Dry Rot is a severe type of fungal decay. Professional dry rot treatment and repair can prevent dangerous structural damage

Dry rot is a form of wood decay caused by certain species of fungi that digest parts of the wood which give the wood strength and stiffness. It’s called “dry” rot because the wood appears to be dry when in fact the decay occurs in wood with a moisture content of more than 20%. Dry rot can cause significant structural damage to buildings if left untreated.

Dry rot can be identified by its distinctive features, which include a musty smell, wood that crumbles easily to the touch, deep cracks in the wood grain, and the presence of fungal growth, which may look like a cottony white or grey mushroom-like mass. You might also see rust-red spores if the fungus is reproducing.

Dry rot is caused by the fungus Serpula lacrymans. The fungus thrives in environments where there is a moisture content of over 20% in wood, often due to water ingress, poor ventilation, or lack of effective damp proofing. Once established, the fungus can grow through building materials to spread to other areas.

Preventing dry rot involves controlling moisture levels in your property. Ensure proper ventilation, repair leaks promptly, maintain gutters and downspouts, and use a dehumidifier in damp areas. Regular maintenance and inspections can also help identify and address potential issues before they lead to dry rot.

Treating dry rot involves several steps, including:

1. Identifying and rectifying the source of moisture.
2. Removing and replacing the affected wood and any other infected materials.
3. Treating the surrounding areas with a fungicide to prevent further spread.
4. Implementing measures to prevent future moisture buildup.

Yes, while dry rot primarily affects wood, the fungus can spread through non-wood materials like plaster, bricks, and mortar to reach other wood in the structure. It does not feed on these materials but uses them as a conduit to spread.

Due to the complex nature of dry rot and the potential for significant structural damage, it’s recommended to hire professionals. Specialists in dry rot treatment have the expertise, equipment, and materials to effectively address the problem and prevent its recurrence.

The duration of dry rot treatment can vary depending on the extent of the infestation and the measures needed to address it. Minor cases might be resolved in a few days, while more severe cases could take several weeks to ensure all affected areas are treated thoroughly.

If the underlying moisture problem is resolved and the area is properly treated, dry rot should not return. However, if the conditions that led to the original infestation are not corrected, there is a risk of recurrence.

The cost of dry rot treatment can vary widely depending on the severity of the infestation, the amount of damage, and the necessary repairs. It’s best to get a detailed assessment and quote from a professional to understand the potential costs involved.