|TATA Shaktee GC Sheet||Normal GC Sheet|
|Even corrugations ensure perfect overlapping which results in improved weather-proofing. Moreover, there is no unwanted retention of particles and moisture between overlapped joints. This prevents corrosion originating from overlapping.
||Uneven corrugations and edge waviness lead to gap in overlaping, resulting in a badly fabricated roof. Unwanted particles and moisture stuck between the sheet overlapings results in corrosion starting from the joint.