Seamlock 473 H75 is a kind of roofing sheet made of non-ferrous metal with rich colors, distance between 2 high ribs is 473mm, it is the profile with the hightest ribs of Dong A ( h=75mm ), suitable for industrial roofs with large aperture of over 20m, low roof slope and build in heavy rain location.
Advantages:
+ The connection between the roof and the sheet with seam clip ensures that the corrugated sheet will not warp when the ambient temperature changes. Especially when there are large whirlwinds, the roof is not unroofed.
+ None direct screws type ( the roof does not age from the screw postion due to impact of the environtment