Hi,

I was all set to hang some wooden slatted blinds in the bedroom the other
day. I measured up to hang them from the top of the window recess (if that
makes sense) as we already have curtains up and wanted the blinds for
privacy. When I started drilling the holes, I drilled about 10mm into the
plaster and hit what must be a metal strip. We live in a six year old house
with uPVC glazing.

What's this metal strip for, how thick is it and is it ok to drill through
it in order to fit the blinds?

Thanks in advance.

J