Treetex, pondering

[Itse]

Hello!

I have read a bit in the forum about teetrex, and I also have it in the walls of my house. The radiators are a bit irregularly placed, and I assume it's the material's "fault." I'm considering putting drywall over the teetrex, can I do that despite a couple of layers of wallpaper, or should I strip it beforehand? Or is it just straightforward with drywall, no lath or anything else? Plywood? As you can hear, I'm a novice, and I will get carpentry help when/if the drywall project takes place, but I just want to know more about the matter.

 

[jawen]

The elements are hanging a bit crooked and I assume it's the material's "fault".

The elements' brackets are NOT attached to the Tretex but to the wall behind.
Usually a wooden wall, although it could also be plaster.

Not sure how accessible it is or if you need to remove the element to realign the brackets.
Is the bracket attached only with a lag bolt with a 13 or 17 mm head?