Vapor barrier installation in Bryan TX - a drier crawl space under your house
Musty smell, cold floors or damp wood under the house? We deal with the water first, then cover the dirt so the moisture stays down.
Do I need a vapor barrier under my house in Bryan?
Vapor barrier installation in Bryan means covering the dirt floor of your crawl space with heavy plastic sheeting and running it up the walls and piers, so moisture coming up out of the ground stays out of your floor framing and the air under your house.
Most calls start with something you notice upstairs, like cold floors, a musty smell that won't clear out or a power bill that keeps climbing, and the crawl space is often part of it. The price moves with how big the space is, how much has to be hauled out first, whether there's water to deal with and how tight the access is. The schedule mostly turns on that water fix and on any permit, which we apply for and handle if your job needs one. My written estimate gives you the figure for your house.
What happens when you call us about a vapor barrier?
Call or send the form
Call (979) 393-7011 or send the form, and most of the time it's me who calls you back to set a time. Tell me what you've noticed, like a musty smell or cold floors, so I know what to look for.
I crawl the space myself
I come out and go under the house myself, looking for standing water, wet soil, equipment and anything stored down there. If something has to be fixed before plastic goes down, I tell you right there.
You get a written estimate
The estimate spells out what I found, what has to happen first and what can wait, so you know the price before any work starts. If the job needs a permit, we take care of it.
We install and go over it
My crew does the install with me on site the whole time. Before we pack up, I go over the finished barrier with you, edges and seams included.
How we do vapor barrier installation under your house
A ground barrier slows the moisture coming up out of the dirt, so once any water problem is handled, we clear out what's stored or piled down there because the plastic has to lie on bare ground. Then we roll the sheeting over as much of the ground as we can reach, overlap and tape the seams, and run it up the foundation walls and around each pier, since the edges are where damp air finds its way back in. We lay it so the drainage paths already under your house keep working, and I crawl the whole thing myself before we call it done.
A barrier keeps the ground's moisture down, but it won't make cold floors warm on its own. If the old insulation between the floor joists is soaked or full of droppings, it comes out first so nothing bad gets buried, and retrofit insulation adds what an older house is missing without a remodel. Up top, attic air sealing, closing the gaps around lights, pipes and the hatch, usually cuts the draft that pulls air up through the house from below. One thing I won't do is put plastic inside your walls, because in a humid climate moisture from outside condenses against that layer and the wall can fail early.
Get a written estimate for your crawl space
Send the form and we'll reply within one business day, most of the time with me on the phone setting a time to come look. The visit and written estimate are free, there's no pressure to book, and we're fully licensed and insured. The work is backed by our satisfaction guarantee.
Crawl space vapor barrier questions in Bryan
Do I need to fix standing water in my crawl space before a vapor barrier goes in?
Yes, the water gets fixed first, because a vapor barrier controls moisture rising through the soil and does nothing for liquid water pooling on top. Plastic laid over a puddle just hides it. If I find standing water or soaked soil, the drainage fix goes into the plan before any barrier.
Is it better to seal my crawl space or just put down a vapor barrier in Bryan?
A sealed crawl space generally performs better in a humid climate like ours, but it costs more up front and only works while its fan or dehumidifier keeps running. Brazos County is listed as hot and humid, so that matters here, and if the equipment or its supply duct quits, humidity climbs fast. If you'll keep that equipment running and checked, I'd usually pick sealed, and if not, a well-laid barrier in a vented space is the honest choice.
How much does a crawl space vapor barrier cost in Texas?
Sealing a crawl space with a vapor barrier and a dehumidifier usually runs about $4,600 to $8,700 per job across Texas, and that's for the whole sealed setup, not plastic on the ground alone. A barrier by itself is usually less work, and yours turns on the square footage, what has to be cleared out, any drainage fix and how hard the space is to get into. My written estimate gives you the number for your house.
How do I know if a vapor barrier is thick enough for my crawl space?
Ask whether the sheet meets the minimum thickness and the maximum perm rating, a measure of how much vapor gets through, in the Energy Department's crawl space guidance. Thicker, reinforced sheeting holds up better than thin plastic, and thin sheet needs protection wherever someone crawls to service equipment, so a crawl space with ductwork or a unit down there usually calls for the tougher sheet. I'll tell you what we're putting down and why.
How often should I check my crawl space vapor barrier?
At least once a year, ideally in spring, is what one crawl space guide advises. Look for water pooling on top of the plastic, tape joints that have pulled apart and tears from animals or a plumber's visit. If you'd rather not go down there yourself, call and I'll take a look.
How do I get a permit for crawl space work in Bryan, TX?
If your job needs one, we apply for it with the city and handle the inspections, and if you're not sure whether it does, I'll find out before we start. The City of Bryan takes applications through its online portal, and contractors register with the city every year to be able to apply. To ask the city yourself, Development Services takes questions at building@bryantx.gov or 979-209-5010.
Other work that helps a damp or drafty house
Attic air sealing
If upstairs rooms run hot or the hallway feels drafty, sealing the gaps in the attic floor is often the best first step.
Retrofit insulation
For an older house with thin or tired insulation in the floors or walls, this adds to what's there without opening up the whole house.
Book a look under your house
Call (979) 393-7011 or send the form, and tell me if you've seen standing water, what equipment sits down there and where the access opening is, so I can plan the visit.