Cladding Battens

[Blob the Builder]

I'm a wee bit perplexed regarding battens to use to attach my external timber cladding to. Battens to be 47 x 50 mm, horizontal cladding 120 x 20 mm.

The question revolves around treated timber. I already have some treated battens on site which are yellow in colour. A different supplier's battens are green. Is there any difference between colours/which to use?

[Mr Punter]

No difference as long as they confirm they are treated.  I think for roofing, battens must be graded to a standard as the roofer will rely on their strength to support their weight when working.