5、 Injection of the Glue
The glue should be supplied in high-quality, and then injected strictly according to the instructions. During the curing period, the environment condition should be same as that of processing. Note, avoiding its direct exposure to the atmosphere, otherwise the glue will become cross-linking consolidated or some substance in glue will volatilize in excess, which will lead to its inelasticity. Also, its ability of displacement is pretty poor, which means that once the glue has been injected into the place, it will do harm to the decorative layer of panels if the glue is being displaced.

Also, as shown by the picture above, if intending to increase the ability of self-cleaning of the curtain-wall, we need specially notice the surface shape after glue-injecting.
6、Evenness and Direction
The surface of the whole curtain-wall should be even and smooth thorough in high precision, otherwise, it will make a big visual difference as light reflecting. Especially for those panels with metallic color coating, the degree of difference is much more predominant. The following table could show something:

width of glue seam (comparison with the value of design)	1.5mm
Vertical of glue seam	Height allowed tolerance 3.0mm
Horizontal of giue seam
Evenness of surface

During the process of installation, it is important to make sure all the panels are being installed in the same direction, as illustrated on the protective film. Otherwise, it will result in a serious problem to the visual impact of the whole curtain-wall, especially for those panels with metallic color coating.
Usually, HongTai Group supplies the ACP with size of width no more than 1600mm and length unlimited, however, specific offers are available for those customers who have special purpose, with the consideration of transportation convenience.