DuRock B2000 is an acrylic-modified cementitious dry mix base coat designed for use over Expanded Polystyrene (EPS) Insulated Concrete Forms (ICF). B2000 forms a strong yet flexible, crack resistant base coat that is intended for use on the exterior, above-grade portion of ICF foundation walls. B2000 has high flexural and bond strength, is water vapour permeable, and has excellent freeze/thaw stability with low water absorption and low shrinkage.