Moldy basement / Discussions

...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 if you put plastic against it, condensation will form. Installing polyethylene vapour barriers is the worst ...

...basement or crawlspace you are at risk of radon gas contamination, so venting is good for now but I would think of a longer term solution. The whole Ottawa Valley area of Ontario is unfortunately a real hot spot for radon gas in homes, so see our pages on mitigating radon gas in basements, including how to remove radon...

...Basements How much insulation does a basement need And for house shopping in case you ever move….Crawlspaces or Slabs, Which is Better? How to Choose the Right Rigid Foam Board What causes frost heave and how to prevent it And about venting crawlspaces, that can be a problem depending on where you live. The foundation...

...basements Building better basements: how to insulate your basement properly If you look at some of the diagrams in that page you will notice a few things that you may want to include in your renovations, specifically raising the bottom plate up on foam blocks to prevent water damage in case of flooding, that will also ...

I am redoing a basement wall that has a lot of moisture and has rotted the studs I see you mentioned to do drywall, studs with mineral wood then 2" of rigid insulation attached to block foundation would it be ok if I put Delta MS against the block foundation then apply the rigind insulation Thanks for your help. Puttin...

...basement and wasn't sure if the tar paper even really did anything or its an old practice the contractor was used to doing? Basements are often moldy, and unfortunately even after basement renovations are completed because people usually rebuild them in the same way, which would meet Einstein’s definition of insanity –...

...basements properly -  How to insulate a basement and protect it against water damage and flooding Bulk water directed towards your foundation will also raise the water table, so it's not a great surprise that it will find its way up through the junction between walls and the floor. It’s hard to give you accurate advice...