tree grating suppliers
Outer Size (mm) | Clear Opening (mm) | Available Load Class* |
600 × 600 | 550 × 550 | B125 / C250 / D400 / E600 |
700 × 700 | 650 × 650 | B125 / C250 / D400 / E600 |
800 × 800 | 750 × 750 | B125 / C250 / D400 / E600 |
900 × 900 | 850 × 850 | B125 / C250 / D400 / E600 |
600 × 800 | 550 × 750 | B125 / C250 / D400 / E600 |
800 × 1200 | 750 × 1150 | B125 / C250 / D400 / E600 |
830 × 1650 | 730 × 1550 | B125 / C250 / D400 / E600 |
1000 × 1000 | 950 × 950 | B125 / C250 / D400 / E600 |
1000 × 1500 | 950 × 1450 | B125 / C250 / D400 / E600 |
1200 × 1200 | 1150 × 1150 | B125 / C250 / D400 / E600 |
*Load classes per EN 124‑2:
B125 – sidewalks & bikeways • C250 – curb zones • D400 – carriageways • E600 – docks & heavy duty.
Material | Typical Thickness (mm) | Finish Options | Key Traits |
Ductile Cast Iron | 25 / 30 / 45 | Black bitumen, epoxy, or natural weathering | High compressive strength, impact‑resistant |
Stainless Steel (304 / 316) | 5 / 8 / 10 | Brushed, bead‑blasted, mirror | Rust‑free, modern appearance |
Weathering Steel (Corten) | 6 / 8 | Pre‑oxidized patina | Warm tone, low maintenance |
Hot‑Dip Galvanised Steel | 6 / 8 | Bright zinc, powder‑coat colour range | Budget‑friendly, anti‑corrosion |
All grille panels can be laser‑cut into geometric or organic patterns, supplied in square or round modules, or hinged halves for tool‑free lift‑out.
Benefit | Details |
Superior Ventilation | Large free area keeps soil aerated and reduces dust. |
Root & Soil Protection | Minimises evaporation, prevents erosion, promotes nutrient uptake. |
Heavy‑Load Tested | Optional E600 rating handles trucks, forklifts and dock traffic. |
One‑Stop Fabrication | Cutting, bending, forming, surface treatment and colour matching in‑house. |
Design Flexibility | Any graphic, logo or text can be engraved for branding or way‑finding. |
Fast Logistics |
INQUIRYCATEGORIESLATEST NEWSCONTACT USContact: Chris Phone: + 86 16624782481 info@manholecoversupply.com Add: Room B0456, 8th Floor, No. 88 Tangjing Road, Baiyun District, Guangzhou |