Why is it important to have consistent air pressure during fireproofing application?

The importance of maintaining consistent air pressure during the application of fireproofing materials primarily revolves around achieving an even and uniform spray pattern. When air pressure is stable, the spray applicator can deliver the fireproofing material in a controlled manner, which is crucial for ensuring that the coverage is consistent across the surface being treated. This uniformity not only contributes to the aesthetic quality of the application but also ensures that there are no thin or missed spots that could compromise the fire resistance of the protected structure.

An inconsistent or fluctuating air pressure can lead to variations in the material's application thickness and distribution. This inconsistency can negatively impact the fireproofing's performance, as areas that are not adequately covered could potentially fail to provide the intended level of fire resistance. Therefore, maintaining consistent air pressure is essential for the integrity and effectiveness of the fireproofing application.