crawl Space Structural Drying is rarely the whole job. On a Longs property it sits inside a sequence — the source gets established first, and whatever follows depends on what that inspection finds.
The water is gone but the wood is still wet, and wet wood is what fails.
Structural drying on lowcountry and coastal plain ground
Drying a Longs crawl space means fighting the outside air for much of the year. Coastal humidity is high enough that ventilation adds moisture rather than removing it, so this is a closed, dehumidified process with the vents shut, not an airing-out.
Coastal Horry County humidity is the other half of it. For much of the year the outside air here is wetter than the crawl space, so any approach that relies on ventilation to finish the job works against itself.
Longs at a glance
| County | Horry County |
|---|---|
| ZIP | 29568 |
| Elevation | about 36 ft |
| Region | Lowcountry and coastal plain |
Named water nearby
- the River Swamp (swamp)
- Flat Lake (lake)
- Big Savannah Bluff Lake (lake)
- Live Oak Lake (lake)
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 is included on a typical Longs property:
- 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
A crawl space problem in Longs is not self-limiting. The conditions that created it are still there, and they are still working.
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 Longs: common questions
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 Horry County, where the outside air is wet for much of the year, that often makes the space damper.
How do you know when a Longs crawl space is actually dry?
By reading it. We mark points on the joists and subfloor and re-read the same points through the job, finishing when they hold at target rather than after a set number of days.
Does being close to the coast make this worse?
It raises the water table and lengthens the wet season, which is why homes near the River Swamp and the low ground around Longs tend to need drainage as well as a barrier.
My house is near the River Swamp. Does that change anything?
It can. Being close to the River Swamp usually means a higher water table and a longer wet season under the floor, so drainage and a properly sealed barrier matter more here than they would further from it.
Why is my Longs crawl space wet when nothing has leaked?
Near Longs that is the normal pattern rather than the exception. At around 36 feet on the coastal plain, the water table sits close enough to the surface that soil under the house can be saturated with no pipe broken.
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 Longs
We cover Longs and the surrounding part of Horry County. The same service in nearby towns:
Other crawl space services in Longs
Crawl Space Water Removal in Longs
Standing water pumped and extracted from under the house, then the saturated material taken out.
Crawl Space Mold Remediation in Longs
Contained removal of mold-affected material, HEPA cleaning, and the moisture source shut off.
Crawl Space Vapor Barrier Installation in Longs
Sealed polyethylene over the soil and up the piers, so ground moisture stops entering the space.
Crawl Space Drainage and Sump Pump Installation in Longs
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 Longs
Rotted joists, girders, rim joists and subfloor sections repaired or replaced once the space is dry.
Or see everything we cover in our Longs service area, and how this service works across the state on the South Carolina page.
Crawl Space Structural Drying in Longs
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.