What limestone thickness and finish are recommended for SUDS / Permeable Open-Joint Limestone Paving & Sustainable Urban Drainage Landscapes?

We recommend 40mm / 50mm Heavy Calibrated Pavers with 6–10mm Permeable Aggregate/Resin Joints in Tumbled / Bush-Hammered finish, achieving AS 4586 P5 / LEED & BREEAM Stormwater Credit Compatible.

What substrate and adhesive system should be used for Sustainable & LEED Landscape?

150–250mm compacted ASTM No. 57 open-graded angular crushed stone reservoir base + 40mm ASTM No. 8 bedding layer and permeable resin-bound quartz jointing. Finish with Breathable eco-certified water-based silane sealer.

Application Guide · RW-TYAPPL-0122 · Sustainable & LEED Landscape

SUDS / Permeable Open-Joint Limestone Paving & Sustainable Urban Drainage Landscapes

Meeting municipal stormwater runoff mandates (SUDS / LEED v4 Rainwater Management) using thick-bed limestone pavers over open-graded no-fines aggregate sub-bases.

1. Structural & Surface Specification Matrix

Engineering Parameter	Mandatory Architectural Specification
Application Category	Sustainable & LEED Landscape (RW-TYAPPL-0122)
Recommended Surface Finishes	Tumbled / Bush-Hammered
Calibrated Thickness & Profile	40mm / 50mm Heavy Calibrated Pavers with 6–10mm Permeable Aggregate/Resin Joints
Slip & Safety Compliance	AS 4586 P5 / LEED & BREEAM Stormwater Credit Compatible
Substrate & Mortar Assembly	150–250mm compacted ASTM No. 57 open-graded angular crushed stone reservoir base + 40mm ASTM No. 8 bedding layer and permeable resin-bound quartz jointing.
Surface Sealing & Protection Protocol	Breathable eco-certified water-based silane sealer.