We need plastic anchors for external wall use, glass-fiber reinforcement mesh is minumum 160 gr/m2 and size of the pores is around 3,5x3,5 mm(other sizes are exceptable), aluminium corner profile is used to get a sharp corner and prevent the cracking at the corner. Sule Hacialioglu ITALIMPEX +39 347 252 82 82 sule@italimpex-forniture.it