Schluter TREP-B Aluminum Anti-Slip Stair Nosing Profiles

TREP-B Aluminum Anti-Slip Stair Nosing Profiles by Schluter Systems


Available Accessories

Replacement Thermoplastic Rubber Insert for Schluter TREP-B

  • Additional replacement/backup thermoplastic rubber insert.
  • Forms the visible surface of TREP-B
  • Available in 5 colors and lengths of 2.5 m (8' 2-1/2"), 3 m (10') and 15 m (50')


End Cap for Schluter TREP-B

  • End Cap for TREP-B
  • Available in 5 colors and lengths of 2.5 m (8' 2-1/2"), 3 m (10') and 15 m (50')


Total: $71.02

Schluter TREP-B Aluminum Anti-Slip Stair Nosing Profiles with Thermoplastic Rubber Insert

  • Protects tiled stair edges and provides and easily visible, visually appealing, slip-resistant, 52 mm (2-1/16") wide stair nosing wear surface.
  • 2.5 m (8' 2-1/2") or 1.5 m (4' 11") Length.
  • Aluminum support section, thermoplastic rubber insert; For tile 8, 10, 12.5, 15 or 25 mm (5/16", 3/8", 1/2", 9/16" and 1") thick.

Application and Function

Schluter-TREP-B is designed to protect tiled stair edges and provide an easily visible, slip-resistant wear surface for durable, safe, and visually appealing stair-nosing design. It is suitable for use in areas subjected to heavy foot-traffic, such as offices or public buildings.

The profiles feature a trapezoid-perforated anchoring leg made of aluminum, which is secured in the mortar bond coat beneath the tile an supports a slip-resistant thermoplastic rubber wear surface.

The tread surface of Schluter-TREP-B is available in a variety of colors and can be replaced in case of damage or wear.

Schluter-TREP-B features a 2-1/8" (52 mm) wide wear surface, easily allowing the designer to produce stairs with the first and the last step marked by a 2" (50 mm) wide strip in a contrasting color to increase visibility and safety.

The tread surface meets or exceeds the static coefficient of friction recommendation in the Americans with Disabilities Act (ADA), for use in applications where the risk of slipping exists (United States Testing Company, test method ASTM C1028, 0.6 wet, 0.8 dry).

The leading edges of TREP-B have a 5/16" (8 mm) radius. Matching end caps are available.

Available Sizes and Materials

*To complete the item number, add the color code (e.g., CG 10S/150)

TREP-B Aluminum support with thermoplastic rubber insert
L = Profile Length H - Tile thickness
8 mm - 5/16" 10 mm - 3/8" 12.5 mm - 1/2" 15 mm - 9/16" 25 mm - 1"
2.5 m - 8' 2-1/2"


+ 8B


+ 10B


+ 12B


+ 15B


+ 25B
1.50 m - 4' 11"


+ 8B/150


+ 10B/150


+ 12B/150


+ 15B/150


+ 25B/150
Aluminum support section ONLY
2.5 m - 8' 2-1/2" TAB8 TAB10 TAB12 TAB15 TAB25
1.50 m - 4' 11" TAB8/150 TAB10/150 TAB12/150 TAB15/150 TAB25/150
Replacement thermoplastic rubber insert
2.5 m - 8' 2-1/2" PEA52/ +


3 m - 10' PEA52/ +


15 m - 50' PEA52/ +


End Cap
E52/ +



  1. Select Schluter-TREP-B according to tile thickness.
  2. Install riser tile flush with the stair tread surface.
  3. Apply thin-set mortar along edge area above riser.
  4. Fill cavities on the underside of the profile with thin-set mortar.
  5. Press the trapezoid-perforated anchoring leg of the profile into the thin-set mortar, making sure the front edge of the profile is aligned flush with the riser tile. Full coverage must be obtained at the edge area to ensure support of the profile.
  6. Trowel additional thin-set mortar over the anchoring leg and the stair tread surface to ensure full coverage and support of the tile edges.
  7. Solidly embed the tread tiles so that the tiled surface is flush with the top of the profile.
  8. A joint of approx. 1/16" - 1/8" (1.5 mm - 3 mm) should be left between the tile and the profile.
  9. Fill joint completely with grout or setting material.


Schluter-TREP-B has an aluminum support section.

In special cases, the suitability of a proposed type of material must be verified based on the anticipated chemical, mechanical, and/or other stresses.

Aluminum must be tested to verify suitability if chemical stresses are anticipated. Cementitious materials, in conjunction with moisture, become alkaline. Since aluminum is sensitive to alkaline substances, exposure to the alkali (depending on the concentration and duration of exposure) may result in corrosion (aluminum hydroxide formation). Therefore, it is important to remove mortar or grout residue from visible surfaces. In addition, ensure that the profile is solidly embedded in the setting material and that all cavities are filled to prevent the collection of alkaline water.

Thermoplastic rubber inserts are highly resistant to chemicals and can withstand chemical stresses typically encountered in tile coverings. Thermoplastic elastomers can be connected by welding if profiles are joined to produce longer lengths.


Schluter-TREP-B requires no special maintenance and are resistant to mold and fungi. Clean profiles using common household cleaning agents.

Oxidation films on exposed aluminum can be removed by using a conventional polishing agent, but will form again.

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