Permeable 4.5" x 9"

Produced with a 1/16” bevel and hidden spacers, Hanover’s Permeable 4 1/2” x 9” meets standards set forth by the Americans with Disabilities Act (ADA). Minimal openings providing a comfortable walking surface while allowing for water percolation. The Permeable 4 1/2” x 9” x 3” will provide the project with 5.8% open space allowing water to be infiltrated at a rate of 7” to 8” per hour based on proper installation methods. The Permeable 4 1/2” x 9” can accommodate wheel chair traffic, pedestrian traffic and heavy low speed vehicular loads. Sized at 4 5/8” x 9 1/4”, the Permeable 4 1/2” x 9” is a true rectangle, providing the correct size ratio to create interlock stability.

  • ADA Compliant
  • Minimal openings for a comfortable walking surface
  • 5.8% open space per unit
  • Sized at 4 5/8" x 9 1/4" x 3"
  • Supports heavy low speed vehicular loads [Product Usage Chart]
  • True rectangular size ratio to achieve interlock stability
  • Stocked in Charcoal and Limestone Gray [View Colors]
  • Custom colors available when quantities permit
  • Natural, Tudor® and Tumbled finishes available
  • Permeable Paving Units are considered to be a part of the Hanover® Sustainable Products Collection[VIEW ALL SUSTAINABLE PRODUCTS]


Limestone Gray
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