We will tell you if crawl Space Vapor Barrier Installation is not what your Greenville crawl space actually needs. Doing this stage out of order is the most common reason the work has to be repeated.
Bare soil under the house is evaporating moisture into the space every day.
Vapor barrier on piedmont and upstate ground
On clay the ground under a Greenville house holds water long after rain, so the barrier is doing two jobs — stopping soil moisture coming up, and keeping the space off ground that stays wet for days at a time.
Clay also makes Greenville 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.
Greenville at a glance
| County | Greenville County |
|---|---|
| ZIP | 29601 |
| Elevation | about 984 ft |
| Region | Piedmont and Upstate |
Named water nearby
- the Reedy River Falls (falls)
- Stone Lake (reservoir)
- Lake Fairfield (reservoir)
- Woods Lake (reservoir)
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 Greenville 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
Nothing about a damp Greenville crawl space improves on its own. The space is enclosed, shaded and over soil — all three work against it drying out.
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 Greenville: common questions
Barrier or full encapsulation for a Greenville home?
A barrier covers the ground and stops soil moisture. Encapsulation seals the walls and vents too and controls humidity directly. Which one your Greenville County property needs should follow a humidity reading, not a preference.
There is already plastic under my Greenville 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.
Do you cover all of Greenville?
Yes — Greenville and the surrounding part of Greenville County, including the 29601 area. We also work in nearby Conestee, Mauldin and Taylors.
What should I have ready when I call about my Greenville home?
Your street in Greenville, 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.
How quickly does water under a Greenville house need to come out?
Quickly. Wood starts absorbing moisture immediately and mold can establish on damp material within roughly 24 to 48 hours. In Greenville County that window is shorter in summer than in winter, because the space stays warm and humid.
I already have plastic down there. Is that enough?
Often not. Most of the sheeting we find has been laid loose, has torn, has pulled away from the walls or was never sealed at the seams. Unsealed, incomplete sheeting lets ground moisture track around and through it, and performs much closer to bare soil than to a finished barrier.
Vapor barrier near Greenville
We cover Greenville and the surrounding part of Greenville County. The same service in nearby towns:
Other crawl space services in Greenville
Crawl Space Water Removal in Greenville
Standing water pumped and extracted from under the house, then the saturated material taken out.
Crawl Space Structural Drying in Greenville
Joists, girders and subfloor dried back to a measured target with air movers and dehumidification.
Crawl Space Mold Remediation in Greenville
Contained removal of mold-affected material, HEPA cleaning, and the moisture source shut off.
Crawl Space Drainage and Sump Pump Installation in Greenville
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 Greenville
Rotted joists, girders, rim joists and subfloor sections repaired or replaced once the space is dry.
Or see everything we cover in our Greenville service area, and how this service works across the state on the South Carolina page.
Crawl Space Vapor Barrier Installation in Greenville
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.