Most Johnston homeowners arrive at crawl Space Structural Drying having noticed something else first: a smell, a soft patch in the floor, or insulation on the ground. The inspection decides whether this is the right stage to start at.
The water is gone but the wood is still wet, and wet wood is what fails.
Structural drying on piedmont and upstate ground
Clay gives moisture back slowly. Once framing in a Johnston crawl space has taken water on, the surrounding ground offers very little help drying it out, so the curve flattens later here than it does on sandier soil and the equipment stays in longer.
Clay also makes Johnston crawl spaces slow to dry. The surrounding ground gives moisture back reluctantly, which is why this stage is finished against a reading rather than a date.
Johnston at a glance
| County | Edgefield County |
|---|---|
| ZIP | 29832 |
| Elevation | about 659 ft |
| Region | Piedmont and Upstate |
Named water nearby
- Ridgeview Lake (reservoir)
- Odell Memorial Lake (reservoir)
- Johnston Sc Reservoir (reservoir)
- Yance Pond (reservoir)
Signs you need this
- Water has been removed but the space still smells damp
- Moisture meter readings above roughly 16 percent in joists or subfloor
- Condensation returning on ducts or pipes after the space was cleared
- Dark staining or surface growth on joists and the subfloor underside
What the work involves
What we do on a Johnston job of this kind:
- Moisture mapping with marked, repeatable reading points
- A drying plan with stated target moisture content
- Air movers and dehumidification sized to the crawl space
- Monitoring through the job with readings recorded
Why it is worth dealing with now
The cost of this work does not stay flat. Every season a Johnston crawl space stays wet moves more of the job from drying towards framing repair.
The full method and the step-by-step for this work is on the Crawl Space Structural Drying page, and how it behaves across the state is on the Structural drying in South Carolina page.
Structural drying in Johnston: common questions
Does the time of year change how long drying takes in Johnston?
Considerably. Drying against humid summer air takes longer than the same job in winter, which is one reason the work is measured against a reading instead of quoted as a fixed number of days.
Can I just leave fans running under the house?
Moving air around a closed damp space without removing water vapor relocates moisture rather than removing it. In Edgefield County, where the outside air is wet for much of the year, that often makes the space damper.
Is crawl space water damage covered by insurance?
It depends on the cause, not the address. A burst pipe in a Johnston home is commonly covered; groundwater, long-term seepage and flooding usually are not, and flood damage generally needs separate cover. Photograph everything first.
My house is on a slope. Does that make it worse?
Usually. Water landing uphill of a Johnston house travels along the clay to the foundation, so intercepting it uphill often does more than extra pump capacity underneath.
Will my Johnston crawl space dry out if I open the vents?
Usually not. For much of the year the air around Johnston is warmer and wetter than the crawl space, so opening it up deposits moisture on the cool joists instead of carrying it away.
Why does my crawl space smell worse after the water was pumped out?
Because the water left but the moisture did not. Damp wood, damp soil and damp insulation keep feeding microbial growth, and the smell often becomes more noticeable once the space is opened up and air starts moving through it.
Structural drying near Johnston
We cover Johnston and the surrounding part of Edgefield County. The same service in nearby towns:
Other crawl space services in Johnston
Crawl Space Water Removal in Johnston
Standing water pumped and extracted from under the house, then the saturated material taken out.
Crawl Space Mold Remediation in Johnston
Contained removal of mold-affected material, HEPA cleaning, and the moisture source shut off.
Crawl Space Vapor Barrier Installation in Johnston
Sealed polyethylene over the soil and up the piers, so ground moisture stops entering the space.
Crawl Space Drainage and Sump Pump Installation in Johnston
Interior drainage to collect water, a sump and pump to lift it, and a discharge that takes it away.
Crawl Space Wood and Subfloor Repair in Johnston
Rotted joists, girders, rim joists and subfloor sections repaired or replaced once the space is dry.
Or see everything we cover in our Johnston service area, and how this service works across the state on the South Carolina page.
Crawl Space Structural Drying in Johnston
Call (888) 724-1354 and tell us your street and what the space looks like. We will tell you whether this is the right stage to start at.
Tell us what you are seeing under the house and we will tell you what it needs.