Might try to do this tomorrow, if I wake up on the right side.

Theres a shop here, just a few blocks up who sells both rock wool and wood material.
My studio buddy recommended these: (its in scandinavian)
http://guiden.rockwool.no/produkter/him ... stikkplate
Apparently, they have it in that shop.
BTW, could you PM me your last post in Swedish? Im not really sharp with all technical names in English!
Sorry bout the wrong link, but it was corrected right. (thanks!) Heres another nice video: http://www.youtube.com/watch?v=dB8H0HFMylo