Drilling into stee lintel

[EddieM]

Surely curtains aren't heavy enough to need a connection to structural steel? If the plaster is decent just use your favourite brand of no more nails to attach a batten. Or is that not recommended nowadays?

Entirely depends on whether the plaster is deep enough. It's oft not.

 

[EddieM]

Surely curtains aren't heavy enough to need a connection to structural steel? If the plaster is decent just use your favourite brand of no more nails to attach a batten. Or is that not recommended nowadays?

And battens look sh**e IMHO.