After being sealed by our product, no litter can enter into the drains and hence you do not have to worry about it causing blockages. Besides, the drains is considered a part of the underground section, there is no need to pay attention to it.
In areas adjacent to the beach or areas that have undergone soil erosion, we will do modifications as we deem fit before installing StealthGrate Drainage System.
Theoretically, our product lasts 8 years but to ensure its best performance, we suggest maintaining it every 3 years and replace or upgrade every 5 years.
StealthGrate Drainage System has two types of designs; heavy duty and non-heavy duty. We will decide accordingly during consultation, which type to use.