Proper containment procedures are essential for air duct cleaning to be performed safely and effectively. Without proper containment, dust and debris stirred up during duct cleaning can spread throughout your home, negating many of the health benefits and potentially causing health issues.
Certified duct cleaning professionals have a variety of methods and equipment to capture and contain dust and debris, minimizing what escapes into your living areas. Plastic barriers are secured around supply and return vents to isolate the duct system. Negative air machines then create suction inside the barriers, pulling loose dust toward the vacuums.
Filter socks and high-efficiency particulate absorbing (HEPA) filters on the vacuums capture small particles before they reenter the air. Foam sealants are often applied to seal any gaps. Respirators and other personal protective equipment (PPE) protect workers from dust exposure.
Here are some additional details regarding this procedures for air duct cleaning:
Before performing any cleaning, the contractors should visually inspect the duct system to identify any obvious leaks, holes or other issues that could prevent proper containment. This allows them to develop the best strategy.
Contractors will often seal any obvious air leaks in the ducts themselves prior to setup of plastic barriers. They use mesh and sealants to close leaks so dust is not escaping through gaps.
Multiple containment layers
Using multiple layers of containment is most effective. This includes plastic barriers, sealants, filter socks, HEPA vacuums and negative air machines. Each layer helps capture more dust and debris.
Workers should be appropriately trained on containment procedures, vacuum use, barrier setup and other tasks to ensure containment is performed correctly and effectively. Untrained workers can compromise containment.
Some companies will periodically check dust levels inside and outside containment barriers during cleaning to confirm dust is being captured properly. Higher dust levels may require adjustments.
After containment is removed, contractors should perform a final cleaning of all surfaces in the home to remove any remaining dust. They may use HEPA filters and wiping cloths.
Reputable companies will explain their containment procedures to clients beforehand to build trust that dust will be managed safely and effectively during the cleaning process.
After cleaning, barriers are not removed until a visual inspection confirms dust levels remain low. This helps ensure containment was successful. Reputable companies take appropriate steps to minimize what gets into your home. However, some dust may escape no matter how careful contractors are.
For air duct cleaning to provide health benefits, contamination must be removed from the ducts – not just circulated into your living spaces. Proper procedures allow contractors to effectively clean ducts while avoiding unnecessary dust exposure for your family. When hiring a company, ensure they maintain containment certifications and have a clear protocol to feel confident dust will be managed properly during the cleaning process.