Foam blowing agents / Discussions

Can you spray foam a house from the outside?

...foam from the outside. It seems we could also drill holes and blow spray foam in without removing the sheathing. Now that the blowing agents are more eco-friend...

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

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

...blowing agents) can be found at this page here, so have a look as it will likely answer most of your questions - New HFO spray foam blowing make it over 1,000...

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

Can I purchase XPS made with HFOs?

...blowing agents with a much lower Global Warming Potential (GWP), but no manufacturers of XPS insulation have switched blowing agents yet. So as it stands, any X...

Posted by Kate Noblio Dec. 14, 2019, 12:35 p.m. Insulation and soundproofing 3 Responses

What is the best non toxic insulation for a house?

...foam will be a choice you are happy with . Outside of the less harmful blowing agents, there is still the reality that any material that spray foam is applied t...

Posted by Jude Smith Sept. 10, 2021, 10:12 a.m. Insulation and soundproofing 1 Responses

Can you use spray foam Insulation under a slab?

...foam and why – 4th generation blowing agents for spray foam If you need it as a vapor barrier, air barrier, or to insulate difficult areas like basement rim...

Posted by Linda Martin April 6, 2020, 11:54 a.m. Slab on Grade 1 Responses

Do you have on a category on insulating vans?

...foam. That would provide a high per-inch R value, but the air tightness an be affected as spray foam is not flexible once it sets, so if your bounce it down the...

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

How do you insulate an exterior wall from the outside?

...foam manufacturers have switched to climate friendly blowing agents , so we’d suggest you try one of those. As for options other than spray foam, this page shou...

Posted by Stuart Seldon Feb. 11, 2021, 12:21 p.m. Wall assemblies - renovation 1 Responses

Is spray foam a good way to insulate a house from the exterior?

...blowing agents that are much safer , you can find them in this page – New blowing agents for spray foam insulation don't cause climate change I would go ahe...

Posted by Simon Levitt Dec. 21, 2020, 2:14 p.m. Wall assemblies - renovation 1 Responses

What do you think of insulated T Studs in Canada?

...blowing agents was as high as 1,430, where the GWP of the new HFO blowing agents is only 1, meaning that HFO blowing agents are on par with Carbon in terms of t...

Posted by Lee Watt June 3, 2019, 10:57 a.m. Wall assemblies - new construction 1 Responses

How do you fix a moisture problem in a finished basement?

...foam your basement walls, there are currently two companies that have switched to much less harmful blowing agents, Demilec and Elastochem, so check with potent...

Posted by Margo MACFARLANE Oct. 28, 2019, 10:24 a.m. Foundation and basement improvements 1 Responses

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

...blowing agents with much lower GHGs (green house gas emmisions), you can read about that here - Where to find spray foam with eco-friendly blowing agents. O...

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

What is the best foam board insulation under drywall?

...foam board insulation attached to the stud and seams taped. Then I would set 1/2" drywall on top of the foam and attached with long screws. Does this sound li...

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

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

...blowing agents with a much lower Global Warming Potential (GWP), but no manufacturers of XPS insulation have switched blowing agents yet. So as it stands, any X...

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

How do you re-do the insulation on a old cabin from the outside?

...foam insulation with eco-friendly safer blowing agents with low greenhouse gas emissions How to install siding so walls can dry The way you describe the vapor...

Posted by Raphael Couture Sept. 14, 2020, 8 a.m. Wall assemblies - renovation 3 Responses

Do I need to spray foam the ceiling of my crawl space to help winterize it?

...foam, so if you go that route I would pitch you the idea of choosing a spray foam with blowing agents that reduce greenhouse gas emissions . And the last poin...

Posted by Sheilagh Thompson Jan. 21, 2021, 1:48 p.m. Crawl spaces 1 Responses

What is the best underfloor insulation type for radiant floor heat?

...foam with less harmful blowing agents that are also less toxic for occupants. How wide are the spaces between joists? Is batt insulation even an option, and can...

Posted by David Irwin July 12, 2020, 6:48 a.m. Heating and cooling 1 Responses

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

...foam is a viable option, though it is certainly not cheap. And if you do it we would highly recommend you source a spray foam brand with eco-friendly blowing ag...

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

How do you Insulate a 3 season cottage?

...foam, and we specifically recommend looking for a brand that has switched ot safer blowing agents. At this point we know of two - Demilec and Elastochem, but wi...

Posted by Terry Skindilias April 23, 2019, 9:27 a.m. Wall assemblies - renovation 4 Responses