Seal out ground moisture for good. 20-mil reinforced vapor barrier, taped seams, wall & pier wrap, sealed vents, and a dedicated dehumidifier — installed in one to three days for most Charlotte homes.
A licensed local crew — usually out in 24 to 72 hours. Written scope, fixed price, no pressure.
Three weeks ago I was under a 1962 brick ranch off Union Rd, half a mile from the older residential grid where the block runs in tight rows of brick faces and shallow front porches. The owner had bought the place from her mother-in-law's estate and the closet in the back bedroom smelled like a wet cellar every August. She had gotten a quote from one of the regional franchise crews and they wanted to do a full encapsulation plus an interior perimeter drain plus a battery-backup sump on a house that had no active water intrusion. Zero. I crawled the whole footprint with a moisture meter and a flashlight and found dry block, dry piers, dry dirt under the sagging fiberglass, and 89 percent RH from the ambient humidity alone. She did not need a drain system. She needed a 20-mil liner, sealed vents, and a Santa Fe Compact 70 on its own circuit. That was it. She paid about a third of what the franchise wanted her to pay and her closet stopped smelling by the end of the second week.
That is the encapsulation story in Gastonia in one job. The problem here is almost never active water. It is ambient humidity. Gaston County dew points sit in the low 70s from June through September, same as Mecklenburg County across the Catawba, and vented block foundations under the 40s to 70s brick ranch belt along Franklin Blvd, Union Rd, New Hope Rd, and Cox Rd cannot fight that with 8-by-16 vents no matter what the code said in 1955. Every one of those vented crawls runs 80 to 95 percent RH from May through October. The water condenses on cold supply ducts, drips into what is left of the foil-faced fiberglass, and slowly cooks the joists and the girder from the inside. I have pulled batts out of houses on Ozark Ave that were mostly rodent nesting material and mildew by the time we got to them.
The mistake I see franchise crews making in Gastonia over and over is selling drainage where drainage is not needed. The industrial-corridor houses west and northwest of Downtown Gastonia, near the FUSE District redevelopment area and the old rail lines around the Loray Mill, do have foundation cracks and some of them do leak in a heavy summer storm. But most of those cracks are twenty or thirty years old and stable, and the fix is a downspout extension and a small regrade, not a full interior perimeter drain. On the 2000s tract stock in the Robinwood HOA and Sunset Lakes off Cox Rd and the newer stretches of Robinwood Rd, the crawls are dry as a bone but the builder threw down 6-mil, left the vents open, and never installed a dehumidifier. That is a two-and-a-half day retrofit with a proper 20-mil liner and a Santa Fe. Not a drainage job. Encapsulation done right for Gastonia is about matching the scope to the actual problem, and the actual problem here is almost always humidity plus builder shortcuts, not standing water. Free on-site inspection anywhere in Gaston County — Gastonia, Belmont, Mount Holly, Cramerton, Kings Mountain — with a fixed written quote and no surprises.
The Gastonia encapsulation process starts with an honest read of what the crawl actually needs versus what a franchise crew would try to sell. On the inspection I map the perimeter, note pier condition, check moisture readings on the block and on the joists, look for efflorescence or fresh water staining on the foundation walls, and probe the girder and rim joist for soft spots. Almost every job in this city ends up in one of three buckets. Bucket one: 40s to 70s brick ranch along Franklin Blvd, Union Rd, or New Hope Rd — vented block foundation, undersized vents, sagging fiberglass, dirt floor with builder 6-mil in rags. Scope is straight retrofit encapsulation. Bucket two: 2000s tract home in the Robinwood HOA or Sunset Lakes off Cox Rd — builder partial encapsulation with 6-mil ground cover, no wall liner, open vents, no dehumidifier. Scope is teardown and rebuild of what the builder missed. Bucket three: pre-1930s mill-era house near Downtown Gastonia or the Loray Mill area — brick pier foundation with no continuous perimeter, tight clearance, potentially unstable piers. Scope is pier-by-pier work plus liner across the ground plane and up any perimeter skirting.
Sequencing matters because the housing eras are so different. On the pre-1930s mill houses near Main Ave and around the Loray Mill area, we shore any out-of-plumb piers with a Tiger SmartJack or a Grip-Tite adjustable steel post before anything else touches the space. On the industrial-corridor homes west of Downtown Gastonia where old fill dirt sits under the footings, we address exterior grading and downspout extensions before we quote a single foot of interior work. Half the encapsulation quotes we write get downgraded on the inspection because the honest answer is fix the exterior first and monitor a season. On the 2000s Robinwood and Sunset Lakes tract stock, we notify the HOA if the condensate discharge line is visible from a common area — that goes through their standard architectural review process and has never been declined but the notification is required.
Gaston County permits are simpler than Mecklenburg. The encapsulation itself is not a permitted trade — vapor barrier, sealed vents, dehumidifier install without a new circuit — none of that requires a permit. The dedicated 20-amp circuit for the dehumidifier falls under a Gaston County electrical permit and we pull it. Structural repair — sistering joists, replacing a girder under a Union Rd brick ranch that has been rotting for decades, patching subfloor — requires a Gaston County building permit and inspection, and we pull those as part of the scope when they apply. The 2018 North Carolina Residential Code governs here same as everywhere else in the state; there are no Gaston County residential amendments that change the encapsulation game. Any contractor who quotes you permit fees on the encapsulation itself is padding. Ask them what section of the code and watch them fumble.
Materials for Gastonia encapsulation are the same 20-mil reinforced polyethylene we install anywhere in the metro — Viper CS, YellowGuard, and Americover depending on what the supplier has in stock. Not 12-mil. Not 10-mil. Definitely not the 6-mil builder plastic we tear out on almost every job here. Seams overlap 12 inches minimum with Polyken 337 or Nashua 357 double-sided PSA seam tape. Piers get individually wrapped and taped, which matters more in the pre-1930s mill houses near Downtown Gastonia and around the old Loray Mill than anywhere else in the market — those brick pier stacks wick ground moisture like sponges if you skirt around them with a continuous sheet instead of wrapping each one. Perimeter liner runs up the block walls 12 inches on the 40s to 70s ranch stock, mechanically terminated with a 1-inch by 1/8-inch aluminum bar bedded in SikaFlex-1a and fastened with 2-1/4-inch masonry screws every 12 inches. Vents get closed-cell foam blocks and exterior mechanical covers.
Dehumidifier sizing is where Gastonia gets its own spec calls. The 40s to 70s Franklin Blvd, Union Rd, and Ozark Ave ranches are typically 1,200 to 1,800 SF footprints with tight 24 to 30 inch clearance — a Santa Fe Compact 70 or an Aprilaire E070 handles those cleanly. The 2000s Robinwood HOA and Sunset Lakes tract stock is bigger, 2,000 to 2,800 SF with 36 to 42 inch clearance, and takes a Santa Fe Ultra98 or an Aprilaire E100 depending on moisture load and homeowner preference. AlorAir Sentinel HDi90 is our alternate spec if the homeowner wants a lower price point. Every dehumidifier goes on its own 20-amp circuit, humidistat set to 55 percent RH, drain to daylight where slope allows and condensate pump where it does not. Rim joist is Icynene open-cell foam at 3 inches on the ranch stock where the framing is irregular and Rockwool ComfortBatt R-15 mineral wool where the homeowner wants no foam or needs future access. Fiberglass in a conditioned crawlspace is not a thing we do. We tear it out and we do not put it back regardless of what the last contractor told you.
Yes — Gastonia is a regular encapsulation route. Free on-site inspection anywhere in Gastonia, fixed written quote before we touch anything.
Gastonia encapsulation lives and dies on ambient humidity control, not drainage — most of the housing stock here is dry-crawl, over-vented, and mis-quoted by franchise crews who default to full-drainage scopes that Charlotte and Union County houses need but Gaston County houses usually do not.
28052, 28054, 28056. All Gaston County addresses covered.
Probably not. Most Gastonia crawls do not have active water — they have humidity. The 40s to 70s brick ranches along Franklin Blvd, Union Rd, and New Hope Rd are dry-crawl with 80 to 95 percent ambient RH from May through October, which is a dehumidifier and liner problem, not a drainage problem. The industrial-corridor homes west of Downtown Gastonia can have old stable foundation cracks that leak in heavy storms, but the fix there is usually a downspout extension and a regrade, not a full interior perimeter drain. I will crawl the full footprint on the free inspection with a moisture meter and tell you what your house actually needs. If it needs drainage, you will get that scope. If it does not, you will get a smaller scope and pay less. That is the whole difference between us and the franchise crews here.
Depends on what the builder installed and what condition it is in twenty years later. On most Robinwood and Sunset Lakes tract homes from that era the builder threw down 6-mil plastic across the ground, skirted the piers with a continuous sheet, left the vents wide open, and never installed a dehumidifier. That is not encapsulation. That is a vapor retarder with marketing. Your crawl is running 70 to 85 percent RH under that setup and your AC is paying for it. The fix is not full teardown — we salvage what works. Tear out the 6-mil, install 20-mil with individually wrapped piers, seal all four vents with foam blocks and mechanical covers, terminate the walls with a mechanical bar, add a Santa Fe Compact 70 on its own 20-amp circuit. Two to three days on site. HOA notification for the condensate line placement is handled by us.
Yes. The pre-1930s mill houses near Downtown Gastonia and around the old Loray Mill area have shallow brick pier foundations with no continuous perimeter — the space between the piers is either lattice skirting or an infill knee wall added later. The approach is 20-mil across the entire ground plane and up the interior side of the perimeter skirting or knee wall, seal any exterior openings with foam and mechanical covers, wrap each pier individually with liner and Polyken tape, and terminate with a mechanical bar where there is enough wall to fasten to. If any piers are structurally sketchy — out of plumb, shimmed with random material, on inadequate footings — we shore with a Tiger SmartJack or Grip-Tite adjustable post before the liner goes down. Dehumidifier sizing is the same as any other house. These jobs take longer because the clearance is tight and the work is fiddly but they are absolutely doable.
For a typical 1,500 to 2,000 SF brick ranch off Franklin Blvd or Union Rd with no active water intrusion, count on two to three business days from inspection to written proposal, then two and a half to three days on site with a two- to three-person crew once you approve the scope. The 2000s Robinwood tract stock is faster because the crawls are taller and easier to work in — two days on site is typical there. The pre-1930s mill houses near Downtown Gastonia take four to five days on site because the tight clearance slows every task down. If structural repair is in scope — girder replacement under a Union Rd ranch, joist sistering across a rotted footprint — add two to four days depending on scope. RH under the house typically drops from the 80s at inspection to the low 50s within a week of the dehumidifier being commissioned.
Free on-site Gastonia inspection. Fixed written quote. Call (980) 227-1769 or book below.