Vapor barrier installation in Fernley NV - a crawl space floor that stays covered
Musty smell, damp dirt or torn plastic under the house? We fix what's wrong first, then lay a ground cover that holds moisture down.
Find out what your crawl space needs
Call (775) 980-1020 any day from 8 AM to 9 PM, and I'll tell you plainly whether the plastic can wait.
What does vapor barrier installation in Fernley involve?
Vapor barrier installation in Fernley means covering the dirt floor of your crawl space with plastic sheeting, so moisture from the ground stays down there instead of soaking into the wood under your floors.
Most people call because the house smells musty or someone saw bare dirt or torn plastic through the crawl space hatch. The price mostly turns on the size of the crawl space, how easy it is to get into, how heavy a sheet it needs, whether old plastic can be patched and whether water, mold or rotten wood has to be dealt with first. That cleanup is also what moves the schedule, because the plastic can't go down until the space is sound, and the written estimate spells out what has to be fixed first and what can wait.
Why Fernley homeowners call M&T Fernley Spray Foam Insulation for vapor barriers
I look under the house myself
I come out to check your crawl space and write the estimate, and our own installers do the work. I check it before we're done, so the person who quoted it signs off.
We know the local radon numbers
Past tests in Fernley's 89408 ZIP found 17.4% of tests at 4 pCi/L or higher, and a Lyon County flyer says 1 in 3 tested homes ran high. We're based here and work the cities around it.
Straight answers since 2017
We've been in business since 2017, and I'd rather tell you the plastic can wait than sell you a cover you don't need yet. We're licensed and insured.
Under a house, the order of the work matters more than the plastic. Tell us about your crawl space and I'll come take a look.
How we handle vapor barrier installation
I start by looking over the whole crawl space, because the plastic is the last step, not the first. If there's standing water, mold or rotten wood under the house, that gets handled before new plastic goes down, since covering it only hides the problem. Then our installers lay the sheet across the dirt floor, overlap and tape the seams and fasten the edges so it doesn't creep. Where someone has to cross the floor to service a furnace or other equipment, we use a heavier reinforced sheet so it holds up under knees and boots.
A dry crawl space is only part of a comfortable house. If the rooms upstairs are drafty, attic air sealing closes the gaps around lights, pipes and the hatch, and in an older home with thin, crushed insulation, retrofit insulation adds to the walls and attic without tearing the house apart.
Standard ground cover
Suits a vented crawl space nobody goes into much. A plain sheet over the dirt holds ground moisture down at the lowest cost.
Reinforced sheet on service paths
Suits a crawl space with a furnace, ducts or a water heater someone has to reach. The heavier sheet takes the traffic so the cover stays whole.
Full crawl space encapsulation
Suits a house where the crawl space should be closed off from outside air. The plastic runs up the walls and the space gets sealed, which makes it a bigger job.
How do you know your crawl space needs a vapor barrier?
Musty smell in the house
A damp, earthy smell, worst in the rooms over the crawl space, usually means ground moisture is rising into the framing. Left alone, it feeds mold on the wood under your floors.
Bare dirt under the house
If the crawl space floor is open soil, nothing stops moisture from coming up. The longer it sits that way, the more the joists and subfloor soak up.
Torn or loose old plastic
Plastic that's ripped, bunched up or pulled apart at the seams leaves the dirt exposed. Small tears are cheap to deal with now, and they spread every time someone crawls across.
Wet soil or puddles
Damp dirt or standing water after rain or watering usually means water is getting in from outside. Wait too long, and you may pay for rot repair along with the cover.
What happens after you call about a vapor barrier in Fernley?
Call, and I come out
I come out myself, look under the house and tell you on the spot what I see. The written estimate says what's urgent and what can wait.
Our installers do the work
Our own installers handle any repairs the estimate puts first, then lay the plastic. We'll need clear access to the crawl space hatch on those days.
I check before we're done
I go under the house myself to look over the seams, the edges and the service paths. The job isn't finished until I've signed off on it.
Crawl space barrier questions
These are the questions I hear most about vapor barriers in Fernley crawl spaces. If yours isn't here, call and ask about your own house.
What does a crawl space vapor barrier do?
A crawl space vapor barrier is a plastic ground cover over the dirt floor, and when it's installed well it helps minimize ground moisture and soil gases such as radon, which the local test numbers above show is worth taking seriously. Federal work specifications call for covering all exposed soil and running the sheet up the foundation walls and piers, kept clear of untreated structural wood. Ask any contractor, us included, how far their sheet goes up and how it stays off that wood.
What causes moisture in a crawl space, and should it be fixed before a vapor barrier goes in?
In a vented crawl space, most moisture is water flowing in from outside, usually from ground that slopes toward the house, missing drainage around the foundation or sprinklers set wrong. If the soil by your foundation stays damp, plan the grading, drainage or irrigation fix along with the cover, because plastic over a running water problem doesn't solve it. I'll point out what I see on the estimate visit.
Which vapor barrier plastic lasts longer in a crawl space with a furnace?
Thicker reinforced sheeting lasts longer. Plain plastic without reinforcement needs protection wherever someone crosses it to service equipment, so a crawl space with a furnace or other serviced equipment usually calls for the reinforced sheet. That's the heavier sheet we put down on those paths.
Can I repair my old crawl space vapor barrier or do I need a new one?
A barrier that's only loose or open at the seams can often be repaired by taping the tears and seams and fastening it to the walls and piers. Covering it with a new, sealed layer of polyethylene is the more durable option. I'll tell you which makes sense once I've seen what's down there.
How much does crawl space encapsulation cost in Nevada?
Full crawl space encapsulation in Nevada usually costs about $5,500 to $9,500 per home. That figure covers sealing off the whole crawl space, not just laying plastic on the floor. A ground cover on its own is a smaller job, and we price it separately when I come out to look.
How do I get my crawl space ready for a vapor barrier?
Clear out stored boxes and debris so the plastic can reach the whole floor. If some of it is hard to get to, tell us what's down there and we'll work it out at the estimate.
Get a free vapor barrier estimate
Tell us how you get into your crawl space, whether you've seen standing water or mold, and if old plastic is already there. We reply within one business day to set up a free on-site estimate, with no obligation.
Crawl space barrier examples
Work that pairs with a barrier
Attic air sealing
Drafty upstairs rooms usually trace back to gaps around can lights, pipes and the attic hatch, and sealing them stops the leak before insulation goes on.
Learn moreRetrofit insulation
Older houses often have thin, crushed insulation, and adding to the walls and attic without tearing into finished rooms helps drafty rooms and the power bill.
Learn more