Start by installing sill trim on the bottom where the panels will startcheapest exterior wall cladding material construction materials aluminium composite panel 3mm then install J channel on sides and trim windowsAfter that install J channel on the sides and bottom of windows and sill trim on topInstalling standing seam panelsThe first panel is the most important one it has to be straight and squareguangzhou xinghe aluminum composite panel building materials screw in screws every inches .

The scope of work includes the designhigh quality 5mm unbroken aluminum composite panel supply fabrication and installation of MondoClad solid aluminium panel claddingtechos y paneles metálicos complete with all necessary sub structuresACP panel sheets anchorsnew design mirror finish acp aluminum composite panel wall cladding hardware and fittings to provide a total installationACP panel 3mm 4mm aluminium composite panel building wall decorative composite materials fully in conformity with the requirements and intent of the dings and specification herein.