WATER DAMAGE
RESIDENTIAL
Mold Present
3-Story

Prolonged Water Damage Cincinnati, OH

Long-term moisture intrusion worked through every level of this three-story Cincinnati home — rotting subfloors, collapsing plaster walls, saturating framing throughout the stairwell, and establishing mold beneath flooring across multiple rooms. H2O Restoration responded to document the full 2,077 sq ft scope across all three floors, complete demolition to sound structure, and prepare the property for full rebuild.
LOCATION
Cincinnati, OH
Total Affected Area
2,077 sq ft
CAUSE OF LOSS
Prolonged Water Intrusion
Floors Affected
3 — Full Structure
PROJECT OVERVIEW

WHAT HAPPENED

Prolonged water intrusion — likely from a combination of roof penetration, plumbing failure, and unaddressed moisture over an extended period — had worked through every level of this three-story Cincinnati home by the time H2O Restoration arrived. Subfloors on multiple floors showed active black mold growth and catastrophic structural rot, with one section of OSB so saturated it had fully delaminated and crumbled. Plaster walls throughout the stairwell had failed entirely, peeling away from the lath down to brick. Flooring had been stripped to the subfloor across all three levels, framing was opened at walls and ceilings across multiple rooms, and contractor scope marks in orange spray paint documented the extent of the loss throughout the structure. H2O Restoration managed demolition, mold remediation, structural drying, and full documentation for the insurance carrier across all 2,077 sq ft simultaneously.
The subfloor damage was not uniform — moisture had concentrated in distinct zones traceable to discrete entry points, but had then migrated laterally across joist bays between floors. Orange spray-paint scope marks visible throughout the structure confirmed the loss had been comprehensively mapped before demolition began, ensuring nothing was missed in the insurance documentation.
JOB DETAILS
  • Cause of lossProlonged water intrusion — multi-source
  • Water categoryCategory 3 — long-term exposure
  • Total affected area2,077 sq ft across 3 floors
  • Mold presentYes — subfloor, multiple rooms
  • Structural damageYes — subfloor rot, plaster failure
  • Scope markingsOrange spray-paint — full structure mapped
  • Insurance supportFull documentation provided
Affected Spaces — From Floor Plans
  • Entry7'0" × 16'8"
  • Kitchen14'11" × 16'8"
  • Living room14'10" × 15'7"
  • Bath 14'11" × 7'1"
  • Room (large)17'0" × 17'2"
  • Room (center)8'6" × 11'6"
  • Room (right)14'0" × 17'2"
  • Bath 27'3" × 6'1"
  • Bedroom16'9" × 15'3"
  • Room16'9" × 15'2"
  • Hall16'9" × 6'8"
  • Bath 36'10" × 5'8"
  • Total2,077 sq ft
EQUIPMENT DEPLOYED
Full PPE / respirators
HEPA air scrubbers (multiple)
LGR dehumidifiers
Low-profile air movers
Thermal imaging camera
Moisture meters
Demolition tools
Debris haul-off
Mold test kit
Antimicrobial treatment
JOB SITE IMAGES

A CLOSER LOOK AT THE DAMAGE

Our process

Work completed

1

Full-Structure Assessment & Scope Mapping

Technicians completed a floor-by-floor assessment of all 2,077 sq ft, using thermal imaging and moisture meters to map active moisture zones through subfloors, wall cavities, and the stairwell plaster assembly. Orange spray-paint boundary marks were placed throughout the structure to document confirmed loss areas for the insurance adjuster and reconstruction contractor before any demolition began. All three floors were assessed simultaneously to identify vertical migration paths between levels.

2

Mold Testing — Subfloor & Wall Cavities

Black mold growth confirmed visually on subfloor sections across the second floor was tested and documented prior to demolition. Additional mold testing was conducted in wall cavities at the stairwell and at baseboard-level openings on all three floors where moisture had concentrated. All positive test locations were photographed and logged for the insurance carrier before antimicrobial treatment began.

3

Full Demolition — Flooring, Subfloor, Plaster & Framing

Working in full PPE with HEPA air scrubbers running on all three floors, crews demolished and removed all compromised flooring and subfloor sections across the structure. The catastrophically rotted OSB sections — including one section so saturated it had fully delaminated and crumbled — were removed and documented as structural losses. Plaster walls throughout the stairwell were stripped to lath. All demolished material was removed and hauled off the site.

4

Antimicrobial Treatment — All Affected Surfaces

Following demolition, all exposed framing, joists, subfloor edges, and masonry surfaces that had been in contact with moisture were treated with antimicrobial solution. The stairwell walls were treated from floor to ceiling. Treated surfaces were allowed to dry and re-tested before structural drying equipment was placed to confirm mold was not present on any remaining structural members.

5

Structural Drying — Three Floors Simultaneously

LGR dehumidifiers and low-profile air movers were distributed across all three floors to run a coordinated drying program. Daily moisture readings were logged at all measurement points throughout the structure. Drying continued until every floor returned to dry standard before the reconstruction scope was confirmed and handed off to the rebuild contractor.

6

Full Insurance Documentation Package

A complete before/after documentation package was compiled for the carrier — including mold test results, moisture mapping across all three floors, thermal imaging captures, scope-mark photos, structural loss measurements, and a full adjuster-ready scope of work itemized by floor. The package supported the full rebuild scope including subfloor replacement, plaster remediation, framing repair, and finish restoration throughout the structure.

H2O Restoration handles both mitigation and full reconstruction — including subfloor replacement, plaster restoration, framing repair, and finish work — so the property owner worked with one team from the first call through the final rebuilt walkthrough.

A scope that expanded on every floor

Initial inspection identified the most visible damage on the second floor. Systematic floor-by-floor assessment revealed that subfloor rot, mold growth, and plaster failure extended across all three levels — more than tripling the initial estimated scope. Comprehensive spray-paint mapping and documentation before any demolition began ensured every confirmed loss zone was included in the insurance claim rather than discovered mid-rebuild.

 
five gold star rating icons aligned horizontally
"This property had been sitting with water damage longer than we realized. H2O went through every floor, marked everything, tested the mold, and put together documentation that actually covered the full scope — not just what was obvious. By the time the adjuster came out, there were no surprises. They saved us from finding out about more damage mid-construction, which would've been a nightmare."
N. Whitfield

Cincinnati, OH · Verified Google Review

Water Damage Across Multiple Floors in Greater Cincinnati?

H2O Restoration responds 24/7 across Greater Cincinnati, Northern Kentucky, and surrounding communities — on site in 59 minutes or less. We find every affected space, document it all, and handle the insurance so you don't have to.
CALL: (513) 909-6540