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The 2017 National Renovation & Insurance Repair Estimator has a complete cross-referenced index. Find the subject you need in the left column. Then click on the subject link in the right column to jump to the costbook page.

2017 National Renovation & Insurance Repair Estimator

Subject Subject links
Ribbed roofing 
  aluminumAluminum sheet corrugated.  | Aluminum sheet ribbed.  
  galvanized steelGalvanized steel ribbed roofing.