The short answer
What Is Dander and Where It Comes From
Dander consists of microscopic skin cells shed by animals and humans. In homes with pets like cats or dogs, dander is a very common component of household dust. It is not created by water, moisture, or the process of drying out a property. Instead, these tiny particles are a persistent allergen that settles on surfaces, in fabrics, and within the air ducts of a home.
How Mitigation Equipment Affects Airborne Particles
Water damage pros use high-powered air movers and dehumidifiers to dry structures. This equipment circulates air aggressively to remove moisture from materials like drywall, flooring, and framing. The powerful air movement can disturb and lift the settled dust, dander, and other particulates on floors, furniture, and inside wall cavities. This creates a temporary increase in airborne allergen levels while the drying equipment is operating, which can affect sensitive individuals.
Controlling Allergens During the Drying Process
If you are concerned about dander or dust, discuss it with the water damage pros before work begins. They may be able to use high-efficiency particulate air (HEPA) filter-equipped air scrubbers as part of the drying setup. These machines can capture fine particles like dander from the air. Keeping the work area isolated with plastic sheeting can also help contain disturbed dust.
- Ask the pros about using HEPA air filtration devices.
- Consider temporarily relocating pets to a friend's home or a kennel.
- Vacuum carpets with a HEPA filter vacuum after the area is completely dry.
- Wash bedding and soft fabrics that may have collected dust and dander.
- Change your home's HVAC filter once mitigation is complete.
- Wipe down hard surfaces like shelves, tables, and window sills with a damp cloth to capture settled particles without sending them back into the air.
The Difference Between Dander and Mold
It is important not to confuse allergic reactions to dander with potential mold exposure. Dander is an animal allergen, while mold is a fungus that can grow after water damage if materials stay damp for over a day. Mold spores are also airborne allergens. If you develop new or worsening respiratory symptoms like a persistent cough after a water leak, an inspection by a qualified mold professional might be a necessary step.
Post-Mitigation Cleaning for a Healthier Home
Once the water mitigation and structural drying are finished, a thorough cleaning helps remove allergens stirred up during the process. This goes beyond the pros' standard cleaning of the directly affected areas. You might need to clean vents, blinds, ceiling fans, and other household surfaces where dust can settle. In some climates, opening windows for ventilation can help clear the air, but ensure the interior is fully dry first to prevent bringing in new moisture.
Water damage does not wait
Every hour counts once water gets into floors and walls. One call starts the response.
Call Now (208) 537-2633Frequently asked questions
Will the pros clean up the dust and dander they stir up?
Their primary goal is drying the structure. They will clean the immediate water-affected areas, but general household dust and dander disturbed elsewhere is typically not part of their service. You may need to do additional vacuuming and dusting after the equipment is removed.
Can water damage make my pet's dander problem worse?
Not directly. However, wet carpets or upholstery can trap more dander and be harder to clean. If these materials are not dried properly and need replacement, it could be an opportunity to choose smooth, non-porous flooring that is easier to clean and does not trap allergens as easily.
Should I stay somewhere else if I have severe dander allergies?
It is often a good idea, especially in the first 24 to 48 hours when drying equipment is most active. The increased air movement will significantly disturb allergens. If you must stay, wear a mask in the work area and use a bedroom with a standalone HEPA air purifier.