The most common of these wet rot fungal species is cellar fungus.
Wet roof timbers.
Condensation water arising from lack of ventilation to roof or floor timbers especially with hollow floors.
Own work cc by sa 3 0 via wikimedia.
Timber damaged by wet rot.
How wet rot occurs.
Wet rot occurring in the upper flooring and roof timbers is less common than in ground floor timbers due to ground floor timbers potentially being in closer contact with damp soil areas and rising damp and less likely to be seen.
When dry the timber will easily crack and crumble into fine particles.
Discussion in roofing and guttering started by dougiem 21 dec 2009.
This often comes from sources like defective plumbing gutters downpipes or stone pointing.
Many people want to know what wet rot looks like and how to tell it apart from dry rot.
Reply 10 on.
The most common causes of water ingress to upper areas of a property are listed below.
Wet rot is commonly found in cellars roofs and in timbers around windows.
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18 feb 2009 messages.
January 06 2009 08 31 08 am looking at your picture the roof trusses are quite young and would be treated in manufacture i e.
When excess moisture infiltrates timber it can allow fungal spores to germinate and grow this eventually leads to the timber losing its strength.
Timber suffering from wet rot will feel spongy even through a coat of paint and look darker than the surrounding timber.
Wet rot is often first noticed when floors especially ground floor floor joists become springy under foot.
These wet rot fungi get their food by breaking down the walls of wood cells.
We have provided some photographs as examples of wet rot.
Small yellow patch of wet rot on dark wood panel by mätes ii.
Wet timbers in my loft.
Pictures of wet rot.
Possible causes of wet rot are.
Wet rot very simply put is a natural decay of timber in the presence of high moisture.
Wet rot is a general term that is often used to describe various fungal species that are responsible for wet rot.
C wikipedia wet rot is less common a problem than dry rot and is often caused by the timbers being exposed to above average levels of moisture or humidity accelerating the natural decay of timber and is often caused by an external issue such as a structural problem or a leaking pipe.
Unpainted and untreated timber exposed to water from roof.
Vac vac and are quite resistant to rot.
