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Damage from dry rot creates small, rectangular pieces of crumbling wood on the surface. Dry rot damage is often mistaken as a termite infestation.
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 is destroyed by wood rot in the United States each year-- far more 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.
The Basement Systems international network of basement and crawl space contractors have a long history of experience in eliminating, preventing, and controlling dry rot infestations in homes throughout the United States, Canada, and the UK.
If you have a dry rot problem in your home, call or e-mail us today to sign up for a free dry rot removal and control estimate!
"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. It originally got its name from the thought that it did not need water to survive and used a fermentation process to survive. This has long since been proven untrue, and it is now more appropriately called "brown rot", although the old name hangs on.
However, dry rot does need 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.
Architect's Journal reports that dry rot can grow through damp mortar, concrete, masonry and behind plaster to establish itself in other areas of the building. This can make treatment of dry rot complicated and expensive, and it can mean that future problems with dry rot can arise unless the cause of the problem is addressed first.
Protect Your Home From Dry Rot!
The Bad News
The Good News
Even dry rot needs wood with 28-30% moisture content to thrive. Wood with less than 25% moisture can remain free of fungi for centuries.
A common first indication of dry rot in a home is the appearance of a "red brick dust".
This is actually an accumulation of fungal spores that are covering the surface, waiting for the proper conditions to start to grow.
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.
Dry rot is also common in vented crawl spaces and basements with groundwater flooding.
Dry rot is often not detected until the damage is already very significant. At this point, the following steps are recommended:
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.
Basement Systems has dealers across the United States, Canada, and the United Kingdom that can help you eliminate dry rot problems at their source. We can dry your basement or crawl space, eliminate flooding problems, and seal out outside humidity.
This not only eliminates dry rot problems, but also creates an environment that's inhospitable to mold, wet rot, and mildew, as well as keeping out termites, carpenter ants, cockroaches, crickets, and other household pests.
We offer FREE, no-obligation dry basement and crawl space estimates in all our service areas. We can answer all your questions and point out the sources of humidity and moisture in your home. Call or e-mail us today to get started on a healthier, better-preserved home!
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