Ian Cornish wrote:
I have some UPVC window frames (Bay window), and the previous owner has
put nice roman blinds on them. I want to keep the blinds, but the sticky
pad that the strings tie too keeps coming off.
Can I *safely* drill 2 small holes and install a hook held on more
firmly with two screws ? do i need special screws, or is there an
alternative option?

That's the way that the manufacturers screw on the handles, hinges etc;
with just normal screws AFAICS

David