Partially Used, ~3 Gallons in well sealed can for $20
Full 4.75 Gallon can = $60
SealBest® Professional Grade Non-Fibered Foundation Coating is a professional grade sealer and waterproofer for all types of surfaces. Ideal for coating foundations, above or below grade, it will also add years of service as it rustproofs metal, preserves wood, waterproofs stone or brick, and rejuvenates composition roof surfaces. The coating dries black.
Features (from Menards link)
Penetrates, preserves, and protects roofs, foundations, barns, and most other surfaces
Use for coating entire surface area above or below grade
Prevents leaks in roofs around chimneys, flashings, and valleys
Forms a durable waterproof membrane
Covers approximately 450-500 sq ft per 4.75-gallon pail for metal roofs
Covers approximately 375-500 sq ft per 4.75-gallon pail for concrete and masonry surfaces
Covers approximately 325-450 sq ft per 4.75-gallon pail for wood or composition roofs
Covers approximately 250-400 sq ft per 4.75-gallon pail for worn roofing