TinnerFlow™1st YearSealing & InsulationYELLOW · Check First
Water-Based Mastic (e.g., DP-1010): Low odor, cleans up easily with soap and water, non-flammable. This is the daily standard for indoor commercial duct sealing. * Solvent-Based Sealant: Highly flammable, strong chemical fumes, handles moisture and extreme temperature swings quickly. Used primarily for outdoor roof applications or wet industrial environments.
Water-Based Mastic (e.g., DP-1010): Low odor, cleans up easily with soap and water, non-flammable. This is the daily standard for indoor commercial duct sealing. * Solvent-Based Sealant: Highly flammable, strong chemical fumes, handles moisture and extreme temperature swings quickly. Used primarily for outdoor roof applications or wet industrial environments.
Use this as training guidance. The foreman, approved drawings, project specs, manufacturer installation instructions, employer safety policy, and AHJ/code requirements always control the final answer.