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.
![](https://www.kingi.fi/wp/wp-content/uploads/2016/01/KINGI_Warranty20.png)
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.
![](https://www.kingi.fi/wp/wp-content/uploads/2016/01/KINGI_Warranty30.png)
Leakage free warranty of 30 years
It is warrantied that KINGI® metal roofing screws are waterproof for 30 years.
![](https://www.kingi.fi/wp/wp-content/uploads/2016/01/KINGI_Warranty50.png)
Technical warranty of 50 years
A technical warranty ensures that the rusting will no cut the KINGI® screw trunk for 50 years.