Flexus AP-200 installed — Mary Esther Azalea Trail, City of Mary Esther, FL

Permeable.
Pedestrian-grade.
Natural-looking.

The only pedestrian-grade permeable pavement with a complete submittal package.

Request a sample → Download spec pack Explore series

Installed project

Mary Esther Azalea Trail

City of Mary Esther, FL · AP-200 · 9,000 sf

Completed

Atlanta, GA manufacturer

CSI Division 32 spec language included

7 ASTM & EPA tests completed

ADA-aligned · LEED-eligible · MS4-capable

Physical samples available

Why Flexus exists

You didn't have a choice before. Now you do.

Every pedestrian path project needs the same three things. Until now, no single material delivered all of them.

	Concrete	Asphalt	Gravel	Flexus
Fully permeable	✕	✕	✓	✓
Pedestrian-grade & ADA-aligned	✓	✓	✕	✓
Natural aesthetic	✕	✕	✓	✓
Qualifies as stormwater BMP	✕	✕	~	✓
Submittal-ready spec package	✓	✓	✕	✓
Stable & bound surface	✓	✓	✕	✓

~ Gravel may qualify in some jurisdictions as a permeable surface BMP; acceptance is inconsistent and ADA defensibility is limited.

Permeable

Rainfall goes through the surface, not around it — engineered to >200 in/hr. Performance is in the spec pack.

Pedestrian-grade

Firm, stable, slip-tested per ASTM E303, and ADA-aligned. No redistribution, no crack sealing, no joint maintenance.

Natural-looking

Stone aggregate in natural tones that fits a park, trail, or campus. Weathers gracefully — rubber-bound surfaces have been in service for 20+ years.

Find your path in.

Stormwater engineers

Permeable pavement as a stormwater BMP

LID, MS4, and runoff reduction. Permeability tested to ASTM F1551. Leaching results on file.

Stormwater spec details

Landscape architects · Specifiers

CSI Division 32 spec & LEED credits

Drop-in Division 32 spec language, LEED credit mapping, and submittal-ready ASTM reports.

Specifier resources

Municipal · Parks · Public works

Procurement, RFPs, and public bids

Sole-source justification, line-item budget references, and bid-ready Division 32 documents for parks and public works.

Procurement package

ASTM tested. EPA leach tested. Submittal-ready.

Seven tests completed. Every report ships with the submittal package.

Download spec pack →

Abrasion resistanceASTM C501Completed

PermeabilityASTM F1551Completed

Slip resistanceASTM E303Completed

Water absorptionASTM D2859Completed

UV exposureASTM G154Completed

TCLP / SPLP leachingEPA 1311 & 1312Completed

RCRA metals (incl. Hg)RCRACompleted

Budget planning

Adjust series, lift, and area to get a rough installed cost. Not a quote — a starting point.

Series

Lift thickness

Project area (sq ft)

5,000 sf

Full installed cost / sf

Surface + labor + base + drainage — same scope

Gravel / DG$4 – $8

Asphalt$12 – $20

Concrete$18 – $28

Flexus CP$14 – $20

Flexus AP$18 – $26

Estimated installed cost

$70,000 – $90,000

Based on 5,000 sf · CP-150

Material (surface lift)

~60%

Base prep & aggregate

~25%

Edge restraint & install

~15%

Ranges reflect typical installed costs in the Southeast US. Final pricing depends on site conditions, base depth, mobilization, and contractor. Request a sample or spec pack to start a formal quote process.

Two series. One system.

Same system. Different aggregate intent.

CP series · Civil Pavement

Infrastructure-first. Neutral, durable, cost-controlled.

Municipal parks, greenways, and public trails. Budget-controlled, neutral, durable.

CP-150 CP-200 CP-250

Explore CP

AP series · Architectural Pavement

Material expression. Curated blends. Elevated finish.

Campuses, botanical gardens, and design-led routes. Four curated aggregate blends.

AP-150 AP-200 AP-250

Explore AP

Built to last.

Designed for 15–20 years. Honest about what that means.

Design service life

15–20 yrs

Pedestrian applications, properly installed. Based on binder data and ASTM G154 UV testing.

Maintenance interval

Low

No crack sealing, no joint maintenance. Periodic debris clearing only.

Surface repairability

Patchable

Saw-cut, remove, and repour damaged sections. Aggregate blends maintained for consistency.

UV / weathering

Stabilized

UV-stabilized binder tested to ASTM G154. Surface lightens over time — structural performance holds.

Rubber-bound aggregate surfaces have 20+ years of field history. Our 15–20 year projection is grounded in that record and our binder performance data. ASTM reports in spec pack →

How to read our claims

Stormwater / LID / MS4

Flexus is engineered to function as a permeable pavement BMP. Acceptance is determined project-by-project by the local reviewing authority — not pre-approved by any regulatory body.

LEED

Flexus can contribute to LEED credits under Sustainable Sites and Materials & Resources. Credits are earned at the project level — no product is LEED certified on its own.

ADA

Flexus is slip-tested (ASTM E303) and designed for accessible pedestrian routes. Full compliance depends on installation, slope, and continuity — confirmed by the specifier and contractor.