Schluter RONDEC-CT Anodized Aluminum Double-rail Edging Profile

RONDEC-CT Anodized Aluminum Double-rail Edging Profile by Schluter Systems


Available Accessories

Outside Corner for Schluter RONDEC-CT


Inside Corner for Schluter RONDEC-CT


Total: $47.67

Schluter RONDEC-CT Anodized Aluminum Double-rail Edging Profile for Countertops

  • Double-rail edging profile for countertops to be fitted with a ceramic or dimension stone tile covering.
  • 2.5 m (8' 2-1/2") length; For tile 8, 10, 12.5 mm (5/16", 3/8", 1/2") thick
  • 8 finishes available.

Application and Function

Schluter-RONDEC-CT is a double-rail edging profile for countertops to be fitted with a ceramic or dimension stone tile covering.

The profile features a trapezoid-perforated anchoring leg that is secured in the mortar bond coat beneath the tile, while the face of the profile features a recessed section with dovetailed grooves to which field or accent tile is bonded.

The top and bottom edges of the profile are symmetrically rounded 1/4" (6 mm radius) and match the RONDEC profile. The 1-9/16" (39 mm) vertical leg of the profile hides the exposed edge of the sub-assembly.

The integrated joint spacer establishes a defined joint cavity between the tile and the profile. The profile is available in anodized aluminum and Tuscan color-coated aluminum with various surface finishes to allow for decorative design and interesting accents.

Matching inside and outside corners are available.

Available Sizes and Materials

RONDEC-CT Double-Rail Edging Profile
Anodized Aluminum Finish H = Tile thickness Item No.
Profile Outside corner, 90° Outside corner, 135° Inside corner, 90° Inside corner, 135°
Satin (AE) 8mm-5/16" RC80AE39 E90RC80AE39 E135RC80AE39 I90RC80AE39 I135RC80AE39
10mm-3/8" RC100AE39 E90RC100AE39 E135RC100AE39 I90RC100AE39 I135RC100AE39
12.5mm-1/2" RC125AE39 E90RC125AE39 E135RC125AE39 I90RC125AE39 I135RC125AE39
Brushed chrome (ACGB) 8mm-5/16" RC80ACGB39 E90RC80ACGB39 E135RC80ACGB39 I90RC80ACGB39 I135RC80ACGB39
10mm-3/8" RC100ACGB39 E90RC100ACGB39 E135RC100ACGB39 I90RC100ACGB39 I135RC100ACGB39
12.5mm-1/2" RC125ACGB39 E90RC125ACGB39 E135RC125ACGB39 I90RC125ACGB39 I135RC125ACGB39
Satin nickel (AT) 8mm-5/16" RC80AT39 E90RC80AT39 E135RC80AT39 I90RC80AT39 I135RC80AT39
10mm-3/8" RC100AT39 E90RC100AT39 E135RC100AT39 I90RC100AT39 I135RC100AT39
12.5mm-1/2" RC125AT39 E90RC125AT39 E135RC125AT39 I90RC125AT39 I135RC125AT39
Brushed nickel (ATGB) 8mm-5/16" RC80ATGB39 E90RC80ATGB39 E135RC80ATGB39 I90RC80ATGB39 I135RC80ATGB39
10mm-3/8" RC100ATGB39 E90RC100ATGB39 E135RC100ATGB39 I90RC100ATGB39 I135RC100ATGB39
12.5mm-1/2" RC125ATGB39 E90RC125ATGB39 E135RC125ATGB39 I90RC125ATGB39 I135RC125ATGB39
Satin copper/bronze (AK) 8mm-5/16" RC80AK39 E90RC80AK39 E135RC80AK39 I90RC80AK39 I135RC80AK39
10mm-3/8" RC100AK39 E90RC100AK39 E135RC100AK39 I90RC100AK39 I135RC100AK39
12.5mm-1/2" RC125AK39 E90RC125AK39 E135RC125AK39 I90RC125AK39 I135RC125AK39
Brushed copper/bronze (AKGB) 8mm-5/16" RC80AKGB39 E90RC80AKGB39 E135RC80AKGB39 I90RC80AKGB39 I135RC80AKGB39
10mm-3/8" RC100AKGB39 E90RC100AKGB39 E135RC100AKGB39 I90RC100AKGB39 I135RC100AKGB39
12.5mm-1/2" RC125AKGB39 E90RC125AKGB39 E135RC125AKGB39 I90RC125AKGB39 I135RC125AKGB39
Satin brass (AM) 8mm-5/16" RC80AM39 E90RC80AM39 E135RC80AM39 I90RC80AM39 I135RC80AM39
10mm-3/8" RC100AM39 E90RC100AM39 E135RC100AM39 I90RC100AM39 I135RC100AM39
12.5mm-1/2" RC125AM39 E90RC125AM39 E135RC125AM39 I90RC125AM39 I135RC125AM39
Brushed brass (AMGB) 8mm-5/16" RC80AMGB39 E90RC80AMGB39 E135RC80AMGB39 I90RC80AMGB39 I135RC80AMGB39
10mm-3/8" RC100AMGB39 E90RC100AMGB39 E135RC100AMGB39 I90RC100AMGB39 I135RC100AMGB39
12.5mm-1/2" RC125AMGB39 E90RC125AMGB39 E135RC125AMGB39 I90RC125AMGB39 I135RC125AMGB39


  1. Select Schluter-RONDEC-CT according to tile thickness.
  2. Using a notched trowel, apply thin-set mortar to the area where profile is to be placed.
  3. Press the perforated anchoring leg of the profile into the mortar and align.
  4. Trowel additional thin-set mortar over the perforated anchoring leg to ensure full coverage and support of the tile edges.
  5. Solidly embed the tiles so that the tiled surface is flush with the top of the profile; the profile should not be higher than the tiled surface, but rather up to approx. 1/32" (1 mm) lower.
  6. To set tile along the face of RONDEC-CT, apply thin-set mortar to the back of the tile using a margin trowel. Press the back-buttered tiles into the face of the profile, making sure to force thin-set mortar fully into the dovetailed grooves. The tiled surface should be flush with the outer edge of the profile; the profile should not be higher than the tiled surface, but rather up to approx. 1/32" (1 mm) lower.
  7. Set the tile to the integrated joint spacer, which ensures a uniform joint of 1/16" - 1/8" (1.5 - 3 mm).
  8. Fill the joint completely with grout or setting material.
  9. Work with materials and tools that will not scratch or damage sensitive surfaces. Setting materials and grouts must be removed immediately, especially from anodized aluminum surfaces.


Schluter-RONDEC-CT is available in anodized aluminum.

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

Schluter-RONDEC-CT, in anodized aluminum, features an anodized layer that retains a uniform appearance during normal use. The surface, however, is susceptible to scratching and wear and may be damaged by grout or setting material. Cementitious materials, in conjunction with moisture, become alkaline. Since aluminum is sensitive to alkaline substances, exposure to the alkali (depending on concentration and duration of exposure) may result in corrosion (aluminum oxide formation). Therefore, it is important to remove mortar or grout residue immediately 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.

Anodized aluminum is resistant to mold and bacteria, making the profile suitable for use around food.


Schluter-RONDEC-CT requires no special maintenance or care and is resistant to mold and fungi. Clean the profile using common household cleaning agents. Do not use abrasive cleaning agents.

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