C55 Waterproofing Contractor: Further description of the C-55, Exhibit A, Specialty Contractor Classification category includes: To apply elastomeric coatings, sheet membranes or other materials or in combination of materials to surfaces to prevent water, and water vapor, from penetrating and passing the materials. Includes, waterproofing exterior walls, and between slabs, both above and below grade.
- Coatings to parking decks
- Play courts
- Walking decks to form a watertight non-skid surface
- Preparation methods include waterblasting, power cleaning