Ian, if you can make the man maths work, go for the roller as it gets rid of all the internal horizontal tracks which inevitably get in the way of the lift or restrict the height the car on it can raise to - guess how I know
Jon - I had sort of come to this conclusion whilst working on the garage yesterday...... Think I can get the "man maths" to work as I've already primed a neighbour on selling the existing door to him for £500
Ian S
2019 Sports Green Plus 4 2025 Hyper Blue Mercedes 180 CLA