Containment
Area Setup
Work Zone Isolation for Controlled Remediation
During mold remediation, containment barriers prevent disturbed spores and fragments from migrating into clean areas of the home. Proper containment separates controlled remediation from uncontrolled disruption.
Containment Area Setup
Containment is the backbone of controlled remediation. Without it, disturbing mold-affected materials can release spores and fragments into adjacent rooms, HVAC systems, and occupied spaces—turning a localized problem into a whole-home concern.
The process involves creating a sealed-off area using 6mil plastic sheeting and tape to cover doorways, vents, and any other openings. Combined with negative air pressure, this isolates the affected area from the rest of the property and prevents the spread of mold spores during mold abatement and removal.
CERTIFIED & Recommended




















When Containment Is Needed
Not every mold concern requires full containment, but when the scope warrants it, containment is what separates controlled remediation from uncontrolled disruption.
Multi-Room or Large-Area Impact
When affected materials span beyond a single closet or cabinet, containment isolates the work zone and prevents cross-contamination to adjacent spaces.
Occupied Homes
When the home is occupied during remediation, containment barriers protect living spaces from airborne particulate migration during active work.
HVAC Proximity
When returns or supplies are near the work area, containment prevents the HVAC system from pulling contaminated air into the ductwork.
Insurance or Clearance Requirements
Many insurance-covered projects and post-remediation clearance protocols require documented containment as part of the scope of work.
What Containment Setup Includes
We design containment around the specific conditions of each project: scope of impact, building layout, HVAC proximity, occupancy status, and material types involved. This isn't one-size-fits-all—it's a planned isolation system built to support clean, effective remediation.
Barrier Construction
- 6mil poly sheeting to create sealed work-zone boundaries
- Tape-sealed coverage of doorways, vents, and openings
- Zip-door entry/exit for controlled access
- Floor protection and pathway management
Protection Measures
- HVAC registers sealed to prevent system contamination
- Contents protection (covering, relocating, or staging)
- Electrical and plumbing penetrations sealed
- Monitoring to verify barrier integrity during work
Types of Containment

Source Containment
Small-scale isolation around a specific area of impact. Used for minor remediation where disturbance is limited and cross-contamination risk is low.
Full Containment
Complete enclosure of the work zone with 6mil poly barriers, sealed penetrations, and controlled access. Required for larger scopes and occupied properties.
Multi-Zone Containment
Multiple connected or separate containment zones when impact spans different areas of the home. Each zone is independently sealed and managed.
Reducing Cross-Contamination
Containment is only effective when paired with disciplined work practices. The goal is to keep contamination inside the work zone and prevent it from traveling on people, tools, or air currents.
- Controlled entry/exit through zip-door openings
- PPE protocols—gowning, gloving, and respiratory protection
- Tool and equipment decontamination between zones
- Staged material removal to reduce dust generation
- HEPA vacuuming of surfaces before containment removal
Professional Containment Setup
Controlled Remediation Starts With Isolation
Containment protects your home during remediation—isolating the work zone from occupied spaces and preventing spore migration. Paired with negative air pressure and proper material disposal, containment ensures the remediation process doesn't spread the problem it's solving.
Frequently Asked Questions
Is containment always necessary during mold remediation?
Not always. Small, isolated areas with minimal material disturbance may not require full containment. But when the scope involves multiple surfaces, occupied spaces, or HVAC proximity, containment is an important part of doing the work correctly and supporting clearance.
Can I stay in my home during remediation with containment?
In many cases, yes — that’s one of the primary purposes of containment. By isolating the work zone with poly barriers and controlled entry, we can perform remediation while the rest of the home remains protected. We’ll advise if temporary relocation is recommended based on the scope.
What’s the difference between containment and just sealing a room?
Sealing a room with tape or plastic is not the same as engineered containment. Proper containment includes barrier integrity, controlled access through zip-door openings, sealed vent and HVAC registers, and floor protection — all designed to create a fully isolated work zone.
Does containment add to the cost of remediation?
Yes, but it protects the value of the work. Without containment, disturbed materials can spread contamination to clean areas — potentially increasing the scope and cost. Containment is also typically required for insurance-covered projects and post-remediation clearance.
Other Remediation Phases
Containment is one step in a controlled remediation process. Each phase is designed to support the next.
Negative Air Pressure
HEPA-filtered air control that maintains pressure differential to prevent spore migration from the work zone.
Mold Abatement & Removal
Targeted removal of mold-affected materials and surface treatment within the contained work zone.
Post-Remediation Clearance Testing
Lab-certified verification that remediation achieved the intended result.
Related Services
Containment is one part of a complete remediation approach. Explore our related services.
Mold Remediation
Full remediation process from source identification through clearance — containment is built into every qualifying project.
Mold Inspection
Visual assessment, infrared screening, and moisture verification to identify the scope before remediation begins.
Water Damage Restoration
Emergency water extraction, structural drying, and moisture management — often the first step before remediation.





