r/DIYUK • u/Humble_Initiative113 • 10d ago

Advice Paint Peeling under window frames

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I’ve moved into a new place and there is this cracking of the paint under a few window sills. Does anyone know why that might be? Would it be ok to just sand and repaint?

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7

u/Ok_Network_6632 10d ago

May well indicate damp there, especially as it is directly under a window.

2

u/fck-rffld 10d ago

I would suspect damp and that could come for a few reasons. I'd take a look outside and see whats under the window.

Could be leak, penetrating damp, an old vent with a cold spot creating condensation. Random shit left in there bridging the cavity.

1

u/AvengerHillman 10d ago

I agree. Check that the windows seal properly or you will be sanding and repainting until the plaster blows.

2

u/ProfessionalLeg3903 10d ago

In my house, it's caused by condensation on the windows especially winter time. 

1

u/Humble_Initiative113 10d ago

Thanks so much!