DryBarrier Systems Inc DryBarrier® is a subfloor system that is mold and mildew resistant. Protects and adds warmth to finished floors on concrete slabs. #DryBarrierThe DryBarrier Difference:- Easy to Install and Reinstall- Mold/Mildew Resistant- Water Resistant- Protects Air Quality- Durable (Up to 11,500 lbs per square foot)- 3/8" Low Profile