Chose from our large selection of structural foam polyolefin round grates. From heel-proof, ADA compliant, to vehicular traffic rated. Our grates are engineered to fit various sewer and drain pipes and fittings ranging from 3" to 15" round as well as our NDS Spee-D basins.
- Complete Drainage Catalog
- Round Grates Technical Specifications
- Precipitation Index">Precipitation Index
- Drainage Calculator">Drainage Calculator
- Chemical Resistance Chart
- Principles of Exterior Drainage
Technical Drawings: NDS Round Grate With ...
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Round grate on Spee-D.
Four round grates showing different color styles available from NDS.