How do you best use polyiso insulation in a basement?

...re best for different applications EPS or Rockwool are typically our preferred products for basements due to their resiliency when exposed to moisture, where ...

Posted by Iain Matheson Jan. 24, 2020, 7:45 p.m. Basements improvements 1 Responses

What is the best way to insulate embedded joists in a basement Montreal Home?

...rebuild the floor structure of your home. Spray foam on rim joists of old homes is one of the few places we regularly recommend it, as any material with spray...

Posted by Emil Idf Jan. 7, 2020, 8:34 p.m. Foundation and basement improvements 1 Responses

What flooring options work with a passive solar design?

...rry too much about the color of your floor, or by putting a floor covering over your slab that makes you more comfortable and happy. Radiant heated floors per...

Posted by Christopher Dunn Feb. 23, 2020, 11:50 a.m. Passive solar home design 1 Responses

Which type of hot water pipe insulation is best?

...rs a better coefficient of thermal insulation (near R-4). If indoor air quality is a top priority for you, we would recommend you opt for the polyethylene foa...

Posted by Cooper Dec. 11, 2017, 2:36 p.m. Plumbing and water heaters 1 Responses

|s there thermal bridging in the Edelweiss REMOTE wall?

...rmal bridging. Did the software analysis however prove that this indirect degree of thermal bridging is so elongated (from outer screw through inner strapping t...

Posted by David Pantalone Feb. 9, 2020, 4:42 p.m. Wall assemblies - new construction 1 Responses

What are your thoughts on using large flax straw bales (4x4) to build in Saskatchewan?

...re hard to find now. Large bales are cheap and more compact (need less or no precompression). And what about footings? There can be more risk of insects and rod...

Posted by Al Birchard Nov. 11, 2019, 12:56 p.m. Wall assemblies - new construction 3 Responses

Spray Foam for basements, which of the different types are best environmentally?

...ray foam as an air barrier, a vapor barrier and for energy-efficiency by reducing heat loss, as it has one of the highest per-inch r values of commercially avai...

Posted by Rose Adams Jan. 9, 2020, 9:33 a.m. Insulation and soundproofing 1 Responses

Can you use spray foam Insulation under a slab?

...r spray foam If you need it as a vapor barrier, air barrier, or to insulate difficult areas like basement rim joists or to create a radon barrier in a crawl s...

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?

...read more here about choosing the best rigid insulation for exterior walls . Our recommendation would be that whatever insulation type you choose, extra R val...

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