Well. I bit the bullet and decided to replace the sticky and horrible material that has broken down over the years.
Blind removal instructions.
Remove the plastic surrounds. (These pry off) you may have fun with the part closest to the wardrobe as it’s close to the unit. I tapped it up to access bottom screw and back down to access lower one.
There are 4 Phillips (crosshead) screws holding in the blind cassette. & 2 screws holding the stays. Once these are all removed the cassette / frame is free to work with.
Drill out the 2 rivets on the top of the frame. This allows the top roller to be removed. There are 2 chocolate blocks holding the wire that guide the blinds and these will need to be removed too.
The roller is sprung and will unwind. (When refit, it’s about 9 full winds to regain tension. )
Slide out the lower part of the blind (metal part) that clips to the other. You may need wd40 to make it slide easier.
Unroll the blind completely and unstick from main roller.
I used a roller blind bought online for £10 and cut out replacement material parts for the 3 parts. (Need min 1 meter width)
Some double sided tape helps to re adhere the new material to the roller.
Use the thin piping from the old blind to fit the lower segment/component of the blind.
The threading of the wire is a bit fiddly, but a pair of needle nose pliers will help. But you can take a photo to see how it was.
I used gloves to remove old roller blind material as it was horrendous to wash of hands first time.
Tools needed.
Philips screw driver.
Small screwdriver for chocolate block.
Rivet gun & rivets.
Pliers to hold the wire.
Double sided tape.
WD 40 (maybe)
I hope this helps a few others with the same problem.
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