Foxing on book ledge Small marks on cover R. S. Means Company, Inc., 1985, 248 pages Estimate construction costs with our industry-leading unit price books for building estimating. With the constant flow of new construction methods and materials, it can be a challenge for Owners, Construction Estimators, Architects and Engineers to find the time to evaluate all the different cost possibilities. RSMeans makes it easy for you, tracking labor and material cost changes so you’ll always have the most up to date and reliable pre construction costing information at your fingertips.