We will tell you if crawl Space Vapor Barrier Installation is not what your Wallace 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 midlands and sandhills ground
Around Wallace the soil dries at the surface and stays damp below, which makes a bare crawl space floor deceptive: it can look dry while still feeding moisture upward. Sealing the ground is what stops that, and the seams and pier wraps are what make the sealing real.
Near the Pee Dee River and the lower ground around Wallace, this work usually has to account for both surface water in storms and soil moisture the rest of the year.
Wallace at a glance
| County | Marlboro County |
|---|---|
| ZIP | 29596 |
| Elevation | about 151 ft |
| Region | Midlands and Sandhills |
Named water nearby
- the Pee Dee River (stream)
- the Little Pedee River (stream)
- J E Powe Pond (reservoir)
- Rollins Pond (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
The scope on a Marlboro 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
Waiting is the expensive option here. Moisture that has been under a Wallace floor for a year has already changed what the repair involves.
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 Wallace: 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 the Pee Dee River, drainage comes first or the sheeting simply floats on it.
Barrier or full encapsulation for a Wallace home?
A barrier covers the ground and stops soil moisture. Encapsulation seals the walls and vents too and controls humidity directly. Which one your Marlboro County property needs should follow a humidity reading, not a preference.
Do you work outside Wallace itself?
Yes. We cover Marlboro County broadly, including Cheraw, Bennettsville and Chesterfield, and the rest of the Midlands and Sandhills of South Carolina.
How do I know whether it is groundwater or a leak?
That is the first thing we establish on a Wallace call, because everything after it depends on the answer. A supply line, a drain, water rising through the soil and runoff coming in through the vents each leave different evidence.
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 Wallace property changes that.
What is the difference between a vapor barrier and encapsulation?
A vapor barrier covers the soil and stops ground moisture evaporating into the space. Encapsulation goes further — ground, walls and usually the vents are sealed and the space is brought inside the building envelope, normally with a dehumidifier to control humidity directly. Encapsulation does more and costs more.
Vapor barrier near Wallace
We cover Wallace and the surrounding part of Marlboro County. The same service in nearby towns:
Other crawl space services in Wallace
Crawl Space Water Removal in Wallace
Standing water pumped and extracted from under the house, then the saturated material taken out.
Crawl Space Structural Drying in Wallace
Joists, girders and subfloor dried back to a measured target with air movers and dehumidification.
Crawl Space Mold Remediation in Wallace
Contained removal of mold-affected material, HEPA cleaning, and the moisture source shut off.
Crawl Space Drainage and Sump Pump Installation in Wallace
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 Wallace
Rotted joists, girders, rim joists and subfloor sections repaired or replaced once the space is dry.
Or see everything we cover in our Wallace service area, and how this service works across the state on the South Carolina page.
Crawl Space Vapor Barrier Installation in Wallace
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.