The earner of this badge has demonstrated proficient knowledge of the following topics: • Evaluating Substrates: Wood Subfloors• Evaluating Substrates: Concrete Subfloors• Wood Subfloors Over Concrete• Screeds/Sleepers• Radiant Heat Substrates• Existing Floors as Subfloors• Sound Control• Underlayments: Moisture Control. Learning Path: 203 Install: Subfloor Preparation

• Type Validation
• Level Foundational
• Time Days
• Cost Paid