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Ecoglo® F4250 Black Anodized Aluminum Flat Stair Nosing with Yellow Non-Slip Insert – 2.7" Wide

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High-contrast yellow step-edge marking and durable slip resistance for commercial, institutional, and public stairways.

Model F4250 • F4-N20 Series

Ecoglo® F4250 Black Anodized Flat Stair Nosing – Yellow Non-Slip Stair Protection

Improve traction, clearly define stair edges and protect high-traffic steps with a durable black anodized aluminum stair nosing.

The Ecoglo® F4250 Black Anodized Flat Stair Nosing combines a durable 6063-T5 aluminum profile with a high-contrast yellow silicon carbide non-slip insert. The black anodized finish creates a hard, attractive and abrasion-resistant surface designed for long-term use in demanding commercial, institutional and public stair environments.

Suitable for installation over concrete, timber, tile, steel, checker plate and thin carpeted stairs, the F4250 provides a practical way to improve stair-edge traction and visibility without replacing the complete stair system.

Product clarification: The F4250 is a non-slip anodized stair nosing with a yellow silicon carbide insert. It is not a photoluminescent stair nosing.
✔ Model F4250
✔ Black Anodized Aluminum
✔ Yellow Non-Slip Insert
✔ Made in USA
Hard-Wearing Slip Resistance

The integrally bonded silicon carbide non-slip insert provides durable traction to help reduce the risk of slips on heavily travelled stairways.

High-Contrast Step Edge

The yellow insert contrasts with the black anodized profile, helping users identify the leading edge of each stair and supporting safer foot placement.

Durable Anodized Finish

The thick anodized coating creates a hard, attractive and abrasion-resistant surface that helps protect the aluminum against corrosion and everyday wear.

Designed for High-Traffic Use

The non-slip material is permanently bonded to the anodized aluminum substrate for dependable performance in commercial, institutional and public environments.

Ecoglo® F4250 Product Configuration

The F4250 configuration combines a black anodized aluminum profile with a contrasting yellow silicon carbide non-slip insert.

Manufacturer Model
F4250
Product Series
F4-N20
Aluminum Finish
Black Anodized
Insert Colour
Yellow

Recommended Applications

Concrete stairways
Wood and timber stairs
Tile stairways
Steel and checker plate
Thin carpeted stairs
Commercial buildings
Schools, hospitals and offices
Industrial and retrofit projects

Technical Specifications

Manufacturer: Ecoglo
Manufacturer Model: F4250
Product Series: F4-N20
Product Type: Non-slip flat stair nosing
Base Material: 6063-T5 aluminum
Profile Finish: Black anodized
Anodizing Specification: Type 2, Class 1, 20-micron thickness
Non-Slip Surface: Integrally bonded silicon carbide insert
Insert Colour: Yellow
Photoluminescent: No

Dimensions and Ordering

Overall Width: Approximately 2.7 inches or 68 mm
Non-Slip Insert Width: Approximately 1.5 inches or 37.3 mm
Vertical Face: Approximately 1.3 inches or 33.3 mm
Standard Lengths: 8 ft and 10 ft
Custom Lengths: Available with a tolerance of ± 1/8 inch
Insert Supply: Available attached or unattached
On-Site Cutting: Unattached inserts are recommended when the aluminum profile will be cut on site

Installation Information

Install the F4250 using a premium polyurethane adhesive with mechanical fasteners, or adhesive only, depending on the stair substrate and project requirements.

Pre-Drilled Profile
Standard holes are positioned approximately 2 inches from each end and approximately 12 inches apart.
Included Hardware
Stainless steel fasteners and concrete nylon anchors are supplied with the stair nosing.
Attached or Unattached Insert
Choose an unattached insert when the aluminum profile needs to be cut to size on site.

Listings and Performance Testing

Refer to the current Ecoglo F4-N20 manufacturer data sheet for complete listing information, test methods and applicable performance criteria.

✔ UL 1994 and ULC 572 Listed
✔ Slip resistance tested to UL 410
✔ UV exposure tested to ASTM G155
✔ Salt spray resistance tested to ASTM B117
✔ Freeze-thaw resistance tested to ASTM C1026
✔ Anodized coating tested for abrasion and coating performance
✔ Washability and stain resistance tested
✔ Made in USA

Why Specify the Ecoglo® F4250?

High-contrast visibility
The yellow insert creates a strong visual contrast against the black anodized aluminum profile.
Hard, protective surface
The anodized coating creates a durable surface that resists abrasion, staining and everyday wear.
Corrosion-resistant finish
Anodizing helps protect the aluminum profile in demanding indoor and outdoor environments.
Long-term stair protection
The bonded silicon carbide insert and anodized aluminum profile provide durable protection for high-traffic stair edges.

Recyclable Aluminum and LEED Contribution

♻ Aluminum-based and 100% recyclable
♻ Approximately 20% recycled aluminum content
♻ May contribute toward applicable LEED credits
♻ Durable, long-service stair-edge solution

Frequently Asked Questions

What is the Ecoglo F4250?

F4250 is the manufacturer model number for the Ecoglo F4-N20 flat stair nosing with a black anodized aluminum profile and yellow silicon carbide non-slip insert.

Is the F4250 photoluminescent?

No. The F4250 is a non-slip anodized stair nosing with a yellow silicon carbide insert. It does not contain a photoluminescent insert.

What lengths are available?

Standard lengths are 8 ft and 10 ft. Custom cut-to-length sizes are also available with a stated tolerance of ± 1/8 inch.

Can the F4250 be cut on site?

Yes. When profiles will be cut on site, ordering the non-slip insert unattached is recommended. The insert can then be bonded using premium polyurethane adhesive.

Which stair surfaces are compatible?

The F4250 can be installed on concrete, timber, tile, steel, checker plate and thin carpeted stairs.

Specify the Ecoglo® F4250

Select an available length or contact us for custom sizing, project quantities, technical documentation and installation requirements.

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Contractor & Distributor Pricing

Contractors, installers, property managers, and commercial buyers may qualify for special pricing on ComposiGrip™ stair tread covers, anti-slip strips, and safety products.

  • Special pricing for qualifying contractors and distributors
  • Bulk order support for commercial and residential projects
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General Information

Install with premium polyurethane adhesive.

  • Option for mechanical fasteners.
  • Do not use mechanical fasteners when installing outdoors.
  • Available in cut to length sizes. (Tolerance +or- 1/8”) Standard lengths are 8ft and 10ft.
  • Weight: 0.1 lbs/ft.

Engineered for Durability

  • Manufactured using Ecoglo®’s patented process which produces the most durable and highly efficient photoluminescent product available.
  • Unique ridges in the photoluminescent strips protect it from most abrasive wear. They provide slip resistance while still allowing the product to be easily cleaned.
  • The hard-wearing silicon carbide non-slip material is integrally bonded to the aluminum substrate. Thousands of people can walk on it with no signs of wear and tear.

Superior Step Edge Safety

  • The color contrasting the non-slip material with advanced photoluminescent technology provides step edge visibility in all light conditions.
  • The unique ridges in the Ecoglo® photoluminescent strips and the integrated anti-slip contrast strips provide all-weather slip resistance.

Installed Durability:

  • The rigid aluminum base spreads any applied load over a greater area of installation adhesive. Installation with a premium polyurethane adhesive/sealant is extremely durable, moisture resistant, and works very well on both smooth and textured surfaces.

For Indoor Use and Outdoor Use:

  • Tested to accelerated UV/weathering exposure, and proven to be highly resistant to the effects of UV/weathering.
  • The loss in performance is less than can be detected by the human eye when subjected to 6000 hours of UV exposure, which is similar to 30 years of outdoor exposure.
  • The polymer used in Ecoglo’s patented process is “long chain” which forms a strong UV resistant product when bonding.

Environmentally Friendly Photoluminescent Contrast Strip

Need help with your project? Get in touch with us.