When is slight positive pressurization not ideal for remediation?

Slight positive pressurization can be beneficial in mold remediation by preventing the ingress of contaminated air from outside. However, it becomes problematic when the outdoor environment is more humid than the indoor space. In this scenario, the higher external humidity can lead to increased moisture levels inside the affected area, promoting mold growth rather than mitigating it. When you introduce humid air into an already affected space, you risk worsening the conditions that foster mold proliferation.

This situation highlights the critical balance between air pressure and humidity in the remediation process. Therefore, when the outside environment is more humid than the inside, slight positive pressurization is not ideal as it inadvertently contributes to the conditions that favor mold growth.