We have provided some photographs as examples of wet rot.
Wet roof timbers.
Condensation water arising from lack of ventilation to roof or floor timbers especially with hollow floors.
Discussion in roofing and guttering started by dougiem 21 dec 2009.
The most common of these wet rot fungal species is cellar fungus.
Modern timber roofs are mostly framed with pairs of common rafters or prefabricated wooden trusses fastened together with truss connector plates timber framed and historic buildings may be framed with principal rafters or timber roof trusses roofs are also designated as warm or cold roof depending on how they are designed and built with regard to thermal building insulation and ventilation.
Possible causes of wet rot are.
Timber damaged by wet rot.
Reply 10 on.
The most common causes of water ingress to upper areas of a property are listed below.
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.
Vac vac and are quite resistant to rot.
These wet rot fungi get their food by breaking down the walls of wood cells.
In order to grow wet rot requires a regular source of moisture.
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Own work cc by sa 3 0 via wikimedia.
18 feb 2009 messages.
Wet rot is often first noticed when floors especially ground floor floor joists become springy under foot.
Wet timbers in my loft.
This often comes from sources like defective plumbing gutters downpipes or stone pointing.
Wet rot very simply put is a natural decay of timber in the presence of high moisture.
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.
Small yellow patch of wet rot on dark wood panel by mätes ii.
How wet rot occurs.
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.
Timber suffering from wet rot will feel spongy even through a coat of paint and look darker than the surrounding timber.
Unpainted and untreated timber exposed to water from roof.
Wet rot is commonly found in cellars roofs and in timbers around windows.
Timber in the roof can also be at risk especially where there is roof damage allowing rainwater to run onto the roof timbers.
Pictures of wet rot.
When dry the timber will easily crack and crumble into fine particles.
