What crawl Space Vapor Barrier Installation involves in Summerville is the same as anywhere. What differs is the condition it is dealing with, and that is set by the ground the house sits on.
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 Summerville 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 Summerville 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.
Summerville at a glance
| County | Dorchester County |
|---|---|
| ZIP | 29483 |
| Elevation | about 72 ft |
| Region | Lowcountry and coastal plain |
Named water nearby
- Lake Ashborough (reservoir)
- Lake Carie Yelleau (reservoir)
- Schultz Lake (lake)
- Bobs Lake (lake)
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
The scope on a Dorchester County 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 gap between a drying job and a structural repair in Summerville is usually measured in seasons, not years.
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 Summerville: common questions
Barrier or full encapsulation for a Summerville home?
A barrier covers the ground and stops soil moisture. Encapsulation seals the walls and vents too and controls humidity directly. Which one your Dorchester County property needs should follow a humidity reading, not a preference.
There is already plastic under my Summerville house. Is that enough?
Often not. Most of what we find has been laid loose, has torn, or was never sealed at the seams and walls. Unsealed sheeting performs much closer to bare soil than to a finished barrier.
Is crawl space water damage covered by insurance?
It depends on the cause, not the address. A burst pipe in a Summerville home is commonly covered; groundwater, long-term seepage and flooding usually are not, and flood damage generally needs separate cover. Photograph everything first.
Does storm flooding reach crawl spaces around Summerville?
Yes, and often with nothing visibly broken. After a tropical system the usual picture in Dorchester County is a saturated crawl space where the water came up through the ground rather than out of a pipe.
Will my Summerville crawl space dry out if I open the vents?
Usually not. For much of the year the air around Summerville is warmer and wetter than the crawl space, so opening it up deposits moisture on the cool joists instead of carrying it away.
Should the crawl space vents be closed?
It depends on your climate. In humid regions, open vents often bring in air that is wetter than the crawl space, which deposits moisture on cool surfaces instead of removing it — so sealing vents and controlling humidity mechanically usually performs better. In drier climates venting can work. This should follow readings, not a rule.
Vapor barrier near Summerville
We cover Summerville and the surrounding part of Dorchester County. The same service in nearby towns:
Other crawl space services in Summerville
Crawl Space Water Removal in Summerville
Standing water pumped and extracted from under the house, then the saturated material taken out.
Crawl Space Structural Drying in Summerville
Joists, girders and subfloor dried back to a measured target with air movers and dehumidification.
Crawl Space Mold Remediation in Summerville
Contained removal of mold-affected material, HEPA cleaning, and the moisture source shut off.
Crawl Space Drainage and Sump Pump Installation in Summerville
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 Summerville
Rotted joists, girders, rim joists and subfloor sections repaired or replaced once the space is dry.
Or see everything we cover in our Summerville service area, and how this service works across the state on the South Carolina page.
Crawl Space Vapor Barrier Installation in Summerville
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.