Most Awendaw homeowners arrive at crawl Space Vapor Barrier Installation 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.
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 Awendaw 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 Awendaw 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.
Awendaw at a glance
| County | Charleston County |
|---|---|
| ZIP | 29429 |
| Elevation | about 20 ft |
| Region | Lowcountry and coastal plain |
Named water nearby
- Lake Awendaw (reservoir)
- the Harbor River (stream)
- Fish Pond (lake)
- Bulls Bay (bay)
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 we do on a Awendaw job of this kind:
- 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
Left alone, a wet Awendaw crawl space does not stabilise — it keeps feeding moisture into the floor structure until something upstairs gives.
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 Awendaw: common questions
Barrier or full encapsulation for a Awendaw home?
A barrier covers the ground and stops soil moisture. Encapsulation seals the walls and vents too and controls humidity directly. Which one your Charleston County property needs should follow a humidity reading, not a preference.
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 Lake Awendaw, drainage comes first or the sheeting simply floats on it.
Do you work outside Awendaw itself?
Yes. We cover Charleston County broadly, including Mc Clellanville, Huger and Bethera, and the rest of the Lowcountry and coastal plain of South Carolina.
What should I have ready when I call about my Awendaw home?
Your street in Awendaw, when you first noticed it, and what you can see or smell — standing water, a waterline on the piers, insulation hanging down, or a floor that has gone soft. Photographs help.
Can I stay in the house while the work is done?
In almost all cases, yes. The work happens under the floor, and access is usually through an exterior hatch. We will tell you up front if anything about your Awendaw property changes that.
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 Awendaw
We cover Awendaw and the surrounding part of Charleston County. The same service in nearby towns:
Other crawl space services in Awendaw
Crawl Space Water Removal in Awendaw
Standing water pumped and extracted from under the house, then the saturated material taken out.
Crawl Space Structural Drying in Awendaw
Joists, girders and subfloor dried back to a measured target with air movers and dehumidification.
Crawl Space Mold Remediation in Awendaw
Contained removal of mold-affected material, HEPA cleaning, and the moisture source shut off.
Crawl Space Drainage and Sump Pump Installation in Awendaw
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 Awendaw
Rotted joists, girders, rim joists and subfloor sections repaired or replaced once the space is dry.
Or see everything we cover in our Awendaw service area, and how this service works across the state on the South Carolina page.
Crawl Space Vapor Barrier Installation in Awendaw
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.