Both the instructions for the blind and this video (2:50) show that the tab shouldn't be going top to bottom but should be horizontally aligned. If I try to slide the blinds in, it doesn't fit as the hole on the side of the blind expects an horizontal tab. (not a native speaker, hopefully what I...
We had two VELUX roof windows installed a couple of years ago when we did our extension. I bought a genuine blackout blind and I tried to install it but I realised the tabs where I'm supposed to slide the blind in are the wrong way round. I'm attaching a picture for your reference.
Is this...