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Full services directory How it worksFor prosAbout Get matched Call (866) 582-8523Most mold estimates use a small set of technical terms. Containment means sealing the work area off with plastic sheeting. Negative air means keeping the pressure inside that area lower than outside so spores cannot drift out. HEPA refers to filters that capture fine particles. Post-remediation verification is the independent check that the job is finished.
Knowing these terms is a defense mechanism. A contractor who cannot explain what negative air pressure does, or who lists "antimicrobial application" as the primary treatment rather than physical removal, is telling you something about how the job will be done.
A few definitions worth having in your head before the estimate arrives: remediation is returning indoor mold to normal background levels and fixing the moisture, not sterilizing the house. Encapsulation is sealing a cleaned surface with a coating — appropriate for structural wood, not a substitute for removing moldy drywall. Mycotoxin refers to compounds some molds can produce; it is a real word that is heavily overused in marketing. ANSI/IICRC S520 is the industry procedural standard, currently in its fourth edition (2024).
You will also see water category language borrowed from restoration work — clean water, gray water, and black water. Category matters: contaminated water changes the job from a cleanup into a professional remediation regardless of area.
That is worth something only while you are still choosing. Tell us what is going on and we will match you with a few mold remediation pros whose licence and insurance we have already checked — free, no obligation.
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