Perforated metal planks, type BN-O (holes open), offer excellent stability with the upwardly punched holes. The drain holes, with a diameter of 8 mm, also guarantee good drainage. The BN-O grating guarantees high stability under normal pedestrian traffic.
Type BN-OL differs from type BN-O only by the larger hole diameter of 14 mm.
Please note that these product properties are not a replacement for the manufacturer's literature and it is always recommended that Lichtgitter UK is consulted before specifying.
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| Product Type (?) | Normally | |
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| Uniclass (?) | Pr_65_52_24_30 Floor gully covers and gratings | |
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| Diameter (?) | 14 mm | |