Does not corrode, does not leak, does not break
KINGI® is the only metal roofing screw that lasts without any corrosion problems — it lasts as long as the best metal roofs on the market.
Appearance and rustfree warranty for 20 years
It is warrantied that the coating of KINGI® metal roofing screws will not chip, crack or loosen, and there is no rust on the painted CrownD-head for 20 years.
Leakage free warranty of 30 years
It is warrantied that KINGI® metal roofing screws are waterproof for 30 years.
Technical warranty of 50 years
A technical warranty ensures that the rusting will no cut the KINGI® screw trunk for 50 years.