Crawl space vapor barrier in Manhattan KS - a drier crawl space under your floors
Musty smell or damp dirt under the house? We fix where the water comes from, then lay a sheet that holds soil moisture down.

What a crawl space vapor barrier doesand what has to come first


A crawl space vapor barrier is a plastic sheet laid over the dirt under your house, so the moisture that rises out of the soil stays under it instead of drifting into the air below your floors. If you've got a musty smell, damp dirt or water standing down there, the sheet alone won't settle it.
So we get the water out first and find where it's coming from, usually a leaking pipe or groundwater getting in from outside, and fix that before any plastic goes down, because otherwise the water comes right back and the damp with it. Closing the vents is a separate decision, and I'll walk you through what it takes.
The price mostly follows the floor's square footage, any water to deal with first, and whether you want the vents closed or just the floor covered. The schedule turns on that repair and any permit. When I come out, I'll show you what I find and the order I'd do it in, which is where your number comes from.
You can count on us fixing the water before the plastic goes in and explaining why, so call (785) 236-2032 to set up a visit.
Crawl space vapor barrier jobs we handle
No two crawl spaces start out the same, so the plan follows what's down there: the dirt, the vents, any standing water and whatever pipes or equipment share the space.
Floor-only barrier
Plastic laid over the bare dirt under the house, with the vents left as they are, so moisture coming out of the soil stays under the sheet.
Sealed crawl spaces
If you want the vents closed, the barrier becomes one part of a sealed space, so we plan the floor, the openings and any equipment together.
Beyond the crawl space
Some houses need more than the floor covered, so we also do vapor barrier installation elsewhere and attic air sealing, closing gaps up top so air stops leaking through.

Why homeowners pick Sterling Manhattan Spray Foam Insulationfor what's under their floors
I learned this trade on a municipal crew, where every job got checked before sign-off, and I've run this business in Manhattan the same careful way since 2023.
I come out myself
I look at every crawl space myself before you get a number, and I'm on site with our own installers while the work gets done.
We look under the old stuff first
We check what's under any old insulation or plastic before adding anything, because new material laid over a wet or dirty mess just keeps the problem going.
Licensed and insured for this work
We're licensed and insured. The city of Manhattan requires general contractors to show liability coverage of at least $500,000 per occurrence, and you're welcome to ask us for proof.
Each step explained in order
I want you to know what you're paying for, so I'll tell you why the water repair comes before the plastic and why each step lands where it does.
Backed by our satisfaction guarantee
Our crawl space work is backed by our satisfaction guarantee. Call (785) 236-2032 or use our contact form to set up a look at yours.
Get a crawl space moisture planfrom Sterling in Manhattan
Give us the crawl space's rough square footage, whether there's standing water and any gas or oil equipment down there. We reply within one business day to set up a free visit at your home, with no obligation.
How the job runsfrom your call to the walkthrough
I keep it simple by doing the work in a set order and telling you the reason for each step before we move on to the next one.
You reach out
Call (785) 236-2032 or send a message through our form, and we'll get back to you to set up a time for me to come see the crawl space.
I look it over
I come out myself, check for standing water, old insulation, the vents and any equipment down there, then walk you through what I see and the order I'd tackle it.
Water and permits first
Once you're ready, we sort out any permit with the right office and get the water out, fixing its source so it doesn't come back under the new sheet.
Laying the barrier
Our installers and I prepare the dirt and lay the plastic across the floor, along with any vent or sand work we agreed on at the estimate.
The walkthrough
When we're done, I walk the finished crawl space with you, show you the seams and edges, and answer anything you still want to know.
Crawl space questions
How much does a crawl space vapor barrier cost in Manhattan, KS?
A basic vapor barrier, plastic over the dirt floor only, usually costs about $0.50 to $1.50 per square foot across the US. That national figure leaves out fixing water, sealing vents or covering the sheet, so your price depends on what's down there. The estimate at your house gives you your own number.
Can I just seal my crawl space vents?
Not by themselves, because Energy Department guidance says sealing the vent openings alone can raise the moisture down there. If gas or oil equipment that vents by natural draft sits in the crawl space, sealing can also create a deadly situation, so that equipment has to be part of the plan. We talk that through before anything gets closed.
How do I get my crawl space ready for a vapor barrier?
After the water is out and its source is fixed, the soil surface gets prepared so the sheet lies flat and nothing pokes through it. K-State says a carefully placed and protected sheet is usually enough to control moisture from the soil, and covering it with sand protects it, which matters most in a sealed crawl space.
What causes water in a crawl space in Kansas?
Rain is a big one, and K-State notes that rains in eastern Kansas send water into some basements and crawl spaces. How the ground around the house slopes matters too, and K-State calls ground falling away from the foundation about an inch per foot for 15 feet ideal.
Should I seal my crawl space or keep it vented?
Energy Department guidance says vented crawl spaces in mixed or hot-humid climates tend to get wetter instead of drier, with moisture condensing on the floor framing and feeding mold and wood damage. Federal research also found sealed crawl spaces saved heating and cooling energy and cut humidity, but sealing takes the extra steps covered above, so it's worth talking through at the estimate.
How do I know if a vapor barrier quote covers the whole crawl space?
Ask whether it covers the entire floor and whether the sheets overlap and get taped at the joints, because Energy Department guidance calls that best practice. A sheet that stops short or has loose seams leaves dirt open where moisture keeps coming up.
Crawl space vapor barriers around Manhattan
We're based in Manhattan, where the city keeps a list of work that needs no building permit, so we check with the city or county office for your address and handle any permit. Pick your city or call us.
Book a crawl space vapor barrier visit in Manhattanand see what's really down there
Calling now lets me see your crawl space as it is, standing water and all, so the vapor barrier plan starts from what's actually under your floors. Call (785) 236-2032 or send us the form.
