Slip Resistance Test Report that applies to the slip-resistant floor texture pattern used on all 1050 and 1051 Series Gruber Shower Pan molds and Universal Shower Ramp.

A test sample was submitted to an authorized test lab for slip resistance testing. These are the results of that testing:

Testing Lab:
SGS U.S. Testing Company, Inc.
1341 North 108th East Avenue
Tulsa, OK 74116
Report Number: 146695-1 Report Date: 10/6/00

Report of Test

Slip Resistance Evaluation
Sample ID:
One Cultured Marble model 1051-06 36 x 36 shower pan was received from the client on 9/20/00. The unit was received in good condition.
The unit was evaluated in accordance with ASTM F 462-1994. No revisions to this report will be allowed after 90 days of the report date.
See below
Date Tested:
The unit does comply with the requirements of ASTM F 462-1994
The tests reported here were conducted under the continuous, direct supervision of SGS U.S. Testing Company Inc., Tulsa, OK

Coefficient of Friction data:

Summary: Measured values of textured surface zones ranged from 0.11 - 0.16:
Measurement Zone:
Co-efficient of Friction:


Least Co-efficient of Friction: 0.11 in Zone 1 (0.04 minimum)
Pattern Coverage: A 1.5 inch x 3 inch template located anywhere on the bathing surface does cover a textured area.
Texture Description: Rough Texture
End of Report

Mold Selection Considerations

Before you Order a Mold:

  • Mold Construction Choice (Metamold or Vinyl Ester) - All molds can be ordered in our premium Metamold gelcoat, or more affordable Vinyl Ester gelcoat finishes. To order as Metamold, add an M to the end of the order numbers provided. To order as a Vinyl Ester version, add a V to the end of the number.

  • Female Mold Options - Most molds require a female mold or mold alternative. Learn about the types and differences here.

  • Mold Break-in Instructions - Marshall-Gruber molds are preconditioned for your convenience. Learn how you should break in your new Marshall-Gruber Mold.

  • Mold Track Option - Order your Marshall-Gruber mold with Mold Track to easily move your molds through your production line

Related Products and Options - Shower Pans

Universal Shower Pans - Produce any number of different size and shape shower pan castings from a single "universal" mold.

Thresholds - add a threshold to our 1051 Universal Shower Pan with these threshold molds.

Universal Shower Ramps - The combination of a universal shower pan and universal ramp offer a versatile combination compared to the 1052 Access Shower Pan series.

Shower Seats - add a seat to a Universal Shower Pan installation, or for other applications.

Bathroom Accessory Molds - Hundreds of accessory molds that complement our shower pans and universal shower pan mold products. Explore them!

Mold Track - add mold track to your universal mold to more easily move it around on an existing conveyor system.


Female Mold Types - Learn which female mold type is right for your needs.

Metamold or Vinyl Ester Construction? - which mold construction method is right for you? Compare the pros and cons here.

New Mold Break-In Instructions - learn how to properly break-in your new mold for maximum mold longevity.

Shower Pan Slip Resistance Testing Results (applies to the 1050 and 1051 Series Marshall-Gruber Shower Pan molds)