b2000mThe Ultimate Guide to All G-SHOCKs — composed by Experts Can’t choose between G-SHOCK MTG-B3000, MTG-B2000 and MTG-B1000? Enjoy our comparison tableB2000 B2000 is an acrylic-modified cementitious dry mix base coat desned for use over Expanded Polystyrene (EPS) Insulated Concrete Forms (ICF). B2000 forms a strong