Iron Age IA-OBLIO-0520-HP Class B OBLIO Heelproof Cast Iron 122mm x 500mm Grate – RAW

SKU: IA-Oblio-0520-HP

Iron Age grate OA5-20I21HP

Actual Dimensions: 4.81″ [122mm] x 19.56″ [496mm] x .81″ [20mm]

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Decorative cast iron trench grate designed to fit the Mearin 100 Channel drain system and others. The Oblio heelproof and ADA complaint pattern is available in either raw casting or Baked-on Oil Finish. With no openings greater than 0.25″, this grate is excellent for use in high foot traffic areas such as sidewalks, patios and courtyards.

Actual Dimensions: 4.81″ [122mm] x 19.56″ [496mm] x .81″ [20mm]

Specification Sheet for IA-OBLIO-0520-HP

Designed to fit:

  • 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 Load Class

Product Type


Load Class

Load Class B

Grate Finish


Grate Shape



Iron Age Designs

Grate Pattern


Animal and Zoo, Commercial, Driveway Drainage, Greenhouse, Municipal, Patio, Residential

Grate Length


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

Finish Type


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