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Crawl Space and Slab Moisture in Wichita, KS

Pumping water out of crawl spaces, and reading and drying moisture under slabs and floors, across Wichita and Sedgwick County.

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Crawl Space

Crawl Space and Slab Moisture: what it covers

Quick answer

Crawl space and slab moisture is water or dampness that has collected under a house or beneath a concrete floor after a leak or a flood. In Wichita a crew pumps the crawl space, reads the soil, joists and slab with a meter, and dries the structure before the floor is closed. Calls are answered 24/7.

Crawl Space and Slab Moisture illustration for Wichita, KS, with the river and cornfields in the background

The space under a house is hard to see and easy to forget. A crawl space that takes in water after a leak or a storm can hold it against the joists and the subfloor for a long time, and the floor above can look fine while the damp is still there. Moisture under a slab is harder again, because it cannot be seen at all.

Crawl spaces are reached through a small access, often at the side of the house, so they are harder to work in than a basement. The crew plans the work with that in mind: the equipment, the hoses and the readings are all taken through a limited opening, and the access is kept as clear as the job allows.

Call (833) 490-5225 at any hour. Tell the phone team whether the crawl space has water in it, whether you can reach the access, and whether the floor above is wet or soft. Do not enter a flooded crawl space yourself. A technician looks at the space from the access, reads it with a meter and explains the drying plan before anything runs.

Service area
Wichita & Sedgwick County
Availability
Phones answered 24/7
Warning signs

Signs you need crawl space and slab moisture

Do not enter a flooded or deep crawl space, and do not crawl through standing water under a house. The space may hold live wiring, sharp debris and gases that build up in closed areas. Keep the access open while you wait for the crew, and do not run a pump or a fan in water. Keep children and pets away from the access. If the floor above feels unsafe or sagging, keep off it and call the crew at once.

  • Standing water or a damp, muddy surface at the bottom of the crawl space
  • A floor above that feels cool, spongy or damp in one area
  • A musty or earthy smell in the rooms above the crawl space
  • Wood joists or the sill plate that look dark or swollen at the access
  • Water coming through a foundation wall or a joint in the slab after rain
  • A sump pump that runs constantly or has stopped during a storm
  • Insulation that hangs down or is wet on the underside of the floor
Our process

How our crawl space and slab moisture visit works

  1. Make the access safe and check the power

    The crew checks the access, the lighting and any electrical equipment in the crawl space before entering. Equipment in or near water is not run until its circuit is confirmed safe, and the crew works from the access where it can.

  2. Pump or remove the standing water

    Standing water is pumped out through the access, and the sump is checked if there is one. The crew then reads the soil and any damp areas, since the ground beneath the house can hold water after the surface has drained.

  3. Read the joists, sill plate and slab

    Moisture meters are run across the joists, the sill plate, the subfloor above and the slab or soil where it is accessible. The readings show which timber has taken on water and how far up the floor system it reaches.

  4. Dry the space and the floor above

    Air is moved through the crawl space and the rooms above, and dehumidifiers are set to handle the air in the space. The readings are taken on each visit until the joists, the subfloor and the slab read dry.

  5. Record the readings and the repair

    The readings, photographs and the drying steps are written in the log. The repair of any sump, drain or foundation issue is a separate job for a plumber or a contractor, and the crew notes what the source needs.

How does water get into a crawl space in Wichita?

Water can enter through the soil beside the foundation, through cracks or joints in the foundation wall, through a supply or drain line that runs under the house, or through an access that is open to rain. The crew traces the route from the readings and the signs in the space.

A crawl space that floods after heavy rain is usually taking water from the soil around it, because the ground has become saturated and water finds its way through the foundation. A crawl space that is damp for no clear reason may be taking in water from a line, a drain or a joint in the floor.

The crew looks at the foundation wall, the access and the ground outside, and it asks you about the water after the last storm. The answer decides whether the drying is enough or whether a plumber or a contractor needs to fix the way water is getting in.

Why is a damp crawl space a problem for the floor above?

Moisture in the joists, the sill plate and the subfloor can damage the floor above and support growth in timber that cannot be seen. A floor over a damp crawl space can soften, sag or smell even when the rooms look dry.

The floor system is made of timber that takes in moisture and holds it. A joist that stays damp for a long time can lose strength, and a sill plate that rots can let the house shift on its foundation. The readings in the crawl space show whether the timber has dried.

Mold is one of the risks of a damp crawl space, and the mold section of this site explains how growth is checked once the structure is dry. A crawl space left damp for a long time is harder to dry, which is one reason to call early.

Can a slab that was wet be dried before the floor is put back?

Yes, in many cases. A slab is dried by moving air across its surface and drawing moisture out of the room air above it, and it is read with a meter until it reaches the dry level. The floor covering is laid only after the slab reads dry.

A slab can hold water for a long time, and the floor laid on it can trap that water against the concrete. Carpet, vinyl and wood are all affected differently, and the crew explains the risk for each floor before it is laid again.

Ask the contractor who lays the floor to confirm the slab reading in writing. A new floor laid over a slab that was not dry can fail, and the record of the readings is the best protection for both sides.

What should I do about a sump pump after a flood?

Check that it is running and that its discharge is clear, and have a plumber check the pump and any backwater valve. A sump that has failed during a storm is one of the most common reasons a crawl space or a basement takes in water.

A sump pump that runs continuously may be struggling with the flow into the pit. A pump that has stopped may have failed or been switched off. Either way, the crew records its state in the log and the plumber decides whether it needs repair or replacement.

Keep the pump's discharge pipe clear of debris and make sure it leads well away from the house. A discharge that runs back toward the foundation can put the water straight back where it came from.

How long does a crawl space take to dry?

As long as the readings say. The joists, the sill plate and the soil are dried to the readings, and the crawl space is closed only after they reach the dry level. The time depends on how much water was in the space and how long it stayed there.

A crawl space that flooded briefly and is cleared promptly can dry in a short time, while one that held water for a long period may take longer, and the timber can keep moisture long after the surface dries. The readings decide when the space is ready.

The crew explains the readings at each visit. If the space is not drying, it explains what is slowing the work and what the next step is. Keep the access clear so the equipment and the readings can be reached.

Options

Types and options for crawl space and slab moisture

Crawl space with standing water

A crawl space with water in it is pumped first, and the soil beneath is read once the water has gone. The joists and sill plate are checked along their length, and the access is kept open while the drying continues.

Damp crawl space without standing water

A crawl space that is damp but not flooded may be holding moisture in the soil and the timber. The crew reads the space and decides whether drying is needed, and it notes whether the damp is coming from the soil, a line or the outside.

Moisture under a concrete slab

Water under a slab cannot be seen, and it is found by reading the slab's surface and the floor covering laid on it. The crew tells you which readings it took and what they show, and a floor is not closed until the slab reads dry.

Sump and drain failure beneath the house

A sump that has stopped, or a drain beneath the house that has failed, can let water collect under the floor. The crew notes the state of the sump and the drain, and a plumber checks the fault before the crawl space is closed up.

Sedgwick County

Why crawl space and slab moisture is different in Wichita and south-central Kansas

Where a house has a crawl space rather than a basement, the crew reads the soil and the timber in that space the same way it reads a basement. A crawl space is often close to the ground, so water from the soil outside can reach it easily when the ground is saturated.

Rain and river flooding in the area's history mean a crawl space may take in water in a storm even when it has been dry for years. The October 1998 flood on the Arkansas River and the heavy rain of October 2018 and May 2019 are examples of storms that can bring water to the ground level of a house.

The Wichita-Valley Center Floodway, built in 1959, moves large flows around the city in a flood, but it does not stop water from reaching the soil beside a single house. A crawl space that takes in water in a storm is a local event, and it is read and dried as one.

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If it's an emergency, call now. For non-urgent crawl space and slab moisture, send the form and we'll call you back.

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Where we work

Crawl Space and Slab Moisture across Sedgwick County

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Structural Drying and Dehumidification

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Guides

Read before you book

FAQ

Crawl Space and Slab Moisture FAQs

How quickly can a crew come to a flooded crawl space in Wichita?

Calls are answered 24/7, and a crew is sent as soon as one is free. No arrival time is promised on the phone. Keep the access clear and stay out of the crawl space while you wait.

Will the crew check the slab under my floor?

Yes, where the slab can be read. The crew takes moisture readings on the slab's surface and the floor covering, and it explains what those readings show before any floor is laid again.

Can you fix the cause of the water entering the crawl space?

The crew identifies the likely route the water is taking and explains it. The repair to a foundation, a sump, a drain or a grade is a separate job for a plumber or a contractor, and the crew tells you which one is needed.

Will mold grow in a crawl space after water?

It can, if the timber and soil stay damp for long enough. Prompt drying is the best protection. The crew checks the space once it has dried, and the mold section of this site explains what happens if growth is found.

Is it safe to put a fan or a dehumidifier in a wet crawl space?

Not without the crew's advice. Electrical equipment in or near water is a shock risk, and the crew decides where equipment can be placed safely and how it is powered.

Is moisture under a slab covered by insurance?

That depends on your policy and on the cause of the moisture, and the insurer decides the claim. Keep the readings, the photographs and any plumber's report, and ask your insurer what it needs.

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