Open your crawl space door in a Georgia August and you can feel the air come out at you. It's heavy, and it smells a little like an old cellar. Atlanta crawl space encapsulation closes that air off, so it stops feeding mold and softening your floors.
We work across metro Atlanta, on everything from tight in-town crawl spaces to tall ones on sloped lots. Crawl space encapsulation atlanta ga homes need starts with humidity readings, so you'll know where you stand.
The short answer
Atlanta crawl space encapsulation seals the space under your home with a thick liner, closed vents and a dehumidifier. It's a good match for Georgia's long humid season, which keeps vented crawl spaces damp. If water comes in on your sloped lot, drainage goes in first. Most jobs take 1–3 days.
Why foundations move in Atlanta
Atlanta crawl spaces stay damp because the air outside stays humid for months. Warm air comes through the vents, hits cooler surfaces and condenses. Red clay holds ground moisture too, and it sends more of that into the air.
Mold on the joists is the most common thing we find in summer. It usually shows up as a fuzzy film on wood near the outside walls, and you may smell it upstairs. That damp wood also softens over time, and your floors start to feel it.
Sloped lots add water to the mix. If rain runs toward your home, you'll need drainage first, since a liner can't hold back liquid water. We'll tell you if you need that, and if you don't.
What we fix in Atlanta
- crawl space encapsulation: Liner, sealed vents and a dehumidifier sized for Georgia summers.
- crawl space waterproofing: Drainage first, when water reaches the crawl space.
- crawl space repair: Replacing soft wood before it gets sealed in.
- sagging floor repair: Fixing floors that have softened over damp years.
- helical piers: Support for porches and additions on sloped lots.
- free foundation inspection: Humidity readings and photos at no charge.
Neighborhoods and nearby towns we serve
We work across the metro area, in-town and in the suburbs. Older in-town homes tend to have low crawl spaces, and newer homes on slopes tend to have drainage issues.
- Marietta
- Roswell
- Decatur
- Alpharetta
- Smyrna
- Sandy Springs
- Dunwoody
This page covers one service. For everything else we do here, see foundation repair in Atlanta.
What foundation repair usually runs in Atlanta
Foundation repairs usually run $2,200–$8,100 nationally, and major jobs can reach $10,000–$30,000. Those are national ranges, not Atlanta prices, and your exact price depends on what we find at the inspection. Here's more on foundation repair cost.
Square footage sets the starting point. Height, old insulation and how much drainage or wood repair you need decide the rest.
How your free inspection works
- We take humidity and wood moisture readings under the house.
- We photograph the joists, insulation and any standing water.
- You get the numbers and a written plan, with an honest answer on whether you need it.
Crawl space encapsulation in Atlanta: common questions
What humidity should an Atlanta crawl space be?
Aim for below 60%, and around 50% is better. Vented crawl spaces here often read much higher in summer, which is when mold grows. Leave a hygrometer down there for a week in July to get a real number. A reading from January won't tell you much.
Do I need a dehumidifier after sealing a crawl space in Georgia?
In most cases, yes. Sealing stops new humid air from getting in, but moisture still comes from the wood, the soil at the edges and the house above. A correctly sized unit holds the space under 60%. We check the readings afterward to make sure it's working.
Do I need a permit for crawl space encapsulation in Atlanta?
It depends on the job and the address. Small crack repairs often don't need one, while structural work usually does. Check with the Atlanta building department; we handle permits where they're required. We'll tell you up front if your crawl space encapsulation needs one and include it in your written estimate.
How soon can you look at my Atlanta home for crawl space encapsulation?
Usually within a few days. Book online and we'll confirm a time. We'll ask for your ZIP code first to confirm that your Atlanta address is in our area. Most visits take 45–90 minutes, and you'll want to be home so we can walk you through what we find.