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Mould In Loft - Advice Please
Comments
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Hi Scootymad,
A snippet of technical info which you may get from EH, or for you to prepare for.
What age is the roof? Has it been re-roofed?
I would suggest most roofs pre, perhaps, mid 1990's were lined with Type 1F felt - a product that most of us would just call roofing felt. It is a cheap "poor quality" felt but almost everyone used it. In reality, regardless of the ventilation that is supposed to be there, condensation on the underside of the felt is inevitable. This then drips down, but is not seen because it soaks into the fibreglass/Rockwool roof insulation, or runs to the eaves. Items stored in the roof receive this dripping. or general dampness, and go mouldy.
In recent times, the type of felt and the amount of ventilation has, in theory, improved.
HTH0 -
Hi Scootymad,
A snippet of technical info which you may get from EH, or for you to prepare for.
What age is the roof? Has it been re-roofed?
I would suggest most roofs pre, perhaps, mid 1990's were lined with Type 1F felt - a product that most of us would just call roofing felt. It is a cheap "poor quality" felt but almost everyone used it. In reality, regardless of the ventilation that is supposed to be there, condensation on the underside of the felt is inevitable. This then drips down, but is not seen because it soaks into the fibreglass/Rockwool roof insulation, or runs to the eaves. Items stored in the roof receive this dripping. or general dampness, and go mouldy.
In recent times, the type of felt and the amount of ventilation has, in theory, improved.
HTH
My gaff aint got any felt,just battens and slates to the eye.
Suffer with a bit of mould even though i have stuff well covered up there.Official MR B fan club,dont go............................0 -
Hi Scootymad,
A snippet of technical info which you may get from EH, or for you to prepare for.
What age is the roof? Has it been re-roofed?
I would suggest most roofs pre, perhaps, mid 1990's were lined with Type 1F felt - a product that most of us would just call roofing felt. It is a cheap "poor quality" felt but almost everyone used it. In reality, regardless of the ventilation that is supposed to be there, condensation on the underside of the felt is inevitable. This then drips down, but is not seen because it soaks into the fibreglass/Rockwool roof insulation, or runs to the eaves. Items stored in the roof receive this dripping. or general dampness, and go mouldy.
In recent times, the type of felt and the amount of ventilation has, in theory, improved.
HTH
That would make sense with what seems to be going on in the loft. Its a very poor quality of felt and the condensation has been building up on it then dripping down!0 -
Well EH were most unhelpful! All he said was he would advise the LL to put in additional venting but wouldnt chase him for it.
He literally popped his head in the loft for 20 seconds, thats it!0
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