TERMITE DAMAGE REPAIR IN CHARLESTON, SC

Lowcountry Crawlspaces LLC is a crawl space specialist based in Ravenel, SC, repairing termite damage across Charleston, West Ashley, James Island, Mount Pleasant, Summerville and Goose Creek since 2018. We replace damaged sill plates, sister or replace floor joists and girders, and fix the crawl space moisture that draws subterranean termites. Termite treatment itself is done by a licensed pest control company. Free inspection: 843-259-8194.

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Email: LowcountryCrawlspaces@gmail.com

Call: 843-259-8194

Straight Answers Termite Damage Repair

Reviewed by Travis Pfeuffer, owner of Lowcountry Crawlspaces · Published October 2026 · Last updated October 2026

What does termite damage repair involve?

We probe the framing to find every weak board, then support the house with temporary jacks or shoring before any wood comes out. Damaged joists get sistered or replaced, bad sections of sill plate and girder get cut out and replaced, and soft subfloor comes up. Then we deal with the moisture that drew termites in.

Does Lowcountry Crawlspaces treat termites?

No. We repair termite damage but do not treat termites. A licensed pest control company should confirm the colony is gone, or treat it, before repairs start. We can work with your pest control provider on timing so new wood never goes back into an active infestation.

How long does termite damage repair take?

It depends on how much framing is damaged and where. Sistering a few joists is a short job. Replacing a long run of sill plate, with the house supported while the old wood comes out, takes longer. Your written estimate lists the schedule before any work starts.

How much does termite damage repair cost in Charleston?

Cost comes down to how many joists, girders or sill plate sections need work, whether the house needs temporary support, how low and tight the crawl space is, and whether moisture control is part of the job. We price it after a free inspection and put the scope and price in writing.

Why is termite damage so common in Lowcountry crawl spaces?

Subterranean termites cause most of the damage we see here. They live in the soil and need moisture, and Lowcountry crawl spaces give them plenty: humid air, bare ground, open vents and wood that stays damp. Pier and block foundations put sill plates and joists close to the soil they come up through.

Is termite damage repair covered by a warranty?

Structural repairs carry our lifetime repair warranty , and the coverage is attached to the house, not the owner , so it transfers when you sell. Your contract spells out what is covered and what voids it. The warranty covers our repair work. Keeping termites away is part of your pest control company's treatment plan.

Want someone to look at what is going on under your house?

Call 843-259-8194 Book a Free Inspection

What Termite Damage Looks Like Under the House

Termite damage often hides inside the wood. The surface can look fine while the inside has been hollowed out along the grain. We probe the framing and look for these signs:

  • Mud tubes running up piers, block foundation walls or plumbing lines.
  • Wood that sounds hollow or lets a screwdriver sink in with light pressure.
  • Galleries along the grain packed with soil, the typical pattern for subterranean termites.
  • Sagging, soft or bouncy floors above the damaged area.
  • Doors that start sticking or cracks that appear in drywall over a short time.
  • Discarded wings near foundation vents or the crawl space door.

In the Lowcountry, subterranean termites cause most of the damage we see. They live in the soil and need moisture to survive, so a damp crawl space gives them what they want.

Which Parts of the House Termite Damage Affects

Most common

Sill plates

The sill plate sits on top of the foundation wall and carries the house framing. It is often the first wood termites reach because it touches masonry. A badly damaged section gets replaced: we support the structure with temporary jacks or shoring, cut out the bad wood and install new treated lumber.
Floors

Floor joists

Joists hold up your floor. Termites and moisture often damage the ends where joists rest on the sill or girder. Depending on how much wood is left, we sister the joist or replace it.
Structure

Girders and beams

Girders carry the joists and sit on piers. Damage here affects a larger area of floor, so we support that part of the house before any wood comes out. Bigger structural problems go to our foundation repair in Charleston crew.
Underfoot

Subfloor

When termites move up into the subfloor, you notice soft spots under the flooring. Damaged sections are cut out and replaced once the framing below is sound. See crawl space repair.

What Is Sistering, And When Does a Joist Get Replaced?

Sistering means fastening a new, full-strength board alongside a damaged joist so the two carry the load together. It works when a joist has lost some strength but is still in place and mostly intact.

1

Confirm the termites are gone

We confirm the termites are no longer active, or that treatment is scheduled with a licensed pest control company.
2

Take the load off

If the floor has sagged, we take the load off the joist with temporary supports.
3

Fasten the new board

We cut a new board to length and fasten it tightly to the old one with through-bolts or structural screws.
4

Check for level

We check the floor above for level and remove the temporary supports.

Sistering is not the right answer for every board. If a joist is crumbling, split through, or the end is gone where it bears on the sill, we replace it. We show you photos of what we find and explain which approach fits each board.

Why Crawl Space Moisture Leads to Termite Damage

Moisture is what makes a crawl space attractive to subterranean termites.

Humid Lowcountry air, open foundation vents, bare soil and poor drainage all keep wood damp, and damp wood is easier for termites to reach and eat. It also invites wood rot and mold, which weaken the same boards. See crawl space mold removal.

That is why a repair that only replaces wood is often temporary. If the crawl space stays wet, new lumber sits in the same conditions as the old lumber. After the framing is fixed, we look at what is feeding the moisture:

  • Crawl space encapsulation: sealing the floor and walls with a vapor barrier and controlling humidity. See our crawl space encapsulation service in Charleston.
  • Drainage fixes where water collects under the house.
  • Replacing wet or collapsed insulation that holds moisture against the framing.
Repair versus treatment. Lowcountry Crawlspaces repairs termite damage. We do not treat termites. If there is an active infestation, a licensed pest control company should treat it before or alongside the repair. We can work with your pest control provider on timing.

Selling or Buying? Termite Damage and Your Closing

Most South Carolina home sales include a CL-100, the Official South Carolina Wood Infestation Report, completed by a licensed pest control company. If the report notes termite damage or excess moisture, the buyer and seller usually have to decide who fixes it and how. Our guide to what a CL-100 inspection is in South Carolina explains the process.

When damage is found, we inspect the framing and repair it , and document the work for your agent and closing attorney. See our CL-100 clearance repairs.

What Termite Damage Repair Costs in Charleston

The cost depends on how much wood is damaged and where it is. Sistering a few joists is a very different job from replacing a long run of sill plate. The main factors are:

  • How many joists, girders or sill plate sections need work.
  • Whether the house needs temporary support during the repair.
  • Crawl space height and access. Low crawl spaces take longer to work in.
  • Whether moisture control, such as encapsulation, is part of the job.
  • Permits, if your city or county requires one (we pull them when they are needed).

We give a written estimate after we have seen the crawl space.

Where We Repair Termite Damage

We work in Charleston and across the Lowcountry. Many homes here sit over crawl spaces on piers or block foundations, and the humid climate keeps moisture under the house for much of the year. That includes termite damage repair in Saint George and these towns:

Charleston North Charleston West Ashley James Island Mount Pleasant Summerville Goose Creek Moncks Corner Saint George

See all the Lowcountry areas we serve

A Crawl Space Specialist, Not a General Contractor

Encapsulation, cleaning, mold removal, crawl space repair, foundation repair and termite damage repair from one company based in Ravenel.

2018
Founded in Ravenel, SC
Free
Crawl space inspection
Lifetime
Structural repair warranty
Photos
Of what we find, so you see the damage yourself

More Questions Answered Straight

Can termite damaged wood be repaired, or does it have to be replaced?

Many termite damaged boards can be repaired by sistering, where a new board is fastened alongside the old one to restore strength. Boards that are crumbling, split through or missing wood where they bear weight need to be replaced.

What is a sill plate, and why do termites damage it?

A sill plate is the board that sits on the foundation wall and supports the framing of the house. Termites often reach it first because it touches the foundation, and it tends to stay damp in a wet crawl space.

Is termite damage covered by homeowners insurance?

Termite damage is usually not covered by standard homeowners insurance because it is considered preventable maintenance. Check your own policy with your insurer to be sure.

Why fix crawl space moisture after termite damage repair?

Fixing moisture keeps new lumber from sitting in the same damp conditions that attracted termites and rot to the old wood. Encapsulation, drainage work and humidity control are the usual options.

What happens if a CL-100 report shows termite damage?

If a CL-100 notes termite damage, the buyer and seller usually negotiate repairs before closing under the terms of their contract. A contractor such as Lowcountry Crawlspaces can inspect the framing, repair it and document the work.

Found Termite Damage? Let Us Look at the Wood.

We get under the house, probe the framing, photograph what we find and give you a written repair scope. Call 843-259-8194 or book a free inspection online.

Call 843-259-8194 Book a Free Inspection

CRAWL SPACE FOUNDATION REPAIR IN CHARLESTON, SC!

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When it comes to foundation repair in Charleston, SC, Lowcountry Crawlspaces is your trusted partner for ensuring your home’s structural integrity. We specialize in addressing foundation issues such as uneven floors, foundation cracks, and bowing walls, offering long-lasting solutions tailored to the unique soil conditions and weather challenges of South Carolina.

With our comprehensive foundation repair services, Charleston homeowners can count on us for high-quality work, whether it’s fixing foundation settlement, repairing damaged foundation walls, or stabilizing concrete slabs. Contact us today for a free inspection or a free estimate and experience the difference of working with skilled foundation repair experts.


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RECOGNIZING CRAWL SPACE FOUNDATION ISSUES IN CHARLESTON HOMES

Common Warning Signs

Foundation issues can manifest in various ways, and recognizing the warning signs early can save Charleston homeowners from costly repairs down the line. Uneven floors or sagging floors are often one of the first indicators, signaling potential problems with the foundation or floor joists. Similarly, foundation cracks, bowing walls, and sticking or misaligned doors can all point to structural problems that need immediate attention.

Other signs of concern include musty odors, moisture issues, or water damage in the crawl space or basement, which can weaken the foundation over time. Rotting posts or failing foundation walls may also be contributing factors to a home’s instability. Addressing these issues promptly can prevent further damage and protect your home’s value and safety.


Factors Contributing to Foundation Damage

Charleston’s humid climate and frequent heavy rain are significant contributors to foundation damage. Excessive moisture can saturate the soil around your home, leading to foundation movement or foundation settlement. Inadequate or poorly maintained drainage systems exacerbate the issue, causing water to pool around the foundation and increasing the likelihood of damage.

Soil conditions unique to South Carolina, including expansive or loose soils, can also create problems. These conditions can cause the foundation to shift, crack, or sink over time. Without proper encapsulation or moisture control, homes in Charleston and surrounding areas are more vulnerable to structural integrity issues, making timely foundation repair crucial.



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MOLD & MILDEW

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Living in Charleston, you know the challenges our climate poses for your home, especially your crawl space. That's where we come in. As your trusted local experts, we offer comprehensive crawl space encapsulation services tailored to protect your property and enhance your quality of life. Our experienced team understands the unique needs of Charleston homes and will assess your crawl space to provide solutions that address moisture problems, prevent mold growth, and improve energy efficiency. We're committed to your satisfaction, ensuring transparent communication and exceeding your expectations throughout the process. By choosing us, you're not just investing in your crawl space; you're investing in the long-term health and value of your home.

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5% ADVANCE PAYMENT DISCOUNT

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5% QUICK SIGN DISCOUNT

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MILITARY OR SENIOR DISCOUNT

This promotion is valid for our senior citizen clients or our military clients, just send us an email or give us a call requesting for the discount

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ENJOY THESE SPECIAL OFFERS!

5% ADVANCE PAYMENT DISCOUNT

This is valid for clients who pay in full at time of scheduling, just send us an email or give us a call requesting for the discount

Logo for Lowcountry Crawlspaces with black and red stylized text and graphic mark

5% QUICK SIGN DISCOUNT

This promotion is valid for clients who sign the contract within 24hrs of us sending the estimate, just send us an email or give us a call requesting for the discount

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MILITARY OR SENIOR DISCOUNT

This promotion is valid for our senior citizen clients or our military clients, just send us an email or give us a call requesting for the discount

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SERVICING CITY & SURROUNDING AREAS

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Charleston, SC

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Mount Pleasant, SC

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Summerville, SC

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North Charleston, SC

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James Island, SC

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Goose Creek, SC

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Hanahan, SC

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Moncks Corner, SC

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Hollywood, SC

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Isle of Palms, SC

WHAT CUSTOMERS SAY ABOUT US

ZACHARY JONES

Chad was awesome. He came out for my annual inspection. He let me know that everything looked great. Was having issues with the monitors on my dehumidifier and he fixed it in 5 minutes. With your crawlspace you really just want peace of mind and these guys help you have that.


JAMISON BOTTOMLEY

Low Country Crawlspace is top notch! We had a complete overhaul of our crawlspace in West Ashley—insulation on foundation wall, drainage, complete encapsulation w dehumidifier, etc. Tyler and crew were fantastic! They worked diligently and were dedicated to the project. Our crawlspace is TIGHT and had been neglected for decades. They made that dark and dirty place sparkle and answered all my questions through every step of the process. Most importantly, they have left our family with so much confidence in our new crawlspace for years to come. Peace of mind has been priceless! I couldn’t recommend Tyler and Low Country more highly!

LUCIA AND JOHN PARKER

Extremely happy with Lowcountry Crawlspaces services. They worked to fit me in on a busy day after a storm, gave a detailed assessment, and I had an estimate the same day. The estimate was extremely reasonable and they didn’t suggest anything additional that wouldn’t be necessary for the resolution. Will happily recommend them to friends and clients!


ZACHARY JONES

Chad was awesome. He came out for my annual inspection. He let me know that everything looked great. Was having issues with the monitors on my dehumidifier and he fixed it in 5 minutes. With your crawlspace you really just want peace of mind and these guys help you have that.


JAMISON BOTTOMLEY

Low Country Crawlspace is top notch! We had a complete overhaul of our crawlspace in West Ashley—insulation on foundation wall, drainage, complete encapsulation w dehumidifier, etc. Tyler and crew were fantastic! They worked diligently and were dedicated to the project. Our crawlspace is TIGHT and had been neglected for decades. They made that dark and dirty place sparkle and answered all my questions through every step of the process. Most importantly, they have left our family with so much confidence in our new crawlspace for years to come. Peace of mind has been priceless! I couldn’t recommend Tyler and Low Country more highly!