Material options, pros, and cons
Damp proofing or waterproofing are current code-required for new construction. This can be a DIY process, but professional damp and waterproofing companies spray this material onto the foundation wall, versus rolling it, which means it fills all the little divots and pockmarks, and this is highly preferred. 
What is the difference between damp proofing and waterproofing?  Both approaches incorporate a liquid membrane, but waterproofing’s properties can repel even pressurized water. Damp proofing, by contrast, is less robust, and is capable of repelling existing ground water, rain / snow runoff, etc. In most cases, damp proofing is all anyone needs, but with Mold Illness, I recommend waterproofing, if it’s financially possible. 
Waterproofing costs roughly $1 per square foot more than damp proofing and the finished product is black in color. See the image below. 

There are also numerous other products, some of which are applied to ...