Mold Remediation Services in Janesville, WI

Start With the Situation, Not the Service

Most people arrive at a page like this already knowing they have a problem and not knowing what to call it. That is the normal case, and it is fine — the name of the service matters far less than the answer to two questions: where is the water coming from, and how long has it been arriving?

Everything below is organized around those two questions. If you would rather skip the reading, call (608) 724-1919 and describe what you are seeing. That conversation is free, it costs you nothing if you decide to do nothing, and it will usually narrow the list on this page to one or two entries in a couple of minutes.

The Order Every Project Follows

Whatever the building and whatever the service, competent work runs in this sequence. A job that skips a step is not cheaper; it is unfinished.

1. Find the waterThermal imaging, moisture metering and, in a cold climate, an understanding of which direction the vapor is moving in that season. Remediation without this buys you one seasonal cycle.
2. Define the true extentThe wet area is routinely several times the stained area. This is what an inspection is for and why phone quotes are meaningless.
3. Contain the areaSealed barriers and negative pressure with HEPA filtration, so the work does not distribute spores through the rest of the building.
4. Remove what cannot be savedPorous material that has been wet long enough to colonize comes out. Drying it kills nothing and leaves the material in the wall.
5. Clean what remainsHEPA vacuuming and detergent cleaning of structural surfaces, then treatment where it is warranted.
6. Dry to a documented targetTo a moisture content reading, not to the look of it. In a Wisconsin winter this is slower than people expect.
7. Verify independentlyClearance testing by somebody who did not perform the work. It is the only external check that exists in a state with no mold licensing.
8. Then rebuildAnd rebuild with an assembly that will not repeat the failure, which for a basement here means rigid foam against the masonry rather than a stud wall tight to it.

Diagnosis and Verification

By Where the Problem Is

By What Happened

Work Out Which One You Need From the Symptom

This is the short version of what a phone call does. Find the row that matches what you are actually seeing and it will point you at one or two pages rather than eighteen.

What a Written Scope of Work Should Contain

This is the document that makes two quotes comparable, and the single most useful thing a property owner can insist on. If a contractor will not put these in writing before starting, that is information.

1. The moisture source, and who is correcting itNamed explicitly. A scope that says nothing about why the material was wet has not priced the actual problem.
2. The boundary of the work areaWhere the cut lines go, and how that boundary was determined — which should be from moisture readings rather than from where the staining stops.
3. Containment class and equipmentBarriers, negative air with HEPA filtration, and how the HVAC system will be isolated.
4. What is removed and what is cleanedItemised by material. Drywall, insulation, carpet pad, ceiling tile out; framing and masonry cleaned.
5. The drying target and how it is verifiedA moisture content figure referenced to an unaffected area, with daily logs — not “until dry”.
6. Who performs clearance, and who pays for a retestIndependent, and agreed before work starts rather than after a failure.
7. What is excludedUsually reconstruction, and frequently the moisture correction. Both are real costs and both should be visible.

The Standards This Work Is Measured Against

Three documents do most of the work, and it is worth knowing what each one is for.

• IICRC S520 is the standard of care for mold remediation. It is built around physical removal of contaminated porous material rather than treatment, on the basis that dead spores and fungal fragments remain allergenic. When a contractor says they work to S520, this is what they are referring to.
• ANSI/IICRC S500 covers water damage restoration — the categories of water, the drying process and documentation. It governs the first 48 hours, before mold is the question.
• EPA guidance provides the square-footage thresholds for homeowner cleanup versus professional remediation, and a separate guide for schools and commercial buildings that institutional clients generally expect to see referenced.

What none of them provide is a numerical limit for acceptable indoor mold. Neither the EPA nor the State of Wisconsin publishes one, which is why a report claiming a result is “within acceptable limits” is comparing against a standard that does not exist.

What We Do Not Sell You

Three things get sold routinely in this trade that are frequently unnecessary, and it is worth naming them.

• Testing where the answer is already visible. If you can see growth and you know what wet it, a lab number changes nothing about what has to happen next.
• Whole-house fogging as a first move. If wet porous material is still in the building, fogging it treats the symptom and leaves the cause.
• Remediation of seasonal condensation. Damp that appears in July and clears in October is a dehumidification and air-sealing problem. That is a few hundred dollars of equipment, not a few thousand of labor.

Frequently Asked Questions