White marks on roof beams

joyful88 · Wednesday at 2:19 PM

Hello,
I’ve noticed these white marks on the roof beams in the loft and am very worried it could be something serious. Please could someone tell me what it is and if it’s possible to remove?

Many thanks.

Wayners · Wednesday at 7:54 PM

White mold is a powdery fungus made up of different fungal species that can appear white.

Nige F · Wednesday at 9:33 PM

lack of airflow in the roof

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White marks on roof beams

joyful88

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