Where cast iron manhole covers seal, our ductile iron gratings are built to breathe — engineered to channel stormwater and surface runoff efficiently while still standing up to the same punishing traffic loads as solid covers. Ductile iron’s superior tensile strength and elongation properties make it the material of choice wherever impact resistance and long-term fatigue performance matter most.
Key Features
- Available in slotted, mesh, herringbone, and heel-guard patterns to balance hydraulic flow with pedestrian and cyclist safety
- Full load-class range from A15 to F900 per EN 124, suitable for everything from garden paths to heavy port and airport pavements
- Hinged and lockable frames simplify maintenance access while preventing unauthorized removal
- Bitumen, epoxy, or hot-dip galvanized coatings available depending on the corrosivity of the installation environment
- Manufactured to standard sizes or custom-fabricated to match existing trench drain and channel systems, minimizing costly retrofits
Where They’re Used: Road and highway drainage channels, parking structures, airport aprons, pedestrian plazas and boardwalks, industrial floor and trench drainage, landscaped and green infrastructure projects.
