with regards to the op i tend to just paste the paper not the wall. that's my preference but not every bodies.
But most manufacturer's state that you must paste the wall elrobbo. I find this very surprising coming from a man that is very strict on complying with the instructions set out by the manufacturers.
So I ask you, as you asked me (as can be seen in the link below)
//www.diynot.com/forums/decorating/new-hardwood-exterior-door-painting-tips.293856/page-2
if you are prepared to take full responsibility for the failure of the system?