Composites, Fiberglass & Advanced Materials worked example

Composite Repair Cost at 72% share of repairs counted in this cost: a worked example

Here is what the math looks like when conditions slip. We hold every other input steady and drop share of repairs counted in this cost to 72%, then walk the calculation through step by step. Estimate repair cost for composite defects, damage, delamination, voids, or cosmetic issues.

The inputs for this scenario

  • Composite defects needing repair: 18 repairs (held at the documented default)
  • Labor and material cost per repair: 410 $ / repair (held at the documented default)
  • Share of repairs counted in this cost: 72 % (the input this scenario stresses; the baseline uses 100)
  • Fixed repair setup and inspection cost: 650 $ (held at the documented default)

Working through the calculation

  • The calculation starts from the formula this tool documents: Variable composite repair cost = composite repairs required × repair cost per composite defect × repair scope included.
  • total composite repair cost works out to 5,964 $ at these inputs, and this is the headline figure for the scenario.
  • composite repair cost per part or job works out to 331 $ / piece at these inputs.
  • variable composite repair cost works out to 5,314 $ at these inputs.
  • fixed repair setup and quality cost works out to 650 $ at these inputs.

How this compares with the baseline

  • Against the tool's baseline example, where share of repairs counted in this cost sits at 100% and the headline result is 8,030 $, this scenario comes in 25.73% below the baseline at 5,964 $.
  • The practical read: the gap between this scenario and the baseline is entirely attributable to share of repairs counted in this cost, so recovering it is worth quantifying in dollars before considering equipment or staffing changes. It uses one average cost per repair; a mix of minor cosmetic touch-ups and full structural scarf repairs should be split into separate runs for accuracy.

Results at a glance

  • total composite repair cost: 5,964 $ (headline result)
  • composite repair cost per part or job: 331 $ / piece
  • variable composite repair cost: 5,314 $
  • fixed repair setup and quality cost: 650 $

Run it with your numbers

  • To rerun this with your own numbers, open the live Composite Repair Cost calculator, set share of repairs counted in this cost to your actual value, and adjust the remaining inputs to match your operation.

Last reviewed 2026-05-12.