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Basement GurusLANCASTER, PA
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Lancaster County · 22 years

Mold Remediation in Lancaster, PA

Remove it, then remove the reason.

Mold is a symptom. We contain and remove the growth, treat the surfaces, and then fix the moisture that grew it — because remediation without waterproofing is a repeat appointment.

(800) 834-6584
Contaminated and contained, either side of the barrierOne joist bay running the full width, split by a containment barrier of sheeting taped top and bottom with a green zippered access. On the left, gold and red spotting covers the joists and the underside of the deck, with gold spores drifting in the air. On the right, the joists are clean and outlined in green to show treated surfaces. A green-outlined negative air machine with a fan and three HEPA filter stages stands on the clean side, its corrugated duct running through the barrier into the contaminated side; a gold arrow shows contaminated air drawn in and a green arrow shows filtered air leaving. At the bottom left a gold stain on the floor is answered by a green drain, the moisture source corrected.Untreated growth on joists and deckAntimicrobial treatment, contained sideContainment barrierHEPA filtration and negative airMoisture source corrected

What's included

The actual scope

  • Containment and negative air
  • HEPA filtration and removal
  • Antimicrobial surface treatment
  • Affected material replacement
  • Moisture source correction

How it runs

Start to warranty

  1. Inspection and moisture reading
  2. Contain and remediate
  3. Correct the water source
  4. Post-work clearance and air quality check

Terms, plainly

Free estimate. No money down. Financing available. Lifetime warranty on waterproofing systems, and it transfers when you sell.

How the system works

A sealed, conditioned crawl space

Not to scale · sized to the space
A sealed, conditioned crawl spaceCutaway through a crawl space under a floor, with a foundation wall at each side and bare ground below. Blue arrows show moisture rising out of the soil. A green liner covers the ground and turns up both walls, the vent at the left is sealed shut, gold hatching marks insulation on the walls, and a dehumidifier and a sealed sump sit in the space. Five numbered callouts. One, gold: moisture rising year-round out of the bare ground. Two, green: a 20-mil reinforced liner across the floor and up the walls. Three, green: the sealed vent and the insulated wall behind it. Four, green: a dedicated dehumidifier holding the space dry. Five, green: drainage and a sealed sump carrying collected water out.12345GradeFloor aboveInsulated wall
  1. The problem: Moisture rises out of bare ground all year. Half the air in your first floor comes up through it.
  2. The system: A 20-mil reinforced liner covers the floor and runs up the walls, sealed and mechanically fastened.
  3. The system: Vents get sealed and the walls insulated — a vented crawl space just imports humid summer air.
  4. The system: A dedicated dehumidifier holds the space dry, which is what stops mold and wood rot returning.
  5. The system: Where water collects, drainage and a sealed sump carry it out before it reaches the liner.

Where you live changes the job

Mold Remediation on limestone is not mold remediation on red shale

Lancaster County has four distinct ground conditions, and each one changes how we size and place this work. Your town page has the specifics.

Limestone valley floor

Interior French drain tied into a sealed sump basin with a battery backup, because the volume shows up fast and all at once. Wall vapor barrier where the block has been wicking.

Northern red shale and clay

Interior drain at the footing to relieve the pressure, plus wall reinforcement (carbon fiber or steel) anywhere the block has started to move. Exterior grading and downspout extensions to stop feeding the clay.

Southern schist uplands

Drainage on the uphill side first — interior drain plus exterior interception where the grade allows — and a discharge line routed far enough downslope that it does not simply return.

Susquehanna river terraces

Sub-slab drainage with a high-capacity sealed sump and battery backup, mortar repointing on stone walls, and encapsulation where the space is unfinished.

Other things we fix while we are there

Get a real price on mold remediation.

Free estimate anywhere in Lancaster County, and an honest answer about whether it can wait.

(800) 834-6584