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New Roof

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rosiew | 06:43 Sun 25th Oct 2020 | Home & Garden
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Morning Answerbankers.

We have just had a new roof put on. My question is, should you be able to hear the wind whistle. Before we had it put on in all the 30 years we have lived in this house I have NEVER heard the wind whistle before. You would think that it would be so quite. What do you think.

Thanks in advance

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The kitchen extension at my place whistles when the wind blows. I think if it does, it does, and if it doesn't, it doesn't. Can't be easy spotting what's dividing the air flow to create the sound, and fixing it. I just put up with it.
I had my Welsh slate roof replaced with new type slate that is a lot lighter weight wise. No issues wind noise wise. Your roofers probably left a slightly larger ventilation gap near the eaves wear roof meets wall. TheBuilder will know.
A roof includes rafters, any/all inner and outer lining (sarking and plasterboard or other inner), roof membrane and tiles/slates. When you say you have a new roof do you really mean a new roof or just one or more of the constituent parts, it matters in order to know what you are describing ?
Tiles? Slate? Pitched? Flat? New battens and roofing felt?
The usual answer, Rosie ... it depends.

Slates or tiles?
Was there felt under the old roof covering?
Did they put in extra roof ventilation?
Question Author
Hi. The roof is tiled and all felt, batons and roof replaced. They did not put roof ventilation in.
Thanks Rosie.
Are you sure the noise you hear isn't just me scratching my head? ;o)

Seriously though folks, this is a new one on me.
I do however have one idea.
Over time, slates or tiles settle in. Any slight gaps between each tile becomes plugged up with lichen/moss/dirt.
The new tiles (especially if they are concrete interlocking tiles, will kind of "sit up" until they finally settle under their own weight.
Throw in some dirt and moss etc, and all gaps become sealed, so to speak.

It might just be this. Wind whistling through the cracks :o)
Possibly your house is old enough that the original roofing felt was nice and thick, offering insulating properties of both heat and sound but which has now received the modern equivalent breathable membrane which has properties more akin to newspaper.

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