Taken on its own, crawl Space Vapor Barrier Installation treats one part of the problem. Taken in order, it is the part that makes the rest hold. That is how we schedule it on Williams jobs.
Bare soil under the house is evaporating moisture into the space every day.
Vapor barrier on lowcountry and coastal plain ground
A barrier earns its keep faster around Williams than almost anywhere. With the water table close to the surface the soil underneath is damp more or less permanently, so an uncovered crawl space floor is evaporating into the space every day of the year.
In Williams the complication is the water table. It sits close enough to the surface that soil under a house can be saturated with nothing broken, so this work is usually dealing with moisture arriving from below rather than from a failure inside the house.
Williams at a glance
| County | Colleton County |
|---|---|
| ZIP | 29493 |
| Elevation | about 102 ft |
| Region | Lowcountry and coastal plain |
Named water nearby
- Bryans Lake (lake)
- J J Padgett Pond (reservoir)
- the Willow Swamp (stream)
- the Hog Branch (stream)
Signs you need this
- Bare soil anywhere on the crawl space floor
- Existing sheeting that is torn, bunched or not sealed at seams
- Barrier that stops short of the walls and piers
- Crawl space relative humidity holding above 60 percent
What the work involves
What is included on a typical Williams property:
- Clearing and preparation of the crawl space floor
- Reinforced polyethylene barrier across the full soil area
- Overlapped and sealed seams
- Barrier carried up and sealed to walls and piers
Why it is worth dealing with now
The cost of this work does not stay flat. Every season a Williams 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 Vapor Barrier Installation page, and how it behaves across the state is on the Vapor barrier in South Carolina page.
Vapor barrier in Williams: common questions
Will a barrier stop water that is already getting in?
No. A barrier manages soil moisture and vapor, not liquid water under pressure. If water is entering the space near Bryans Lake, drainage comes first or the sheeting simply floats on it.
Barrier or full encapsulation for a Williams home?
A barrier covers the ground and stops soil moisture. Encapsulation seals the walls and vents too and controls humidity directly. Which one your Colleton County property needs should follow a humidity reading, not a preference.
Does being close to the coast make this worse?
It raises the water table and lengthens the wet season, which is why homes near Bryans Lake and the low ground around Williams tend to need drainage as well as a barrier.
Does storm flooding reach crawl spaces around Williams?
Yes, and often with nothing visibly broken. After a tropical system the usual picture in Colleton County is a saturated crawl space where the water came up through the ground rather than out of a pipe.
Why is my Williams crawl space wet when nothing has leaked?
Near Williams that is the normal pattern rather than the exception. At around 102 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.
Will a barrier fix water that is already coming in?
No. A barrier manages soil moisture and vapor, not liquid water under pressure. If groundwater or surface runoff is entering the space, that needs drainage and a sump before a barrier will do its job.
Vapor barrier near Williams
We cover Williams and the surrounding part of Colleton County. The same service in nearby towns:
Other crawl space services in Williams
Crawl Space Water Removal in Williams
Standing water pumped and extracted from under the house, then the saturated material taken out.
Crawl Space Structural Drying in Williams
Joists, girders and subfloor dried back to a measured target with air movers and dehumidification.
Crawl Space Mold Remediation in Williams
Contained removal of mold-affected material, HEPA cleaning, and the moisture source shut off.
Crawl Space Drainage and Sump Pump Installation in Williams
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 Williams
Rotted joists, girders, rim joists and subfloor sections repaired or replaced once the space is dry.
Or see everything we cover in our Williams service area, and how this service works across the state on the South Carolina page.
Crawl Space Vapor Barrier Installation in Williams
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.