Monday, December 4, 2023

Contractor Campus

Books & Classes for your Contractor's License

Hawaii Refractory (C-31c) Contractor License

The Refractory (C-31c) Contractor License allows you to do the following work:

  • Install high-temperature fire clay
  • Refractory products and equipment

If you are looking for full masonry contractor's license with a broader scope of work, you may want to consider getting a Hawaii Masonry (C-31) Contractor License instead.