A TOTAL blackout solution blinds for upvc windows.
I've recently came across a solution to a real pain with blinds that all of them have allowed sun to shine into the small gap around the perimeter and (though not applicable with later mornings) in the summer it would cause me to wake up with first rays of light. A solution, for so called conservatory UPVC double glazing, fits a small frame around the glass, which doesn't interfere with anything and allows blocking of those early morning sun rays perfectly. Here is an example to check out:
https://www.blinds-2go.co.uk/perfect-fit-pleated/19507/duoshade-egg-shell.html
https://www.blinds-2go.co.uk/perfect-fit-pleated/19507/duoshade-egg-shell.html
