Washington Lathing and Plastering Contractor License
The Lathing and Plastering Contractor License allows you to install lath and any other material prepared or manufactured to provide a base or bond, and:
Coating of surfaces with a mixture of:
Sand
Gypsum plaster
Quick-lime or hydrated lime and water
Sand and cement and water
A combination of such other materials that create a permanent surface coating, including:
Coatings for the purpose of soundproofing and fireproofing
These coatings are applied with a plasterer's trowel or sprayed over any surface which offers a mechanical means for the support of such coating, and will adhere by suction
How to Get the Lathing and Plastering Contractor’s License in Washington?