336-778-0094

Interior Waterproofing & Sump Pumps in Winston-Salem, NC, and Beyond

Finding an inch of water on the basement floor after a storm is one of the worst surprises a homeowner can get. Piedmont Pressure Seal provides interior waterproofing and sump pumps in Winston-Salem, NC, and beyond, capturing water that slips inside and sending it back out before it can ruin your floors, furniture, and the boxes of memories you've tucked away. Our team will talk through your options and recommend a setup that best fits how you use your basement.

Piedmont Pressure Seal, a locally owned waterproofing company in Winston-Salem, NC, has handled basement water problems throughout the Piedmont Triad since 1989. Our company's interior work includes interior drainage systems, basement waterproofing, sump pump setup and upgrades, backup pumping systems, and basement water removal. Technicians match each system to a home's layout, groundwater conditions, and existing drainage.

Sump pump installed in a concrete floor basin with connected water pipes and a float switch.

When the Basement Floods: Pumping Out, Drying Out, and Staying Dry

A flooded basement turns into a race against the clock. Standing water soaks into drywall, carpet pad, and wood framing, and mold can start growing within 24–48 hours if everything stays wet.

Water usually arrives from below or along the edges. After heavy rain, the water table rises beneath the slab and pushes through the cove joint around the floor's edges, while a failed pump, a clogged discharge line, or a power outage can cause a sump pit to overflow.

Our first priority is getting the water out. We pump the basement clear and bring in fans and dehumidifiers to dry things out fast. From there, we track down the entry point and install the interior drainage and pump system that helps prevent a repeat.

Instead of mopping and worrying every time the forecast calls for rain, you get a basement with a built-in plan for water. Anything that seeps into the head goes straight to the pit and back outside, and the stuff you store down there stays out of harm's way.

Key Information About Our Interior Waterproofing Work & Sump Pumps

Interior drains and sump pumps work together in our systems to collect water and send it back outside.

A brown dimpled foundation waterproofing membrane installed on a concrete wall above a gravel-filled trench with a corrugated drainage pipe.

Interior drainage systems:

Our crew cuts a narrow trench around the inside edge of the slab, lays perforated pipe in gravel next to the footing, and patches the concrete back over it. Water that seeps through the walls or rises under the floor follows that channel straight to the sump pit. Tucked below the floor, the system stays out of sight after we finish.

Basement waterproofing:

Dimpled wall membranes, sealed cracks, and a vapor barrier along the walls all play a part in our interior approach. Together with drainage, they guide seepage down to the floor channel rather than letting it soak into drywall or paneling. Many homeowners choose this route before turning their basement into living space.

Sump pump installation:

A reliable pump starts with the right pit, liner, and check valve. During each sump pump installation, we size the pump to your home's water load and route the discharge line far enough from the house that water can't circle right back. Picking a quality basement sump pump with a cast-iron or heavy-duty housing helps it handle years of busy storm seasons.

Sump pump replacement:

Old pumps tend to show warning signs, such as strange noises, constant cycling, or a sour smell from the pit. Timely sump pump replacement swaps out a worn unit before it fails during a storm, and we'll inspect the pit, float switch, and check valve while we're at it. Upgrading to a stronger pump makes sense if your old one struggled to keep up.

Backup sump pump systems:

Your main pump can't help if the power's out or its motor gives up mid-storm. We install battery-powered backups for homes on city water, water-powered backups that run on municipal pressure without electricity. An alarm lets you know when the backup kicks on, so you're never caught off guard.

Basement water removal:

Floodwater needs to be removed fast, and our crew brings the pumps and equipment to make it happen. Emergency service is available upon request when a storm leaves you with a mess. Getting air moving right away limits damage to walls, flooring, and anything stored nearby.

Services We Provide

Basement Waterproofing

Persistent dampness, seepage, or water along your basement walls and floor can make the space difficult to use and may lead to bigger moisture concerns. Through our basement waterproofing work, we address water intrusion with interior or exterior solutions, sump pump options, and moisture control measures suited to the situation.

Crawl Space Encapsulation

Moisture trapped beneath your home can create a humid environment where mold and pests can take hold more easily. Our crawl space encapsulation approach uses vapor barrier installation and moisture control to reduce humidity, support a cleaner crawl space, and improve indoor air quality.

Foundation Repair

Changes around your home, such as settlement, structural movement, or water collecting near the foundation, shouldn't be ignored. We provide foundation repair services, including inspections, structural corrections, settlement-related work, and stabilization, to address foundation concerns at their source.

Drainage Installation

Rainwater and runoff can cause problems when they collect beside your home or leave the yard saturated. With our drainage installation service, we can create a better path for that water using options such as French drains, downspout drainage, exterior systems, and other diversion methods.

Drain Cleaning

A drain that takes longer than usual to empty can be an early sign of a developing blockage or recurring drainage problem. Our drain cleaning services help clear clogged and slow-moving lines and provide residential maintenance to keep your drainage system working properly.

Exterior Waterproofing

Water can put steady pressure on a foundation when the surrounding soil stays wet or runoff isn't directed away from the structure. We use exterior waterproofing methods, including excavation, waterproof membrane installation, foundation drainage, and water intrusion prevention, to help shield the foundation from exterior moisture.

Foundation Crack Repair

Even a seemingly small crack in a basement wall can become a pathway for unwanted water. Our foundation crack repair services include concrete and wall crack sealing, interior and exterior repairs, basement wall crack repairs, bowing wall repairs, and measures to prevent water from entering through damaged areas.

Small Drainage Projects

Some properties need a targeted fix rather than a major drainage system. We take on small drainage projects involving surface water, downspouts, runoff, yard drainage, and property water diversion to help resolve localized areas where water isn't flowing as it should.

Water & Moisture Management

Water problems don't always come from one obvious source, so we look at the moisture conditions affecting the basement, crawl space, and surrounding property. Our water and moisture management services address intrusion, humidity, moisture buildup, and prevention measures that can help reduce conditions associated with mold.

What Sets Us Apart

A few things make our team a smart call when trouble floods in downstairs.

35+ years of experience

Since the late 1980s, our crew has pumped, drained, and dried more Triad basements than we can count.

Special discount

Our veterans discount knocks 10% off your project as a salute to your service.

Top brands

Whenever an interior project needs extra wall protection, we reach for proven products from GMX and Dörken Systems Inc.

Trusted industry affiliations & guarantees

Alongside our memberships in the National Association of Home Builders and the National Federation of Independent Business, we offer the Delta®-MS Dry Foundation Guarantee on Delta®-MS installations.

What People Ask About Interior Waterproofing & Sump Pumps in NC

A typical sump pump lasts around seven to 10 years, though heavy use can shorten that lifespan. Pumps that run constantly during wet North Carolina springs tend to wear out faster than ones that only kick on occasionally. Testing your pump every few months helps you catch problems before a storm does.

Thunderstorms that knock out power are often the same storms that send water rushing toward your basement. A battery-backup sump pump keeps working when the power goes out or the primary pump fails. Any Triad home that relies on a sump pump benefits from that extra layer of protection.

Minor fixes, like clearing a clogged intake or swapping out a stuck float switch, can often get a newer pump back on track. If your pump is more than seven years old, runs nonstop, or makes grinding noises, replacement usually makes more sense. A new pump costs far less than cleaning up a flooded basement.

Interior waterproofing typically includes a drainage channel installed beneath the basement floor along the walls, which collects seeping water and directs it to a sump pit. From there, a sump pump pushes the water outside and away from the home. Many systems also add a vapor barrier on the walls and a backup pump for extra security.

First, confirm the pump has power and the float switch isn't stuck, but stay out of standing water if any cords or outlets are submerged. If the pump still won't run, move valuables to higher ground and use a wet vacuum or portable pump to slow the rising water. Then call a waterproofing professional right away, since a basement can flood quickly during a heavy storm in Winston-Salem.

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

Your Basement's New Best Friend Is a Good Pump

Contact us for a consultation, and let's set up a system that handles the next storm for you. You'll sleep a lot better on rainy nights.

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