R-4990 Heavy Duty Trench Grating
Neenah R-4990 cast iron trench grating provides a strong defense against water runoff. Pairing heavy duty iron grates with an angle frame, the R-4990 Series stands up to repeated vehicle traffic.
The cast iron R-4990 grates are non-bolted, allowing for easy removal and convenient maintenance. Neenah offers R-4990 cast iron trench grating in six patterns to accommodate project requirements, including ADA compliance and bicycle safety.
R-4999 Bolted Frame and Grate System
R-4999, Neenah’s heavy duty bolted frame and grate system, provides secure coverage over demanding applications. Choose the bolted R-4999 Series for new installations with frequent, heavy duty traffic.
Neenah R-4999 drainage frames and grates are shipped assembled, meaning less time on site and a faster installation.