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Line Items, Assemblies, and Unit Costs Explained
Three terms show up constantly in repair estimates and are frequently used loosely even by people who work with them every day: line item, assembly, and unit cost. Each has a distinct meaning, and mixing them up is a common source of confusion when two estimates for...Browse the full Resources Index
Waste Factors in Roofing and Siding Estimates
Every roofer knows the frustration of ordering exactly the calculated square footage of shingles and coming up short at the end of the job. Roofs and walls are not perfect rectangles, and cutting material to fit hips, valleys, dormers, rakes, and window and door...Browse the full Resources Index
Starter and Ridge Waste Calculations
Starter shingles and ridge cap are two of the smaller line items on a roofing estimate, yet they generate a disproportionate share of questions once two estimates are compared side by side. Both are calculated differently from field shingles, and knowing how helps...Browse the full Resources Index
Labor Minimums and Small Repair Pricing
A single cracked windowpane or one section of dented gutter might represent only a few dollars of material, yet the labor line attached to that repair on an estimate can look surprisingly large relative to the job. This is not a pricing error; it reflects a concept...Browse the full Resources Index
