Skip to main content
The Fennec Lab

NRCA / NCCI 5551 / state-specific storm claim statutes

Roofing Contractor Operations Calculators

Roofing-contractor operator economics: per-square bid estimating with NRCA labor productivity by material and pitch, actuarial workmanship-warranty reserve pricing, ACV vs RCV storm-damage claim modeling under state statutes (FL §627.7152, TX Ch. 542, CO HB-23-1273, CA SB-824), and roofing-business acquisition valuation across individual / strategic / PE-platform multiple bands.

Anchored to: NRCA labor productivity benchmarks; NCCI Class 5551 (highest WC rate in the standard manual); state storm-claim statutes; manufacturer-certified-contractor programs (GAF Master Elite / Owens Corning Platinum / CertainTeed SELECT / Carlisle); BizBuySell + IBBA acquisition data

4 calculators live. Reviewed against current statute and regulation. Last updated 2026-05-17.

Most-used calculators

NRCA (National Roofing Contractors Association) labor productivity benchmarks and roofing-systems estimating standards

Roofing Contractor Bid Estimator Calculator

Screen a defensible roofing bid by stacking squares, pitch-adjusted labor, tear-off layers, material system, accessories, dump fees, overhead, and target margin. Models NRCA labor productivity benchmarks (asphalt 1-2 hr/sq, metal standing-seam 2-3 hr/sq, tile 3-5 hr/sq, TPO 1-2 hr/sq), supplier midpoints by material system (asphalt 3-tab $75-$125/sq, asphalt architectural $125-$200/sq, metal standing-seam $700-$1200/sq, metal exposed-fastener $400-$700/sq, concrete tile $600-$1000/sq, clay tile $1000-$1500/sq, TPO $400-$700/sq, EPDM $400-$900/sq), pitch productivity multipliers (steep 1.3x, very steep 1.6x), waste factor by system, and the fully-loaded labor rate which carries NCCI class 5551 (roofing) workers' compensation — the highest commercial WC rate in the standard NCCI manual at $25-$60 per $100 of payroll. Outputs total squares, labor hours, material cost, recommended bid, and bid per square. Tool, not advice — final bid must account for manufacturer-certified-contractor program requirements (GAF Master Elite, Owens Corning Platinum, CertainTeed SELECT ShingleMaster, Carlisle authorized applicator), local permit and disposal rules, and OSHA 1926 Subpart M fall-protection rigging on steep slopes.

Insurance industry actuarial convention for loss ratio targeting (healthy 50-80%

Roofing Workmanship + Manufacturer Warranty Pricing Calculator

Price the workmanship warranty reserve on a roofing install using actuarial inputs. Stacks expected annual claim rate (industry midpoint 0.5-1.5% of bid value per year on workmanship-attributable failures), claim severity (industry midpoint 30-60% of affected install cost), workmanship term (5/10/15/25/lifetime), and target loss ratio (insurance industry convention 60-70% healthy) to compute the recommended warranty premium per square and as a percentage of bid. Models the manufacturer-certified-contractor uplift bands (GAF Master Elite, Owens Corning Platinum Preferred, CertainTeed SELECT ShingleMaster, Carlisle authorized applicator) that extend the contractor's workmanship warranty AND command the 5-15% credentialed bid premium. Surfaces the implicit loss ratio absorbed from net margin when no warranty premium is separately charged — a 1%/year claim rate × 10 year term × 50% severity = 5% of revenue eaten from the CFMA 12-20% specialty trade margin. Tool, not advice — actual warranty pricing must account for individual loss history, regional warranty statutes (e.g. F.S. 489 requires 1-year minimum on Florida residential GC work), customer mix, and manufacturer-program tier.

Xactimate pricing platform (the dominant property-claim scope-and-pricing platform

Roofing Storm Damage Insurance Claim Estimator

Screen the insurance claim economics on a storm-damage roof. Stacks contractor scope (RCV), roof-age depreciation by material class (asphalt 5%/year, metal and tile 2%/year, single-ply membrane 4%/year, capped at 80% of RCV), policy form (ACV-elected versus RCV-elected), deductible (percent of dwelling coverage or flat dollar amount), expected claim approval probability, and Xactimate-convention contractor scope mark-up (industry-standard 10% overhead + 10% profit on storm-damage scope when three or more trades are involved). Outputs gross RCV settlement, gross ACV settlement, depreciation holdback (released on work-complete documentation under RCV-elected coverage), net settlement after deductible, the settlement under the elected policy form, and the probability-weighted expected settlement. Surfaces a recommended approach based on roof age and policy form. Tool, not advice — insurance is a regulated profession; final outcomes depend on policy language, adjuster scope, carrier supplemental-claim posture, and the state regulatory framework (Florida F.S. 627.7152 AOB rules; Texas Insurance Code Chapter 542 prompt-pay statute with 18% penalty interest; Colorado HB-23-1273 deductible-rebate prohibition; California SB-824 post-wildfire non-cancellation moratorium).

Find your calculator

Grouped by who tends to use each tool. Many calculators serve more than one audience.

For unit owners

Verify a notice, check a fine, or understand the lien exposure on a delinquent account before acting.

Or filter by calculator type

All 4 calculators in this cluster, organized by what they compute. Use the chips to narrow to a specific area.

100+

Calculators live

Across statute, regulation, and policy

100%

Statute-cited

Every formula links its source

4,000+

Unit tests

Every formula has a regression suite

Open

Formula transparency

Deterministic math, no hidden weights

Free

Ad-supported

No paid tier, no paywall

How these calculators are maintained

Every YMYL calculator is reviewed quarterly and after every legislative session in the jurisdiction it covers. Citations are link-validated monthly against the relevant statute and regulation websites. The methodology page documents the discipline.

Read the editorial methodology →

Search calculators

Find a calculator by name, cluster, or statute