From the outside, dry rot appears as dark, fine, and powdery patches. However, when broken open, the affected wood looks rotten and feels soft to the touch. Dry rot is caused by a fungus that thrives in damp conditions and causes wood to degrade. This fungus can spread quickly through the wood, especially in areas where moisture is trapped, such as the joints between walls or floors and ceilings or under roof eaves or porches.

Dry rot repair contractors can use different methods to treat dry rot depending on its extent. They might shave off the affected area of the timber and apply caulking around the edges of the hole. They might also apply a special chemical solution to kill fungal spores. Once this is done, they will then have to replace any damaged boards with new ones.

A dry rot repair contractor should be hired for a job like this because it requires extensive knowledge about how to treat the affected areas of timber. A homeowner who lacks this knowledge might not be able to identify all areas that are affected by this fungus and only treat some of them instead of all of them, which could lead to further dry rot damage in their home.