What does sewage backup cleanup involve?
It is handled differently from a clean water loss because the water is contaminated. Porous material that has been in contact with it comes out rather than being dried, the area is contained and cleaned rather than just extracted, and nobody should be in the space without protection.
Why it is not just water
The industry sorts water into categories. A clean supply line is category one. Water that has picked up contaminants, from a dishwasher or a washing machine, is category two. Sewage, and any water that has come back up through a drain or in from outside at ground level, is category three.
Category three carries bacteria and other pathogens, so the question stops being how do we dry this and becomes what has to be removed.
What comes out and what stays
Carpet and padding, and drywall and insulation the water reached, come out. Porous material that has absorbed contaminated water is not restored, it is replaced.
Hard non-porous surfaces such as tile, concrete and sealed hardwood can usually be cleaned and disinfected. Contents are judged item by item, and anything porous that was in the water generally goes.
Before anyone arrives
Keep people and pets out of the area and out of anything the water has touched. Do not run the HVAC if the affected area is in the same system, since that moves contaminated air through the building.
Stop using the fixtures on that drain line. Photograph everything from a safe position, because this is still an insurance claim and the documentation matters.
Then the cause
A backup usually means a blockage, a collapsed line, root intrusion or a municipal issue. Cleaning up without finding out which one is inviting a repeat.
We handle the cleanup, the removal, the drying and the rebuild of what came out, and we will tell you when the drain line itself needs investigating.
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