336-778-0094

Crawl Space Encapsulation in Winston-Salem, NC, and Beyond

Stuffy rooms, drafty floors, and surprise visits from creepy-crawlies often point to trouble brewing under your home. At Piedmont Pressure Seal, we offer crawl space encapsulation in Winston-Salem, NC, and nearby areas, sealing out ground moisture to keep the area beneath your floors clean, dry, and healthy. Our team takes a look, explains what it finds, and shapes a plan around your budget.

Founded in 1989, Piedmont Pressure Seal is a Winston-Salem, NC, waterproofing and foundation contractor specializing in protecting homes from water and moisture damage. Our crawl space encapsulation work covers vapor barrier installation, moisture and humidity control, mold prevention, and pest protection, all aimed at improving indoor air quality. Our locally owned, fully insured company also provides basement waterproofing, foundation repair, and drainage solutions throughout the Piedmont Triad.

Crawl space with a white vapor barrier on the ground, overhead floor joists, and metal HVAC ductwork.

What's Happening Under Your Floors (and How We Dry It Out)

A damp crawl space rarely stays a crawl space problem. Moisture down there can warp floor joists, rust ductwork, feed mold on wood framing, and leave your floors feeling soft or bouncy over time.

Builders gave many older Triad homes vented crawl spaces, a design meant to let air circulate underneath. During humid North Carolina summers, those vents pull in warm, moist air that condenses on cooler surfaces like pipes and framing. Bare dirt floors release even more moisture from the ground around the clock.

Encapsulation tackles both sources at once. We clear out debris and fix any drainage issues, then line the floor and walls with a vapor barrier, seal the seams, and close off the vents. Plenty of crawl space encapsulation companies stop once the plastic goes down, while our crew adds a dehumidifier to hold humidity at a healthy level.

After encapsulation, the area under your home stays dry year-round, and the air drifting into your living areas becomes noticeably cleaner. Floors feel warmer, your heating and cooling system runs more efficiently, and pests lose the damp hideout they love.

Learn More About Our Crawl Space Encapsulation Work

As an experienced crawl space contractor, we handle the whole process, from the first inspection to the final seal.

Crawl space with silver Dow Thermax insulation panels on the walls and a plastic vapor barrier on the ground.

Crawl space moisture control:

Standing water, wet soil, and leaky foundation walls all need attention before any liner goes down. We correct drainage problems, seal wall cracks, and add a sump pump when groundwater tends to collect. That groundwork gives the rest of the encapsulation system a dry, stable starting point.

Vapor barrier installation:

Thin plastic sheeting from the hardware store tears easily and allows moisture to slip through gaps. Some crawl space encapsulation contractors leave seams loose, but we overlap, tape, and fasten every edge of a thick, reinforced liner to the floor and walls. The finished barrier handles foot traffic, service visits, and years of ground moisture.

Moisture and humidity reduction:

Right after sealing the space, our team installs a crawl space dehumidifier sized for your home. It keeps relative humidity well below 60%, the point at which mold and wood rot tend to take off. A quick seasonal check keeps the unit running smoothly for years.

Mold prevention:

Mold needs moisture, a food source, and the right temperature, and an open crawl space provides all three. Our process removes the moisture side of that equation, making it tough for new colonies to form. If we spot any existing mold, we'll point it out and help you address it before we seal anything up.

Improved indoor air quality:

Air from beneath your home naturally rises into your living spaces, carrying odors, mold spores, and dust. By sealing off the crawl space, we shut down that pipeline of unwanted particles. Homeowners with allergies often appreciate the change most.

Pest protection:

Termites, spiders, rodents, and camel crickets love damp, dark hiding spots. Encapsulation takes away the moisture they depend on and closes many of the openings they use to wander in. We can't promise you'll never see another bug, but an encapsulated crawl space makes your home far less appealing to them.

Services We Provide

Basement Waterproofing

Think of your basement as your home's first line of defense against groundwater. Our basement waterproofing services keep that defense strong with leak and seepage repairs, interior and exterior systems, and sump pumps sized for your space.

Foundation Repair

Foundation problems tend to start small and grow quietly. Our foundation repair specialists evaluate your home, repair settlement and structural damage, and address any water issues around your home's foundation. Every repair we complete aims to keep your home standing strong.

Drainage Installation

Ever noticed a mini river running across your lawn during a downpour? Our drainage installation crew can install French drains, exterior drainage lines, and downspout systems to safely divert water away from your home. Getting the drainage right protects your landscaping and your foundation.

Drain Cleaning

Clogs build up gradually from dirt, leaves, and everyday debris. We provide residential drain cleaning that clears lines, speeds up sluggish drains, and gets to the bottom of recurring problems. Scheduling preventive cleanings also helps your drainage system perform properly during heavy rain.

Exterior Waterproofing

Digging down to your foundation might sound like a big undertaking, but it's one of the most thorough ways to keep water out. Our exterior waterproofing combines careful excavation, a quality membrane, and exterior drainage to shield your foundation from moisture.

Interior Waterproofing & Sump Pumps

Groundwater can rise beneath your basement floor after a long stretch of rain. Our interior waterproofing and sump pumps capture that water through an interior drainage system and pump it out before it reaches your belongings. We also replace aging pumps and set up backup units, so a single pump failure won't leave you with a flooded basement.

Foundation Crack Repair

Spotting a new crack in your basement wall can be unsettling. We offer foundation crack repair for concrete and block walls, whether the damage requires sealing, reinforcement, or support for a bowing wall. Each repair helps stop leaks and keep your walls sturdy.

Small Drainage Projects

Maybe it's a gutter that overflows onto the walkway or a patch of lawn that never dries out. We take on small drainage projects like these, adding downspout extensions, surface drains, and runoff solutions that manage water around your yard. They're usually quick jobs, but they can prevent a lot of hassle down the road.

Water & Moisture Management

Too much moisture can warp wood, invite mold, and leave your home feeling stuffy. Our water and moisture management services cover everything from basement and crawl space moisture control to humidity reduction and water intrusion fixes. We'll take a close look at your home and suggest options that suit your budget.

What Sets Us Apart

Choosing a crawl space encapsulation company comes down to trust, and here's why Triad homeowners keep inviting us under their homes.

35+ years of experience

Crawling under Winston-Salem homes since 1989 has given our team a real feel for the moisture problems local houses face.

Special discount

Anyone who has served in the military receives 10% off our crawl space work.

Top brands

GMX and Dörken Systems Inc. products are staples in our lineup because they deliver results we can stand behind.

Trusted industry affiliations & guarantees

When we install Delta®-MS, the Delta®-MS Dry Foundation Guarantee comes with it, and our memberships with the National Association of Home Builders and the National Federation of Independent Business reflect the standards we keep.

What People Ask About Crawl Space Encapsulation in NC

In many cases, it does. Sealing the crawl space keeps humid outdoor air from drifting under your floors, so your HVAC system doesn't have to work as hard to keep your home comfortable. Field research conducted here in North Carolina has found that closed crawl spaces can use less energy than traditional vented ones.

A quality encapsulation system often lasts 15–20 years or longer, depending on the thickness of the vapor barrier and the quality of the installation. Keeping the dehumidifier maintained and patching any tears in the liner helps it go the distance. A quick yearly check of the space can catch small issues early.

For most North Carolina homes, it's well worth it. The state's hot, humid summers can drive crawl space moisture levels high enough to encourage mold, wood rot, and pests, and encapsulation keeps that moisture in check. Homeowners also tend to notice better air quality and more comfortable floors year-round.

A crawl space encapsulation company inspects the area for moisture, mold, and structural concerns, then seals the ground and walls with a heavy-duty vapor barrier. Most crews also close off vents, add a dehumidifier, and correct any drainage problems. The result is a clean, dry space that protects the rest of your home.

You can encapsulate a crawl space any time of year in Winston-Salem, but many homeowners schedule it in spring before summer humidity peaks. Fall is another popular window because it gets the home ready for colder months. If you already see mold or standing water, it's best to act right away.

FAQs reviewed by Justin Gornto, owner of Piedmont Pressure Seal, a certified and experienced waterproofing service in Winston-Salem, NC.

Give Your Crawl Space the Makeover It Deserves

Contact us for a consultation, and we'll show you what a properly protected crawl space can do for your whole home. Your floors, your air, and maybe even your energy bills will thank you.

Call 336-778-0094 Today!

Get Started With Our Team

Business Name: Piedmont Pressure Seal

Address: Winston-Salem, NC, 27104

Phone: 336-778-0094

Business Hours:

Mon - Fri: 7:30 AM to 5:00 PM
Sat-Sun: Closed

Emergency Services Are Available Upon Request