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Project · Chester, Delaware County
Chester stone basement: mold remediation and structural drying
In short: An older Chester rowhome had heavy mold on the stairwell wall and a persistently wet stone basement. CRS removed the growth, treated the masonry and framing, set commercial dehumidification and brought the basement to a dry, clean condition ahead of the property’s rehab.
Mold remediation + drying
Chester, PA 19013
Stone foundation
Investor rehab property
Job photos
Heavy mold on a stone basement stairwell wall, Chester
Wet stone basement before drying, Chester
Dri-Eaz dehumidifier running in a Chester basement
Basement drain and wall area after cleanup, Chester
Photos are from this job, taken by CRS technicians during the work. Customer names and addresses are not published.
What we found
The basement stairwell wall was covered in mold from floor to ceiling, and the stone foundation and slab were damp throughout. Old plumbing and a slow drain had kept the space wet for a long time. This is a common picture in Chester and Delaware County housing stock, where stone foundations and decades of deferred maintenance meet.
Our client was an investor rehabbing the property for rental, so the goal was a clean, dry, documented basement the rest of the rehab could build on.
What CRS did
Scope of work
✔ HEPA-vacuumed and removed the mold from the stairwell wall and framing, then applied an antimicrobial treatment.
✔ Cleaned the stone walls and slab and removed debris and failed materials.
✔ Set a commercial dehumidifier and air movement and monitored readings over several days.
✔ Documented the drain and plumbing conditions so they could be corrected before finishes went in.
Basements in older Delaware County homes
Stone foundations breathe moisture, which is why mold shows up on anything organic that touches them. The fix is a combination of removing the growth, drying the space and controlling the moisture going forward. CRS handles the first two and documents what is needed for the third, without pretending to be a waterproofing company.
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Questions
Common questions about this type of job
Do you work with investors and landlords in Chester?
Yes. A large share of our Delaware County work is for investors rehabbing rowhomes in Chester and nearby boroughs, including mold, water and sewage work ahead of renovation.
Can a stone basement ever be fully dry?
It can be dry enough to finish and use when the moisture source is controlled and the space is dehumidified. We bring it to measurable dry standards and tell you what still needs to be addressed.
Is basement mold remediation covered by insurance?
Usually not when it results from long-term dampness. Mold tied to a sudden covered water loss is a different story. We will tell you honestly which situation you are in.
Dealing with something similar?
Call or text (610) 215-7111, 24/7. We will tell you what it is, what it will take and what your insurance is likely to cover.