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Dry Rot Damage

Dry Rot & Brown Rot in Greater Columbia Basements & Crawl Spaces

Dry rot damaging wood in Waynesville

Damage from dry rot creates small, rectangular pieces of crumbling wood on the surface.

Dry rot damage is often mistaken as from a termite damage, due to the appearance of the damaged wood.

Dry rot (also known as brown rot) is one of the most damaging forces on household wood in the world.

Approximately 20 billion board feet of timber are destroyed by wood rot in the United States each year -- far more destroyed wood than is damaged annually by fire!

Replacement wood used to repair damage caused by wood rot accounts for almost 10 percent of the annual wood production in the U.S. alone.

In the United Kingdom, dry rot problems have been credited for dealing about 150 million pounds worth of damage annually, and wood rot in general leads to about 17 billion dollars of damage each year in the United States.

All-Dry of the Carolinas has a long history of experience in eliminating, preventing, and controlling dry rot in homes throughout North Carolina, South Carolina & Georgia, including Gaffney, Candler, West Columbia, Brevard, Inman, Simpsonville, Seneca, Waynesville, Laurens, Toccoa, Piedmont, Chester, Irmo, Taylors and areas nearby.

If you have a dry rot problem in your home and would like more information, contact us by phone or e-mail today for a free dry rot control estimate!

What is Dry Rot & Brown Rot?

"Dry Rot" is a term most often used to describe a particular kind of dry, cracking, rotting wood. However, dry rot occurs because of a variety of brown rot species, most notably the "true" dry rot fungus known as Serpula lacrymans. Dry Rot originally got its name from the thought that it didn't need water to live, but instead used a fermentation process to survive. Research long ago proved that theory untrue, and dry rot is now more appropriately called "brown rot."

Dry rot needs much less moisture than other types of wood-rotting fungi -- a wood moisture content of just 28-30% -- to survive. While there is no official proof on the subject, many contractors have observed that dry rot also will not grow on wood with too much moisture.

Protect Your Home From Dry Rot!

The Bad News
The Good News
  • While dry rot is not the most common type of rot, it can deal serious damage to your home and endure conditions that are too dry for other types of rot to thrive. In fact, up to a 75% loss in the toughness of the wood [PDF] is possible with just a 1% decrease in the wood's weight of the wood.
  • Dry rot fungus spores are present in most homes and can survive for several years, waiting for the right conditions to grow.
  • Dry rot can pull moisture from moist areas to dry areas. It grows through mortar, concrete, masonry, and behind plaster.
  • Despite its name, dry rot needs moisture to produce spores-- at least 28-30% moisture content within the wood with a relative humidity of 95% or higher. Most softwood timbers in dry homes, especially in the upper levels, have a moisture content of 12-15%.
  • Dry rot problems in basements and crawl spaces can easily be solved by controlling moisture by sealing and dehumidifying the space.
  • Treatment of the wood products such as boric acid are known to eliminate and prevent dry root fungi.
Wood severely damaged by dry rot damage in Inman

The USDA Forest Service reports that just a 1% decrease in the weight of dry-rot-damaged wood can lead to a 75% loss [PDF] of its the wood's toughness overall.

Identifying & Treating Dry Rot or Brown Rot Problems in North Carolina, South Carolina & Georgia

A common first indication of dry rot in a home is the appearance of a "red brick dust".

This red dust is actually an accumulation of fungal spores that are covering the surface, waiting for the proper conditions to start to grow.

When Does Dry Rot Damage Occur?

An outbreak of dry rot commonly occurs several months after a household water event, such as flooding, bursting washing machine hoses, a failed water heater, or leaking pipes. In some cases, water or moisture may have been trapped in a building cavity as the home was being built.

Dry rot is also common in vented crawl spaces and basements with groundwater flooding. It's often not detected until the damage is already very significant.

Steps to Dry Rot Cleaning & Repair

  1. Remove Damaged Wood: All wood that shows decay or visible fungus should be removed, as well as all wood within one meter of the visible decayed material.
  2. Remove Materials Near Damage: Plaster, paneling, linings, and ceilings around the dry rot areas can also contribute to the damage and should also be removed.
  3. Wire brush Affected Area: Using a wire brush, loose material is removed from all surfaces within 1.5 meters of the furthest edge of the infestation, including metal, masonry, and pipes. Resulting dust and debris is removed as well.
  4. Disinfect area: A disinfectant is applied to all wood, masonry, and exposed soil in within 1.5 meters from the damage.
  5. Rebuild: Substantially rot-damaged beams, joists, and posts are replaced with pressure-treated wood.

Preventing Dry Rot in a Basement: Remove all standing water sources, then install a plastic vapor barrier on the walls and floors. Install a self-draining dehumidifier powerful enough to dry the area. (At least a 100-liter model)

Preventing Dry Rot in a Crawl Space: Seal off all crawl space vents and door covers. Encapsulate the crawl space with a crawl space liner, then install a self-draining crawl space dehumidifier.

Permanent Solutions for Dry Rot Problems in Your Basement or Crawl Space

All-Dry of the Carolinas can help you eliminate dry rot problems at their source. We can dry your basement or crawl space, eliminate flooding problems, and seal out humidity.

This not only eliminates dry rot problems, but also creates an environment that is inhospitable to mold, wet rot, and mildew, while helping to keep out termites, carpenter ants, cockroaches, crickets, and other household pests. Crawl space sealing products can also do double duty as insulation, providing you with added energy efficiency.

We offer FREE, no-obligation dry basement and crawl space quotes in our service area. We can answer all your questions and point out the sources of humidity and moisture in your home.

We service North Carolina, South Carolina & Georgia, including Asheville, Greenville, Spartanburg and nearby areas such as Columbia, Anderson, Lexington, Greer, Hendersonville, Easley, Greenwood .

Looking for a price? Get a no cost, no obligation free estimate.

our service area

We serve the following areas

North Carolina
  • Alexander
  • Asheville
  • Bakersville
  • Barnardsville
  • Bat Cave
  • Black Mountain
  • Burnsville
  • Columbus
  • Edneyville
  • Fairview
  • Fletcher
  • Gerton
  • Green Mountain
  • Hot Springs
  • Lake Lure
  • Mars Hill
  • Marshall
  • Mill Spring
  • Montreat
  • Old Fort
  • Ridgecrest
  • Rutherfordton
  • Skyland
  • Swannanoa
  • Tryon
  • Union Mills
  • Weaverville
South Carolina
  • Blacksburg
  • Boiling Springs
  • Bowling Green
  • Chesnee
  • Chester
  • Clifton
  • Converse
  • Cowpens
  • Edgemoor
  • Fingerville
  • Fort Lawn
  • Gaffney
  • Great Falls
  • Hickory Grove
  • Lancaster
  • Liberty Hill
  • Lockhart
  • Pacolet
  • Pacolet Mills
  • Richburg
  • Sharon
  • Smyrna
  • Van Wyck
Our Locations:

All-Dry of the Carolinas
432 Church Street
Laurens, SC 29360
1-864-469-2559