The carpet just goes right over the top of the pad.
Vinyl flooring over carpet pad.
Rug pads for vinyl and vinyl plank floors.
Most vinyl flooring manufacturers recommend using a non rubber product while some will recommend using only rubber.
Given that most vinyl recommend no rubber here are our non rubber alternatives.
The most common type of floors floated over carpet are vinyl and laminate given they are budget friendly and feature a simple interlocking system of installation.
If you reuse your thick carpet padding your floor will be too bouncy and it may damage the locking system.
You can lay vinyl flooring over it.
For better results you can use a carpet pad under the carpet.
Pay special attention to your warranty when installing underlayment.
Just be aware that any bumps or unlevel spots in the linoleum will be seen with a sheet vinyl over top of it.
This pad should be laid down right over the vinyl but not over the carpet runners.
You should not glue the pad and carpet together and then glue it to the vinyl as this would cause too much work if it ever needed to be removed.