Lehigh White Masonry Cement Delivers Unsurpassed Design Flexibility Words: Bronzella Cleveland Lehigh White Masonry Cement 8-3-2016 Sponsored Content Lehigh White Masonry Cement is a blend of white portland cement and finely ground white limestone, combined with process additions that enhance water retention, workability, boardlife and durability. Our masonry cement is manufactured to exacting standards to meet the ASTM C91 specification for Masonry Cements. Lehigh White Masonry Cement is brighter, better-looking and more consistent. Combining it with clean white sand produces bright white mortar. When combined with colored sand and or pigments, masons can produce a wide a range of color schemes. Lehigh White Masonry Cement delivers unsurpassed design flexibility.