Composite Drainage Gratings

Lima Grup manufactures composite drainage gratings at our production facility in Kırşehir Organized Industrial Zone, Türkiye. Available in D400, C250 and B125 load classes, our gratings combine corrosion resistance with lightweight handling for infrastructure applications. Custom colours, company names and logos are available to meet project requirements.
Features
Resistant to rust and rot.
Approximately one-third the weight of metal alternatives.
Easy to transport and install.
Low noise during use.
Low theft risk.
Custom colours, names and logos available.
Available Sizes and Weights
40 × 60 cm grating only — 16.10 kg — D400.
40 × 60 cm with frame — 22.00 kg — D400.
50 × 50 cm grating only — 16.00 kg — D400.
50 × 50 cm with frame — 20.90 kg — D400.
60 × 60 cm grating only — 24.70 kg — D400.
60 × 60 cm with frame — 32.50 kg — D400.
39 × 42 cm grating only — 4.20 kg — D400.
39 × 42 cm with frame — 7.60 kg — D400.
42 × 52 cm with frame — 20.00 kg — C250.
Rust & Corrosion Proof

Manufactured from advanced glass-fiber reinforced composites that are completely impervious to water, moisture, and the aggressive alkaline chemicals present in fresh concrete mixtures.

Non-Stick Surface
The specialized smooth interior finish naturally repels wet concrete and mortar, preventing adhesion and ensuring flawless, perfectly shaped test samples every time without structural damage.
See the advantages of glass-reinforced polyester composites
Technical Advantages of GRP Composites

Lightweight Design
Significantly lighter than traditional steel or cast-iron molds, reducing operator fatigue and accelerating daily testing workflows in both laboratories and active construction sites.

Effortless Cleaning & Maintenance
Eliminates the need for heavy, messy mold-release oils. The seamless interior design allows for rapid demolding and quick wash-downs, saving valuable time between testing cycles.
Share Your Design –
We'll Manufacture the Rest

Navigating complex molding processes and finding the right material formulation can be time-consuming, and production errors are costly. That’s why we offer end-to-end composite engineering and manufacturing services to take the technical burden off your team.
Free up your team to focus on your core business while we handle R&D, CAD design, and material formulation.
Reduce production risks with precision custom molds and tailored SMC/BMC recipes.
Keep your supply chain on track with scalable mass production and reliable global delivery.
Ensure every component is fully compliant with stringent global industrial and defense standards.




