Styrofoam / Discussions

...Styrofoam But here’s the short story – XPS will work fine.  Put it right against the concrete, it will save energy in heating, make you more comfortable and prevent moisture in the concrete from wetting the stud wall and causing mold. EPS insulation at 2 inch thick will also insulate and stop moisture, the difference i...

I framed my basement, however I wasn't going to insulate my basement because I have a wood stove, and it stays pretty warm. But I feel for summer I want to have some insulation to keep it cool. Can I put foam board in between my studs and tac nail it? You could put foam between the studs, but why not batts? Were you ch...

Building a new raised bungalow in Ontario. Basement will have 9' ceilings, 5 ' concrete wall and 4' knee wall built with 2x6 and batt insulation r22. Should I run rigid insulation inside the foundation wall up the concrete and cover the knee wall as well? If so what product makes the most sense? Basements are more susc...

...styrofoam 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 worth the cost or am I going over board?   What you describe would work, and as you suspect I think it may be overkill, but its very hard to say. To know ...

...styrofoam forms a good idea? To find the most efficient Passive House wall, if your intention is to reduce your carbon footprint, starts with choosing materials with low-embodied energy.  Different insulation materials will have different R values per inch - which affects the energy required to operate a Passive House ...

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 available, is my best alternative still mineral wool? We have reason to believe that sometime in 2020 there will be a switch to HFO blowing agents with a much lower Gl...

We have a concrete basement in decent condition that's about 20 years old in Boulder CO and having had mitigation installed for high radon levels we now want to use the room more. It's currently completely unfinished, nothing on the walls - what's the best way for us to finish and insulate our basement so it's easy to ...