Foam / Discussions

Can you add external insulation to a brick home?

...Foam Insulation & Styrofoam Rockwool isn’t harmed by moisture and it lets moisture move right through it, which is a very good thing to use for an exterior in...

Posted by Rachel Kaiser April 2, 2020, 9:11 a.m. Wall assemblies - renovation 1 Responses

What do you think of insulated T Studs in Canada?

...foam. However, if the company that makes these insulated wood studs is building them in partnership with spray foam manufacturers that have changed to safer b...

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

Can you Insulate a cinder block basement foundation with Rockwool?

...Foam board would be ideal but it is out of question because of termite concerns. Please advise Thank you Hi Victor, Word on the street is that mineral w...

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

Why is there fost on underside of roof deck in overhang?

...foamed so that the "rim joist" of the roof is spray foamed as well as the under deck of the roof area. I do however have led wafer lights in the soffitting and ...

Posted by George Paul March 23, 2020, 12:10 p.m. Roof assemblies - renovation 2 Responses

How do you know when its time to replace windows?

...foam for air sealing, we’re not big fans of that as we have seen some failures. Cured spray foam is not at all flexible, so if there is any shifting of the hous...

Posted by Ted Dec. 11, 2017, 12:50 p.m. Windows and doors 1 Responses

What is the best approach to insulate the floor in a tiny home, build on a trailer?

...foam, and your suggestion of Rockwool (formerly known as Roxul and technically called mineral wool) insulation is a good one. Here is a page to the best Tiny ho...

Posted by Dustin Hartwig May 28, 2020, 4:31 p.m. Tiny house 1 Responses

What type of Insulation can I use on the exterior of my home?

...Foam Insulation & Styrofoam There are rigid insulation boards that will act as the insulation only, insulation and air barrier only, or all in one - insulatio...

Posted by Scott Muller April 18, 2019, 2:19 p.m. Wall assemblies - renovation 6 Responses

How do you finish the exterior of slab on grade?

...foam foundation kit, all you need to do is parge it. See below the slab under construction.

Posted by Dave Derouin Oct. 18, 2018, 1:45 p.m. Slab on Grade 1 Responses

Should you put insulation on the outside of a cinder block wall in a desert?

...foam board then tar board chicken wire then stuco then paint with elastromeric/ sand mix, all to keep out heat. Styrofoam or no Styrofoam is the question. is it...

Posted by Michael Apodaca March 9, 2020, 3:10 p.m. Wall assemblies - renovation 1 Responses

How do you insulate a crawlspace?

...foam or Rockwool (Roxul) that is not affected by moisture, so it’s much safer to have in a potentially humid environment like a crawlspace. Insulating between t...

Posted by Drew Weistend Nov. 14, 2017, 9:22 a.m. Crawl spaces 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

Can I add Larsen Trusses and cellulose to 1920s House in Minneapolis?

...foam would in itself act as a vapor barrier and react as you suggest, but with dense packed cellulose insulation, moisture would migrate thought the wall in win...

Posted by Ken Traefald Feb. 17, 2020, 2:30 p.m. Wall assemblies - renovation 3 Responses

Can I purchase XPS made with HFOs?

We start a new residential build Spring 2020. Can I purchase XPS panels with HFOs anywhere? If not, any idea when they will be available? If they aren't availa...

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

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

...foam, at least 4 inches, better would be 6 or 8 inches if you can, but not more than that. Below is a thermal model of what a floor would like in a climate si...

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

How do I get rid of carpenter ants?

...foam, that will help you determine if they are drifters or residents. it’s worth investigating closely to see if there is any moisture damage.

Posted by Shawn B Nov. 14, 2017, 10:27 a.m. Pest control 1 Responses

How do you seal up an old fireplace chimney?

...foam, it is easily disassembled if needed so you may be able to use the existing chimney for a wood stove or a gas or wood fireplace insert in the future if you...

Posted by Gord Nov. 2, 2017, 10:06 a.m. Wood stove and biomass heat 3 Responses

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

I have an older home in Toronto with plaster lathe walls with no insulation behind them. I want to insulate the walls but not remove the plaster as it's still ...

Posted by Geoff Kavanagh June 30, 2020, 4:01 p.m. Wall assemblies - renovation 2 Responses