Stephen, we would highly recommend cork flooring for basements.
- Bugs, mold, mites and even termites are repelled by cork due to a naturally occurring substance in cork called suberin.This waxy substance also prevents cork from rotting even when completely submerged in water for long periods of time.
- Cork is a natural insulator and naturally maintains a comfortable median temperature, never getting very hot or very cool.
- Cork reduces the transmission of sound and vibration, making it an ideal basement flooring.
- It is super easy to install and maintain, and will last the life of your home.
The best thing about cork, of course, is that it is actually made from the waste of the cork wine-stopper manufacturing process so cork flooring is a recycled product. All pigments, varnishes and adhesives used in producing cork tiles are water-based, solvent-free and have no VOCs.
It may run a bit more than $3/sq ft, but the time saved in installation, maintenance and life-cycle costs will save you in the long run.
For more information:
Read more about cork flooring pros and cons in GreenHomeGuide's Flooring Know-How.
Also, read Mari Strain's Q&A "Is cork a good flooring choice for a basement? Will my cats damage the floor?"
And there's also great advice inMary Cordaro's Q&A "I just finished my basement. Can you help me choose mold-resistant flooring?"