Seal out moisture, mold, and pests. Protect your home from the ground up with a professionally encapsulated crawl space.
I'm Ready For A Free Quote
Thank You For Your Submission!
A team member will be reaching out to you shortly.
Crawl Space Warning Signs
These warning signs mean moisture is already doing damage under your home.
That damp, earthy smell in your hallway or living room usually starts under the house. Moisture from bare dirt feeds mold — and the odor rises right through your floors into the air your family breathes.
Floors that feel soft, uneven, or bouncy mean the wood underneath is getting weak. Moisture rots floor joists over time, and the damage only gets worse the longer it sits.
White, green, or black mold on your floor joists and subfloor means humidity is way too high. Once mold starts, it spreads fast — and the spores travel into your living space through every gap in the floor.
Water pooling in your crawl space after rain is a serious problem. It speeds up mold growth, attracts termites and pests, and breaks down the wood that holds up your home.
Crawl space encapsulation turns a damp, dirt-floor crawl space into a clean, dry, sealed space. A heavy-duty vapor barrier locks out moisture from the ground. Sealed vents stop humid air from pouring in. A commercial dehumidifier keeps the space dry for good. The result is cleaner air inside your home, stronger floors, and lower energy bills.
A 20-mil reinforced vapor barrier covers the entire floor and runs up the walls. Every seam gets taped and sealed so no moisture passes through. This is the core of every encapsulation job — it cuts off the biggest source of humidity under your house.
If water pools under your home after rain, we install a drainage system beneath the vapor barrier to move it to a sump pit and pump it out. The barrier stays dry on top while the drain handles the water underneath.
A commercial-grade dehumidifier keeps humidity below the mold threshold after everything is sealed. Big-box dehumidifiers burn out in a year — ours are built for crawl spaces and run continuously with minimal maintenance.
Our Process
We go under your house, take moisture readings, check for mold, look at the floor joists, and photograph everything. Then we show you exactly what we found and explain what it means — in plain English.
No two crawl spaces are the same. We build a plan based on what your home actually needs — whether that's drainage, mold treatment, structural repair, or just a barrier and dehumidifier. You get a written estimate with every line item explained.
Our crew covers the floor and walls with a heavy-duty reinforced vapor barrier, seals every vent, and installs drainage if water is an issue. Everything gets taped, fastened, and sealed tight.
We install a commercial-grade dehumidifier to keep humidity in check. Then we walk you through the finished crawl space, show you photos, and explain what to expect going forward.
Most homeowners who call us have already been online for hours. They've read the horror stories about oversold jobs, cheap materials, and companies that disappear after cashing the check. We get it. That's why we show you photos from your own crawl space, explain every line on the estimate, and give you time to decide — no pressure, no "sign today" discounts.
We use 20-mil reinforced vapor barriers, commercial-grade crawl space dehumidifiers, and proper drainage systems — not thin plastic and big-box dehumidifiers that burn out in a year. Every job comes with a written warranty that spells out exactly what's covered and for how long. No fine print that takes away what the headline promised.
Your crawl space is the foundation of your home's air quality, structural strength, and energy performance. We don't treat it like an afterthought. Every job gets a thorough inspection, a plan built for your house, and a follow-up to make sure the humidity dropped, the smell is gone, and your home feels different.
Get My Free Quote
It depends on the size of your crawl space and what it needs. A home with no water or mold issues costs less than one that needs drainage, mold cleanup, or structural work. We give you a detailed estimate during your free inspection — every item listed, nothing hidden.
Yes. About half the air you breathe on your first floor comes up from the crawl space. If there's moisture, mold, or pests down there, that's what your family is breathing. Encapsulation stops that cycle. Most homeowners notice lower energy bills, fewer allergy symptoms, and floors that feel solid again. And fixing the damage later always costs more than sealing the space now.
A vapor barrier is just a sheet of plastic on the dirt floor. It blocks some ground moisture but doesn't seal the walls, close the vents, or control humidity. Full encapsulation covers the floor and walls with a heavy-duty reinforced barrier, seals all vents, and adds a commercial dehumidifier to actively keep humidity low. One is a bandaid. The other is a real fix.
Yes. Sealing the crawl space traps whatever moisture is already in the air, wood, and concrete. Without a dehumidifier to pull that moisture out and keep humidity below the mold threshold, a sealed space can actually make things worse. A commercial crawl space dehumidifier is a core part of the system — not an add-on.
Most jobs take one to three days. A straightforward encapsulation with a vapor barrier and dehumidifier wraps up faster. Jobs that also need drainage, mold treatment, or structural repairs take a bit longer. We give you a clear timeline before any work starts.
Queen Foundation Repair encapsulates crawl spaces for homeowners across all of our service areas. Select your location below to learn more.