Crawl Space Encapsulation in Greensboro, NC
HydroHelp911 does crawl space encapsulation in Greensboro and Guilford County, from our office on West Cornwallis Drive. If you're looking for a reliable contractor for crawl space encapsulation, you're in the right place: we'll help you understand what is going on with your crawl space and recommend repairs built to last. Start with a free inspection, or read on to learn more. The ground in Greensboro is mostly clay, rated moderate for swelling and shrinking.
Get a Free Inspection
Two ways to start. Both are free, with no obligation.
Pick your own day in our calendar. You save $250 if you go ahead with the work.
Send a short form, and our office will call to book a time that suits you.
For new customers who book online through our website and then sign a contract.
Greensboro office
1515 W Cornwallis Dr Suite 201-B
Greensboro, NC 27408
Phone
(336) 914-5532Hours
Monday to Friday, 8:00 AM to 9:00 PM. Saturday, 8:00 AM to 4:00 PM
Crawl Space Encapsulation in Greensboro
Who Handles Crawl Space Encapsulation Near You in Greensboro?
Crawl space encapsulation in Greensboro is handled by our Greensboro office, which is in town.
Soil: clay
Expansion risk: moderate
Housing: U.S. Census Bureau, American Community Survey.
Crawl spaces in Greensboro
When Were Most Greensboro Homes Built?
Based on U.S. Census Bureau survey data, the median Greensboro home was built in 1984, and about 44 percent of all 133,029 housing units counted, apartments and attached homes included, were built before 1980. More of them went up in the 1980s than in any other decade, 21,239 homes.
Based on NOAA 1991 to 2020 climate normals for Piedmont Triad International Airport, about 7 miles away, the average July dew point near Greensboro is about 67 degrees. Dew point is the temperature at which water condenses out of the air, so in a vented crawl space, July air can leave water on a pipe, duct or joist that is cooler than about 67 degrees.
| Built | Homes | Share |
|---|---|---|
| Before 1940 | 6,974 | 5% |
| 1940s | 5,099 | 4% |
| 1950s | 13,998 | 11% |
| 1960s | 14,424 | 11% |
| 1970s | 17,761 | 13% |
| 1980s | 21,239 | 16% |
| 1990s | 20,563 | 15% |
| 2000s | 20,429 | 15% |
| 2010s | 12,098 | 9% |
| 2020 on | 444 | under 1% |
Housing: U.S. Census Bureau, American Community Survey, year structure built, for Greensboro. Counts are housing units. Climate: NOAA U.S. Climate Normals 1991 to 2020, GREENSBORO WTP (USC00313625); July dew point averaged from the 744 hourly normals at PIEDMONT TRIAD INTL AP (USW00013723), retrieved October 9, 2026.
The ground in Greensboro
How Does Greensboro Soil Affect Crawl Spaces?
Cecil and Mecklenburg are the most common soils in the USDA sample inside Greensboro. Of the five points the USDA sampled inside Greensboro, two are Cecil, two are Mecklenburg and one is Vance. The wider county survey for Guilford County leads with Enon, at about a fifth of the land, then Cecil, Clifford and Mecklenburg. The USDA rates the sample inside Greensboro moderate for swelling and shrinking, which means it swells noticeably when it gets wet and shrinks as it dries.
Cecil is a deep soil that formed in place as pale rock such as granite and gneiss beneath it weathered, usually found on ridges and hillsides. Its top layer is sandy loam, and under that is red clay. Loam is soil with a mix of sand, silt and clay. It drains well.
Mecklenburg is a deep soil that formed in place as darker rock rich in iron and magnesium beneath it weathered, usually found on ridges and hillsides. Its top layer is loam, and under that is yellowish red clay. It drains well, and the USDA rates it moderate for swelling and shrinking, which means it swells noticeably when it gets wet and shrinks as it dries.
What It Means for Your Home
- What works in your favorCecil drains well, so rain usually soaks away instead of collecting on the crawl space floor.
- What to watchEven soil that drains well can stay wet where roof runoff collects beside a house, and the ground under a crawl space still gives off moisture into the air. Open vents let in humid summer air on top of that.
- Signs you might noticeLook for condensation on HVAC vents, cold floors, and high humidity under the house.
- How we address itOur usual recommendation is full encapsulation: a sealed vapor barrier over the ground, walls and piers, a crawl space dehumidifier, and sealed vents, which stay closed once the space is encapsulated. Where water reaches the floor, a drainage system is part of the job.
Soil survey: USDA NRCS Soil Data Access (SSURGO), sdmdataaccess.nrcs.usda.gov. Inside Greensboro, the survey maps Cecil, Mecklenburg and Vance series. USDA rates the soil moderate for swelling and shrinking (weighted linear extensibility 3.5 percent). Across Guilford County, it maps Enon, Cecil, Clifford and Mecklenburg series. Series descriptions: USDA NRCS Official Series Descriptions for Cecil and Mecklenburg.
Our approach
How Do We Approach Crawl Space Encapsulation in Greensboro?
Most crawl space problems in Greensboro come down to one thing: moisture. A vented crawl space in our climate is exposed to bare soil below and warm, humid outside air flowing in through the vents, and that combination keeps the space damp for much of the year.
Crawl space encapsulation is the process of sealing the crawl space into a clean, dry, controlled environment.
It usually combines a heavy liner across the floor, up the foundation walls and around the piers, sealed foundation vents that stop humid air from entering, insulation where it belongs, and humidity control with a dehumidifier installed in the crawl space, plus interior drainage where water gets in.
The result is a crawl space that no longer feeds moisture into the framing, ductwork, and insulation above it. Homeowners often notice lower humidity in the rooms above and less of a musty smell.
Our process is simple:
- A free inspection to find where the moisture is coming from
- A plain explanation of what we see
- A recommendation built around your crawl space
Some homes need full encapsulation with a dehumidifier and interior drainage; others need only a vapor barrier and sealed vents. The crawl space encapsulation warning signs and the crawl space encapsulation solutions explain each one in plain terms.
Warranty terms, with their conditions, are on our warranties page.
How Much Rain and Humidity Does Greensboro Get?
Based on NOAA 1991 to 2020 climate normals for the Greensboro Water Treatment Plant weather station, about 1 mile away, Greensboro averages 45.9 inches of precipitation a year and a July dew point of about 67 degrees, with about 63 days a year when the low reaches 32 degrees or colder.
Climate: NOAA 1991 to 2020 normals, the Greensboro Water Treatment Plant weather station and Piedmont Triad International Airport.
What we install
Which Crawl Space Encapsulation Solutions Do We Install in Greensboro?
-
Vapor Barrier Installation in Greensboro
Installing a sealed liner across the crawl space floor, foundation walls and piers to block ground moisture from rising into the home. -
Dehumidifier Installation in Greensboro
Installing a crawl space dehumidifier to hold humidity at a stable, safe level and keep an encapsulated space dry year round. -
Crawl Space Insulation in Greensboro
Adding or replacing crawl space insulation to reduce heat loss, warm the floors above, and protect the sealed space from temperature swings. -
Crawl Space Vent Sealing in Greensboro
Sealing open crawl space vents to stop humid outside air from entering and undermining the rest of the encapsulation. -
Drainage System Installation in Greensboro
Installing an interior crawl space drainage system and sump pump to collect and remove water that reaches the crawl space floor.
Cost and scope
What Does Crawl Space Encapsulation Cost in Greensboro?
The price of crawl space encapsulation depends on what the inspection finds. The free inspection ends with a written estimate that spells out the method, scope, and price.
What Moves the Price?
- What the inspection finds
- The method that fits your home
- The size of the area involved
When Is Crawl Space Encapsulation Not the Right Fix?
If your crawl space only needs a vapor barrier and sealed vents, we will tell you that and recommend only what your crawl space needs.
Where we work
Which Neighborhoods in Greensboro Do We Serve?
- Adams Farm
- Asheboro Community
- Brandt Trace Farms
- Brookwood Gardens
- Carriage Hills
- Downtown
- Dunleath
- Englewood Forest
- Forest Valley
- Friendly Lakes
- Glendale Hills
- Guilford Hills
- Hamilton Hills
- Hewitt Area
- Hunter Hills
- Lake Jeanette
- Latham Park
- Nealtown Farms
- O Henry Oaks
- Phillips Ave
- Rotherwood
- Sedgefield Lakes
- Southmont
- Sunset Hills
And 23 more neighborhoods inside the Greensboro city limits.
The city covers ZIP codes 27214, 27235, 27282, 27301, 27310, 27358, 27405, 27406, 27407, 27408, 27409, 27410, 27455.
Problem signs
What Are the Signs You May Need Crawl Space Encapsulation in Greensboro?
- High Humidity LevelsHigh humidity in a crawl space is moisture held in the air beneath your home, a separate condition from standing water, though the two often occur together.
- Musty OdorsA musty odor is a stale, earthy smell like a damp basement, usually strongest in lower rooms, near floor vents, and on humid days.
- Standing Water in Crawl SpaceStanding water in a crawl space is liquid water collected on the floor, on the vapor barrier, or in low spots over the soil.
- Condensation on HVAC VentsCondensation on HVAC vents and ducts is water that forms on cooler registers, supply boots, and ductwork when the surrounding air is warm and humid enough to reach its dew point, the same way a cold glass sweats in summer.
- Cold Floors Above Crawl SpaceCold floors above a crawl space feel noticeably cooler than the room air, often across a whole room or hallway, and most of all in a Carolina winter.
The crew
Some of the Team Members Who Work in Your Area
Greensboro is served from our Greensboro office. The same company schedules the inspection, runs the install, and answers a warranty call later.
Google reviews
What Do Homeowners Say?
Hydro Help did a nice job on our crawlspace encapsulation as well as repairing some structural damage. The foreman Dakota Hylton and crew were good at describing what was to take place each day and we were pleased with the end result.
I consulted Hydrohelp 911 with the humidity issue in my crawl space, they responded quickly and provided thorough information on how to resolve the issue. Jeremy and Dakota arrived on time, and got their work started, they were very professional, efficient and respectful. They installed encapsulation vapor barrier and dehumidifier. Their work was very clean and precise. Changed the entire look of the crawlspace to very clean and neat. Highly recommend Hydrohelp 911.
What Do Greensboro Homeowners Ask About Crawl Space Encapsulation?
Don't see your question here? Call or fill out our quick online form, and our team will help.
There is no single price for crawl space encapsulation, because the cost depends on the size of the crawl space, the condition it starts in, and which components it needs. Your free inspection gives you a written estimate for your home, at no cost. For a rough figure before the visit, the cost calculator on our website gives a starting estimate. Financing is available, and your inspector can go over the options with you when you get your written estimate.
Nearby Towns
Which Towns Near Greensboro Do We Also Serve?
Schedule a Free Inspection for Crawl Space Encapsulation in Greensboro
Two ways to start. Both are free, with no obligation.
Pick your own day in our calendar. You save $250 if you go ahead with the work.
Send a short form, and our office will call to book a time that suits you.
For new customers who book online through our website and then sign a contract.
- Warranty terms and conditions
- 1,300+ verified Google reviews (4.9 stars)
- BBB A+ Accredited
- Financing options
Locally owned, headquartered in Dallas, NC, and serving the Carolinas since 2017. All service areas
Get the Free Crawl Space Guide
A free guide for homes in North and South Carolina: where crawl space moisture comes from, the signs worth writing down, and how crawl space repair and encapsulation work, in plain language.
- A crawl space checklist to walk your home with
- Where crawl space moisture comes from, from the mountains to the coast
- How a vapor barrier and full encapsulation differ
- Questions to ask about a crawl space estimate