Prevent / Discussions

We are sitting at about -30C and ice is builidng up on almost all the windows. The humidty is registering at 40% on all levels, even though the HRV is set to Max. Is it possible that it is not functioning properly? Thanks in advance! The thing about condensation on windows, is that there can be a number of causes. 40% ...

An uninsulated footing under ICF block construction walls allows thermal bridging into the concrete core of the wall allowing energy stored in the thermal mass to bleed into the soil below. This is one of the problems with building ICF on a traditional concrete strip foundation. Is there any way to stop this advantage ...

...preventing it from drying. Despite it being allowed (and usually insisted upon), putting vapour barriers on basement walls does nothing good, but it does a lot of harm. You can read more here –  Why are Basements Moldy? How to Fix & Prevent Mold in Homes  The short story is that concrete is wet and dirt is wet, so ...