by bisfhouse.com »
Sat Nov 19, 2011 5:21 pm
I see that this was posted a while ago but for the benefit of other users I shall reply.
The easiest way to attach the battens to the steel frame is by using self tapping screws. The outer steel panels are not terribly thick and do not require pre drilling.
Let us know how you got on if you have finsihed your project since your last post.