Product Documentation
Disclaimer
External manufacturer-provided specifications and technical information are provided “as is” for informational purposes only. We do not warrant their accuracy, completeness, or currency and are not responsible for errors, omissions, or outdated information. Customers should verify all specifications directly with the manufacturer before purchase or use.
ULMA Non-Slip Slotted Galvanized Steel Grate - 420 / 421
ULMA Non-Slip Slotted Galvanized Steel Grate - 420 / 421

Additional Information
- Grate Width: 4.81" for ULMA
- Grate Height: 0.75"
- Weight: 2.0 lb
- Grate Material / Color / Finish: Galvanized Steel
- Manufacturer: ULMA
- System: ABT Polydrain, ACO K100, ACO KS100, D100, HYDROPLUS, HYDROPLUS MINI, M100K, M100KX, U100K, U100KX, M100V
- Grate Load Class: Class A
- Application: Sports Complex - Recreational, General Purpose Drainage - Interior, General Purpose Drainage - External
Description
TDS 420 / GN100KCA & 421 / GN100KCAM is a non-slip galvanized steel slotted grate that maintains a Load Class A rating and is ideal for light-duty applications.
For use with ULMA, MEArin, ABT, and other metric trench drain systems
Actual Dimensions (421): 122mm (4.80" wide x 500mm (19.66") long x 19.05mm (.75") thick
Actual Dimensions (420): 122mm (4.80")wide x 1M (39.3") long x 19.05mm (.75") thick

Locking device sold separately.
- LD100X-2 locking device is compatible with the ULMA U100, D100, and HYDROPLUS channel systems.
-
LD100MX-2 locking device is compatible with the ULMA M series systems.
Large project? Request a Quote
Your #1 Trench Drain Supply Resource!