The manufacturers guidelines will allways say that as a measure of protectionism but i've seen independant test reports that confirm it is perfectly fine to mix well made versions of the same system. They have to do it as it's impossible to stop mixing at some stage.
Layher for instance keep nibbling at Scaffom yet i've seen test reports saying it's fine and that scaffom is actually stronger, not that im keen on ringlock anyhow personally.
Layher for instance keep nibbling at Scaffom yet i've seen test reports saying it's fine and that scaffom is actually stronger, not that im keen on ringlock anyhow personally.