Drainage duct channel and chamber plumbing structure details that includes a detailed view of cover protection hm separating layer, thermal insulation panel type pf formed sheet for alabardilla, shaped plate for bead seaming, waterproofing, slope formation layer and elastic expansion joint, aluminum joinery stud, angular anchor, aluminum joinery crosspiece with anchoring to allow movement by dilation and anchor screw, veneer, elastic gasket for glass, elastic sealing gasket, double sheet glass and much more of plumbing details.