Often, yes. Solid hardwood can usually be dried in place when the water was clean, drying starts within the first day or two, and the boards have not buckled off the subfloor. Floors that stayed wet for many days, or were soaked by sewage or outside floodwater, are far more likely to need replacement.

Wood floors are a big part of what people love about Alexandria homes, from the town houses in Old Town to the older houses in Del Ray and Rosemont. So when a dishwasher line lets go or a radiator valve leaks, the first worry is usually the floor.

The good news is that wood is forgiving if you act early. This guide explains what decides the outcome and what the drying process looks like.

What happens to hardwood when it gets wet?

Wood swells as it takes on water. Floorboards are finished on top and raw on the bottom and edges, so water that gets between and under the boards is absorbed from below while the top stays sealed.

That uneven swelling is what causes the changes you can see.

• Cupping: The edges of each board rise higher than the center, so the floor looks like a row of shallow dishes. This is the most common sign and often the most fixable.
• Crowning: The center of the board sits higher than the edges. It can happen when the top takes on more moisture than the bottom, or when a cupped floor is sanded before it is dry.
• Buckling: Boards lift off the subfloor, sometimes by inches. This means the swelling had nowhere left to go.
• Staining: Dark or gray marks, often along the board edges or around nails, where water sat in the wood.

What decides whether a wood floor can be saved?

Four things matter most, and a restoration technician will ask about each of them.

1. Where the water came from. Clean water from a supply line gives the floor its best chance. Water from a sewer backup or from outside flooding is contaminated, and wood flooring soaked by it is commonly removed instead of dried.
2. How long the floor stayed wet. A leak found the same day is very different from one that ran while you were away for a week.
3. What kind of floor it is. Solid hardwood, engineered wood and laminate behave differently. More on that below.
4. What is underneath. A plywood or plank subfloor over a basement can be dried from both sides. Wood glued to a concrete slab traps water and is harder to save.

Is solid hardwood easier to save than engineered wood or laminate?

Yes, in most cases. Solid hardwood is one piece of wood through its full thickness. It can swell, dry, shrink back and then be sanded and refinished if needed.

Engineered wood has a thin hardwood layer glued to a plywood-style core. A brief spill is usually fine, but when water soaks the core, the layers can separate. Once that happens, those boards are replaced.

Laminate is a printed surface over a fiberboard core. The core swells when it gets wet and does not return to its original shape, so wet laminate is almost always removed. Luxury vinyl plank resists water on its own, but it has to come up so the subfloor under it can dry.

How do professionals dry a hardwood floor in place?

Drying a wood floor is slow, controlled work. The goal is to pull moisture out steadily so the boards return to their normal shape without cracking.

1. Stop the source and remove standing water. Extraction equipment pulls water off the surface and out of the seams.
2. Take moisture readings. A moisture meter is used on the wet boards, the subfloor and a dry area of the same floor. That dry reading becomes the target.
3. Set up floor drying mats. Panels are sealed to the floor and connected to a machine that draws air and moisture up through the seams between boards.
4. Dry the room air. Dehumidifiers pull moisture out of the air so the wood keeps releasing it. Air movers help where they are needed.
5. Dry from below when possible. If there is an unfinished basement or crawl space under the floor, warm, dry air is directed at the underside of the subfloor.
6. Check every day. Readings are recorded daily, and equipment is adjusted as the numbers come down.

Baseboards or shoe molding along the wet wall may be removed so the edges of the floor and the wall cavity can dry too.

How long does it take to dry a wood floor?

Plan on longer than carpet or drywall. Dense hardwood releases moisture slowly, and drying in place often takes a week or more depending on the wood species, the thickness of the boards and how much water got underneath.

Even after the equipment leaves, the boards need time to settle. A cupped floor can keep flattening for weeks as it comes back into balance with the air in your home.

When should a water-damaged wood floor be sanded and refinished?

Only after moisture readings show the wood is back to its normal range. This is where patience pays off.

If a cupped floor is sanded flat while it is still damp, the raised edges get cut down. Later, when the boards finish drying and shrink, those edges end up lower than the centers, and the floor is crowned for good. Many cupped floors flatten enough on their own that only a light refinish is needed, and some need nothing at all.

When does a hardwood floor have to be replaced?

Replacement is the likely answer in a few situations.

• The boards have buckled and pulled their fasteners loose.
• The floor was soaked by sewage or outside floodwater.
• The subfloor has softened, delaminated or shows mold growth.
• The wood stayed wet long enough to stain deeply or begin to decay.
• Engineered boards have separated between layers.

Replacement does not always mean the whole room. A section can often be removed and new boards woven in, then the full floor sanded and finished so the repair blends.

Why do Alexandria homes need extra care with wet wood floors?

Three local facts shape how we approach these jobs.

First, age. Old Town was laid out in 1749 and is a historic district, and Del Ray dates to the 1890s. Floors in older homes are often thicker, nailed to plank subfloors and hard to match with new material. That makes drying in place worth a serious try before anyone talks about tearing out.

Second, humidity. Alexandria has a humid subtropical climate with hot, humid summers. Wood already carries more moisture in July than in January, and damp outdoor air slows drying. Opening the windows on a muggy day can add moisture to the room instead of removing it, which is why drying is done with the house closed and dehumidifiers running.

Third, the water source. According to the City of Alexandria, combined sewers that carry both wastewater and stormwater are found in the Old Town area. Low streets near the Potomac River, including the foot of King Street, also see tidal flooding at times. Water from a sewer backup or from the river is contaminated, and that changes the answer for a wood floor even when the boards look fine.

What should you do right now if your wood floor is wet?

• Shut off the water at the fixture or the main valve.
• Keep out of the room if water is near outlets or cords until the power to that area is off.
• Mop or towel up standing water. Do not use a household vacuum.
• Lift area rugs, since their dyes can transfer and they hold water against the finish.
• Move furniture off the wet area or put foil or plastic under the legs.
• Take photos and note when you found the leak for your insurance company.
• Skip space heaters and high heat. Fast, uneven drying can crack boards.

Quick Answers for Alexandria Homeowners

Will cupped hardwood go flat again? In many cases it does. Once the moisture underneath is removed, boards tend to relax back toward flat over days to weeks.

Can I dry the floor myself with fans? Fans dry the surface, but the water that causes damage sits between and under the boards. Without moisture readings you cannot tell when the subfloor is dry.

Do the floors have to come up to dry the subfloor? Not always. Drying mats and drying from below can reach the subfloor through a solid hardwood floor when the job starts early.

Is water damage to wood floors covered by insurance? It depends on the cause and on your policy. Document everything and call your insurer, who decides what your policy covers.

How do I know the floor is really dry? A moisture meter reading that matches an unaffected part of the same floor is the test, not how the surface feels.

If water has reached the hardwood in your Alexandria home, contact ServiceMaster NCR. Our team is available 24/7 to take moisture readings and tell you plainly whether your floor can be dried in place.