Iron Age IA-INTER-0520 Interlaken Cast Iron 122mm x 500mm Grates Class B – Raw

SKU: IA-Inter-0520

Iron Age grate IA5-20I21

Actual Dimensions: 4.81″ [122mm] x 19.44″ [494mm] x .81″ [20.57mm]

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Decorative cast iron trench grate designed to fit the ULMA U100, MEArin 100 Channel drain system, and others. 

The Interlaken pattern is available in either the raw casting or Baked-on Oil Finish (BoOF).

Actual Dimensions: 4.81″ [122mm] x 19.63″ [498mm] x .81″ [20.57mm]

Specification sheet for IA-INTER-0520

Designed to fit:Iron Age Interlaken Cast Iron 5x20 Grate Specs

  • ULMA
  • MEArin 100 by MEA-Josam
  • MEA J1000 by MEA-Josam
  • Enviro-Flo by J.R. Smith
  • Alfa Channel by MultiDrain
  • Smith/ACO K100S by J.R. Smith
  • Polydrain by ABT

Locking devices are sold separately.

Please note that all raw cast-iron grates begin to naturally rust with exposure to any form of moisture and will appear bright orange before settling to brown.

What is Baked On Oil Finish (BoOF)? Click Here to learn more.

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Grate Height

3/4 inch

Grate Pattern

Finish Type

Product Type


Load Class

Load Class B

Grate Shape



Iron Age Designs

Grate Load Class


D100, HYDROPLUS, HYDROPLUS MINI, M100K, M100KX, MEA100, MEArin 100, U100K, U100KX


Commercial, Driveway Drainage, Municipal, Patio, Residential

Grate Finish


Grate Length

CSI Code 05 53 00, 05 56 00, 05 59 00, 05 70 00, 05 74 00, 22 00 00, 22 14 00, 22 14 26, 22 14 26.19, 33 40 00, 33 44 16

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