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Crawl Space Flood Drying in Lafayette, LA

Pumping, cleaning and drying a crawl space and the floor framing above it after flood water has come in from below or through the vents.

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  • Flooded homes, burst pipes and roof leaks
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Crawl Space Drying

Crawl Space Flood Drying: what it covers

Quick answer

Crawl space flood drying removes the water from the space under a raised floor, cleans and dries the joists, subfloor and insulation, and reads the moisture until the floor above is dry. Where a home in Lafayette has a crawl space, the crew treats it as part of the living area's drying. Calls are answered 24/7, and Lafayette Water Damage Restoration sends a crew as soon as one is free.

Crawl Space Flood Drying illustration for Lafayette, LA, with the river in the background

A crawl space is the shallow void between the ground and the floor of a raised house. It holds the joists, the subfloor from below, the ducts and the insulation, and it is often the part of the house that nobody checks until something goes wrong. Flood water that reaches it can sit there for a long time, out of sight, and keep the floor above wet.

Water gets into a crawl space in several ways. It can rise through the vents, come in through an access door, seep through the ground, or back up from a drain line that runs below the floor. Each route leaves a different pattern, and the crew reads the pattern to find out which one it was before deciding how to dry the space.

Call (833) 490-5225 at any hour if you know or suspect water under the floor. Say whether you can see water through the access door or the vents, whether the floor above feels soft or cool, and whether a smell is coming up through the registers. A crew is sent as soon as one is free, and it does not promise an arrival time.

Service area
Lafayette & Lafayette Parish
Availability
Phones answered 24/7
Warning signs

Signs you need crawl space flood drying

Do not enter a crawl space that has standing water in it until the power is confirmed off to any equipment in the water. Watch for stale air, sharp nails and debris, and for snakes, insects and other animals that may take shelter under a house after a flood. Wear boots, gloves, a mask and eye protection. Do not use a gas or propane heater in an enclosed crawl space, because the fumes can collect there.

  • Standing water, mud or a wet line on the ground or on the piers when the access door is opened
  • A floor above that feels soft, spongy or cool in one area, or a board that has begun to cup
  • A musty smell coming up through floor registers or gaps around the baseboards
  • Insulation hanging down from the joists, sagging or stained brown or gray
  • Ducts or pipes under the floor that are wet, sweating or dripping
  • Vents that look clogged with silt or debris after heavy water has been near the house
Job stories

Typical jobs for crawl space flood drying

Typical job
Illustration: Storm water sits in a crawl space under a raised floor

Storm water sits in a crawl space under a raised floor

What homeowners notice
After a storm, the owner of a home with a crawl space notices a soft spot in the floor of the den and a musty smell at the floor register. Looking through the access door, the owner sees standing water on the ground and a wet line on the piers.
What we do
The crew confirms the power to any equipment in the space is off, then checks the access route and the air before anyone goes in. The standing water is pumped out, and insulation that soaked through is removed. The joists and the subfloor are read from below, and air is moved across them until the readings reach the dry reference.
What to expect
The subfloor and joists are dry at the end of the visits, the den floor is reassessed for any repair, and the owner receives a record of the readings and photographs of the entry points, with a note of the vent that let water in.

5-7 hours typical visit

Options

Types and options for crawl space flood drying

Water that came in through the vents

Vents let water into a crawl space when the ground outside rises or when water runs against the foundation. The water often leaves silt in the space and on the lower joists. The crew removes the silt where it can be reached, dries the framing, and checks whether the vents need to be blocked or cleaned as part of the repair.

Water that came in through the access door

An access door that does not seal can let floodwater in quickly. The water in this case tends to pool near the door and the lowest point of the ground. The crew plans the drying from the door inward, and it checks the joists nearest the door first because they hold the most water.

Water from a drain or supply line below the floor

A drain or a supply line that runs under the floor can leak or back up into the crawl space. This water is treated according to its source, and a drain backup is handled as contaminated. The crew checks the line, records the leak and makes sure the space is dried after the line has been repaired by a plumber.

Water that seeped through the ground

Water that comes up through soil can leave the ground damp for long periods, and the moisture can keep the joists wet even after the standing water is gone. The crew measures the ground-side moisture and the wood, and it explains what it can and cannot dry from inside the space.

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Why does the floor above stay wet after the crawl space looks dry?

Joists and subfloor boards hold water deep in the wood, and the air in a crawl space moves slowly. A space that looks dry from the entry can still have wet wood overhead, and the floor above will show that moisture for a long time.

The crew reads the wood with a moisture meter rather than trusting the look of the space. Readings are taken at the joists near the walls, in the middle of the span and at the points where the water pooled. Those readings decide when the drying is done.

A floor can also stay wet if the ground under the house is still damp. The crew measures the ground-side moisture as well, and it explains whether that moisture is coming from the ground, from a vent or from a leak that has not yet been found.

Should I remove the insulation under the floor?

Insulation that has been in standing water or has soaked through usually cannot be dried in place, and it is removed. Insulation that stayed above the water line may be kept, if the readings show it is dry and it looks sound.

Batt insulation that has soaked holds water against the joists and the subfloor, and it can hold odor and growth as well. Removing it lets the wood dry and makes it easier to see what is underneath. The crew records what was removed and why.

Insulation that stayed dry is checked and kept where possible. If it has been compressed or torn in the process of drying, the crew explains what it means for the energy performance of the floor, and it leaves the decision about replacement to the owner.

Can I dry the crawl space myself with a fan?

A fan can move a little air in an open crawl space, but it cannot reach the joists and the subfloor properly, and it can push moisture into rooms above. Structural drying is set up with the readings in mind, and it is the step that changes the outcome.

A fan placed at the access door blows air across the surface of the water and the ground, and that can leave the wood behind it still wet. Fans can also push moist air into the floor cavity and the rooms above. The crew uses equipment placed for the joists and checks the room above to confirm the moisture is not moving upward.

If you have already started pumping or drying, keep a note of what you did and when. The crew can use that record to understand how the water behaved before its arrival.

What should I expect the crawl space to look like after drying?

A dried crawl space still shows some signs of the event, such as a stain line on the piers, silt that was not reachable, and wood that has changed color. The crew explains which marks are normal after drying and which need further work.

Wood that was wet for a long time can darken, and a stain can remain even after the moisture has left. That is not always a sign of continued damage, and the readings show whether the wood is dry. Silt that could not be reached may need to be cleared later, and the crew notes where it remains.

Ducts, pipes and the vapor barrier are checked as part of the close-out. Anything damaged is listed in the record, and the owner decides with the crew what should be replaced and when.

Our process

How our crawl space flood drying visit works

  1. Access and safety

    The crew checks the access route and the air in the space before anyone goes in. Crawl spaces can hold stale air, sharp debris and animals, and the entry is planned with protective gear. The power to any electrical equipment in the space is confirmed off if the water is near it.

  2. Source and water level

    The technician finds where the water entered and how deep it stands. Where the source is still open, such as a vent or a drain line, the crew tells the owner what must be closed before the drying can work. A crawl space that keeps refilling cannot be dried.

  3. Pumping and removal

    Standing water is pumped out with equipment suited to a shallow, confined space. Wet insulation that has sagged or soaked through is removed, because it holds water against the joists and cannot dry in place. Mud and silt are cleared where they can be reached without damaging the structure.

  4. Drying the joists and subfloor

    Air is moved through the space with equipment placed to reach the joists and the underside of the subfloor. Dehumidification is used where the space is too closed for airflow alone. The crew reads moisture in the wood from below and, where the floor covering allows, from above.

  5. Readings and close-out

    Each visit records the readings and the photographs. The drying is finished when the joists and subfloor return to the dry reference taken at the start. The owner receives the record, which lists what was removed, what was dried, and where the source was closed.

Lafayette Parish

Why crawl space flood drying is different in Lafayette and Acadiana

For a crawl space in Lafayette, the question is how far the water rose into the framing above it. The readings on the joists tell the crew whether the floor needs to be opened, and that decision is made after the space is dry, not before.

Water from the August 2016 flood reached buildings across Lafayette Parish. Where a home in Lafayette Parish has a crawl space and took water, its drying is recorded in the same way as the living area above it.

A crawl space in Lafayette is handled as part of the building, not as a separate job. The access, the vents and the ground outside all matter, and the crew checks each one before it decides what the drying needs.

Where we work

Crawl Space Flood Drying across Lafayette Parish

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Guides

Read before you book

FAQ

Crawl Space Flood Drying FAQs

Do I need the crawl space dried if the water was only a few inches deep?

Yes, if the water reached the joists or the insulation, because wood that was wet can hold moisture long after the surface looks dry. A shallow depth can mean a shorter job, but the readings still decide when the drying is complete.

Can the crew dry the space while I am still living in the house?

Usually yes. The equipment in the crawl space is set up outside the living area, and the crew explains any noise, access or airflow changes before they happen.

How do I stop water from coming back into the crawl space?

The crew checks the entry points, the vents, the access door and the ground outside, and it tells you what it found. Fixing the route is a separate task from drying, and a contractor should be asked to confirm the route is closed.

Will the floor above need to be repaired?

It depends on what the readings show. A floor that has dried and holds its shape may need only a light repair. A soft or cupped floor may need its boards or subfloor replaced, and the crew explains what it sees before any repair is planned.

Is there an arrival time for a crawl space call?

No. Crews are sent as soon as one is free, and Lafayette Water Damage Restoration does not promise a time of arrival or a time of day for the visit.

Who decides what gets removed from under the house?

You do, with the crew. The technician explains which materials are wet beyond drying and why, and nothing is removed without your approval, unless the safety of the space requires it.

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