How much does bentonite waterproofing cost?
25/10/2021 · The average bentonite price is typically 85 per ton. The average price for a bentonite sheet is 5 per square foot. How much bentonite you'll use depends on soil characteristics. You can use anywhere from 3 pounds to 10 pounds per square foot. Let's take an example. Let's say you want to waterproof your 1,000 square foot basement. Based on the soil .