Koro-Trans™ PebbleTread-NM

The innovative design of Koro-Trans PebbleTread provides exceptional traction characteristics and sets the highest performance standard for school bus safety.

Long service life, superior drainage & cleanability, and flame resistance make PebbleTread the ideal choice.

NM = “non-metallic”

PebbleTread-NM Steps

Koro-Trans™ One-Piece Floors

Koro-Trans One-Piece Flooring is designed to meet the demands of today’s transit applications.

With One-Piece Flooring, installation is simple! It eliminates the need for aisle trim providing a more attractive appearance. Once installed, it is virtually impervious to moisture penetration.

One-Piece Floors Brochure

Astra Flor

The Astra Flor™ System is suited for all types of bus applications. The metal flake texture will enhance any vehicle interior.

Choose the flooring weight that suits your requirement: 1.8mm, 2.2mm, or 3.0mm

Astra Flor™ options include all smooth, or smooth/rib full width one piece construction. Combine with our Nosings and Step Treads to complete the system.

Astra Flor Brochure


Typical Specifications for PebbleTread-NM

Step treads shall be manufactured to OEM Color and dimensional specifications using abrasion resistant Koro-Trans thermoplastic compounds in an offset raised pebble pattern.

Nominal pebble dimensions shall be: 0.250″ diameter and 0.125″ in height.

Nominal pebble spacing shall be 0.680″ center to center. The pebble pattern shall be in rows, with each row offset 0.340″ from the preceding row.

Step Treads shall have an integral bright white nosing with an impact resistant rigid polymer wear-guard on the leading edge. Tread and nosing shall be fused forming a seamless joint and shall be permanently bonded to non-metallic (NM) Koro-Trans polymer step backing.

The step tread shall be certified by the manufacturer to meet the above specifications and to have completed 24-months of in-service testing without a failure.



KORO-TRANS™ FLOORING: Adhesive Recommendations

Hydra FAST-EN® 20760

Hydra-FAST-EN is a registered trademark of Royal Adhesives & Sealants, LLC

Silaprene® M6230

Silaprene is a registered trademark of Royal Adhesives & Sealants, LLC



Flame Resistance: Koro-Trans™ vs the Import
Construction: Koro-Trans™ vs the Import
Abrasion: Koro-Trans™ vs the Import
Impact Resistance: Koro-Trans™ vs the Import
Rapid Fire SMI Step Tread Failures