A pool cover roller is supposed to be secure enough to stand in the close of the pool and reel deploys the cover without needing to fasten it into the pool.
Thus, once the cover isn't about the pool, then the roller using all the cover wound onto it ought to have the ability to be transferred away from the pool edge so it doesn't interfere with swimmers or people moving around the pool. You can also buy automatic pool covers & retractable pool cover reel for inground pools.
When the pool has a protruding part, such as out a swim, which might need the roller bar to be impractically too broad, you can think to fold that part of this cover when rolling the blanket up.
This works better if the folded part of this pool cover is one of the previous parts of this cover to move onto the roller coaster, and conversely is tough of this fold is one of the very first section to move on the roller bar.
A different “fall in" a bit of this cover may also be considered to conquer this. Broadly the deep end of the swimming pool is generally located away from the gate and will be the least likely wind for swimmers to get the water.
Therefore a solar panel pool cover is intended to make life simpler and your swimming season more, but they could also pose some issues of their own. It's not compulsory to have a roller but with one functioning using a pool cover only makes with a swimming pool a great deal better.