Basement mold / Discussions

...mold has potential to grow between the stud walls with the rockwool insulation and the closed cell spray foam.  My concern with trying to fill the void will also likely have air gaps and the rockwool gets pretty beaten up when stuffing it between the studs and the uneven closed cell foam.  Morevoer, the alighment with ...

...basements properly so they won’t go moldy Wood studs will almost certainly be wet when you buy them and install them, that is what you need to allow to dry to the interior since they can’t dry to the exterior. Putting wood studs against a basement wall and then putting plastic over them is why almost all basements smel...

...basement need?  As for carrying out the work, is there a history of flooding? It would be smart to install a sump pump to avoid basement water damage before you install a new floor.  And as for best technique, see this page here –  Preventing mold when you insulate your basement Once you’ve laid insulation down, you ca...

...basement wall then anything behind the vapour barrier will also stay wet. Learn more on this page –  Why basements are moldy and how to prevent mold when building and renovating basements. If you assume the basement wall is wet and build accordingly, you can avoid mold issues. See our best practices for basement constr...

...basement. Moisture is building up in the insulation because the wall is trying to dry to the inside but it is being prevented from doing so by the poly vapor barrier. This page explains what a mistake a basement vapor barrier is -  Why are Basements Moldy? How to Fix & Prevent Mold in Homes A dehumidifier is a good...

...basements, and for a few more tips you could check out this page -  How to Insulate Basements Properly And to address your question specifically, in a perfect world yes, you would do it all and continuously. If you are simply not going to insulate your laundry room, you are still better to do the rest of it than not at...

I'm trying to insulate Rim joists /cripple walls in basements have read about three methods using EPS & batt with slightly different orders. Plan to insulate concrete walls with 2" of EPS, with 2x4 framing (filled with rockwool batt), and then drywall. Which one of these approaches should I use?  1) Sandwich multip...

...basements.  Basements and basement walls work differently in summer and winter than walls exposed to air .  Basement walls are always cold but touching earth on the other side that could be 99% humid . So the wall needs to dry to the interior right ?  How would smart vapor retarder work in winter   If wall gets wet fro...

The top half of the walls have pink fibre glass insulation covered with clear plastic and a black plastic border nailed into the concrete but the bottom half of the walls are left uninsulated. I have a wood framed 2x4 wall an inch off the concrete. How should I insulate the bottom before putting up drywall? Thanks 

...basement, it’s the ground and the wet concrete. So the only way moisture can escape is into the air of the house, which is not a bad thing as you can then deal with it with a dehumidifier. See more here –  Why basements are moldy and how to prevent mold during basement renovations If you have cut open the poly vapor ba...

...basement:  Preventing mold when you insulate your basement The difference between Polyiso, EPS & XPS rigid insulation boards I have a few questions that will help us pin down the best way forward for you - How old is the home? Is there an exterior membrane on the basement wall? And have you ever had any flooding ...

...basement renovation and have been doing some reading on your website only recently. I'm realizing that I may have made some mistakes and would like your advice as to what direction to take in order to minimize future problems. The basement was partially finished when it flooded after a 100mm Ottawa area rain event in O...