Flat and sloped roofs face increasing rainfall, leaves, and dust. Surface-mounted sustainable rain filter plates—fixed to drainage grids—offer a maintenance-friendly, green-certified solution for clean, clog-free rooftop runoff collection.
In 2023, a Paris office tower retrofit used surface-mounted filter plates on all rooftop drainage grids.
Project outcomes:
“Retrofit filter plates solved our frequent overflow and maintenance headaches.” — Building Operations Manager, Paris
No drilling or replacement—simply clip, screw, or press the plate onto most commercial or residential drain grids.
Mesh geometry maximizes drainage even in heavy storms while blocking leaves, debris, and rooftop litter; eco materials meet global green codes.
Simply brush or rinse on the roof—no tools or disassembly required.
Feature | Surface-Mounted Plate | Standard Grid Only | Internal Basket |
---|---|---|---|
Blockage Reduction | Excellent | Low | Medium |
Cleaning Frequency | Seasonal | Monthly | Bi-Monthly |
Green Certification | Yes | Rare | Sometimes |
Retrofit Friendly | Yes | — | Sometimes |
Irrigation Suitability | High | Medium | Medium |
<img src="paris-office-roof-filter.jpg" alt="Surface-mounted rain filter plate for drainage grid rooftop runoff">
Q: Will these plates fit any drainage grid shape or size?
A: Yes, custom or standard sizes are available for round, square, or slot grids.
Q: Will they affect drainage speed in heavy rain?
A: No, high-flow mesh design ensures rapid water exit under all storm conditions.
Surface-mounted filter plates are the most cost-effective, sustainable way to protect rooftop drains and maximize water reuse, with minimal maintenance.
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