Quick-Card Construction Estimating - Masonry Estimating laminated full-color 4-page Author:BUILERS BOOK INC. This 4-page guide provides a collection of the formulas, quick look-ups and reminder lists for the masonry estimator. Masonry Formulas, Mortar Types, Brick Sizes, Brick Types, Concrete Masonry Unit (CMU) Sizes, Formulas for Areas Square Measure, Concrete Cubic Yards, Much More!