24/Seven® LockSafe® solid GR

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Wearwell products are available through many amazing distributors across North America, including MatsOnLine, MSC, Fastenal, Vallen, Motion Industries, WESCO, Uline, American Floor Mats and RS Hughes. Or, you can purchase Wearwell online by clicking the "Buy Now" button.

You invest a lot of time and money in your matting program. There is a ton of effort that goes into making the right decision, getting the approvals, scheduling the install and getting those mats in place. Choose 24/SEVEN® LockSafe® with a patent pending Positive Interlock System, so you can “lockdown” the mats securely and they stay together. Positive systems lock in: Both male and female connectors have a flange that lock together and provide a secure connection in all directions. Why it matters: They don’t come apart until you want them to! Lift up, roll up and roll away for removal or maintenance.

    Available in 2 different rubber compounds based on environmental exposures:
  • GR- Water or dry debris
  • NBR- Petroleum-based fluids
  • Hidden positive interlocking system
  • Choice of solid, domed or drainage styles
  • Choose GRITSHIELD for increased traction
  • Create your own custom widths or lengths in 12” (30 cm) increments
  • Overall thickness 5/8" (16 mm)

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Have a question? We're here to help!
Putting Together Wearwell Part Numbers
See an example of how Wearwell puts together their part numbers.

SKU Short Description Color Thickness Dimensions Stock Part UOM
577.58x3x3GRBK 24/Seven LockSafe Solid GR, 5/8" thick 3' x 3', black Black 5/8" 3' x 3' Yes EA

Ramps and accessories

SKU Short Description Color Thickness Dimensions Stock Part UOM
Female edging
578.EdgingFGRBK 24/Seven® LockSafe® Female Edging GR, 5/8" x 3" x 36", Black Black 5/8" 3" x 36" Yes EA
578.EdgingFGRYL 24/Seven® LockSafe® Female Edging GR, 5/8" x 3" x 36", Yellow Yellow 5/8" 3" x 36" Yes EA
Male edging
578.EdgingMGRBK 24/Seven® LockSafe® Male Edging GR, 5/8" x 3" x 36", Black Black 5/8" 3" x 36" Yes EA
578.EdgingMGRYL 24/Seven® LockSafe® Male Edging GR, 5/8" x 3" x 36", Yellow Yellow 5/8" 3" x 36" Yes EA
Outside corner
578.CornerGRYL-CS4 24/Seven® LockSafe® Corner Ramp GR, 5/8" x 3" x 3", Yellow Yellow 5/8" 3" x 3" Yes EA
578.CornerGRBK-CS4 24/Seven® LockSafe® Corner Ramp GR, 3" x 3". Black Black 5/8" 3" x 3" Yes EA
Parameters of Category: Specifications - General
Suitable EnvironmentDry
TypeAnti-Fatigue Flooring
Customization LevelC3 - Full Custom (Length, Width, Shape)
Solid or DrainageSolid
CompoundGrease Resistant Natural Rubber
Warranty1 Year
Test Specification & Results
PropertyTest / Result
Flammability MVSS 302 / 'A'; Rating
Taber Abrasion Federal Standard 191 Modified / 1% loss
Temperature Range 10 to 140 F
Coefficient of Friction ASTM F1677 / Dry: COF = .84 / Wet COF = .45
Compression Deflection Not Available
Tear Strength Not Available
ESD Rating Not Available
Dielectric Strength Not Available


  • A = Performs well
  • B = Slightly affected
  • C = Moderately affected
  • D = Highly affected
  • U = Not recommended
  • NT = Not tested
Chemical Urethane Nitrile PVC CFR SBR Natural Rubber
Acetone U U U C C C
Animal Fats NT A C U U U
Bleach Solution (10% Dilute) NT B B C C C
Boric Acid B A A A A A
Brake Fluid U A B D D D
Brake Fluid (Silicone Based) U A B A B B
Chlorine Solution (3% Dilute) C A B C C C
Citric Acid NT A C C C U
Cutting Fluid (Mineral Oil Based) U B B B C D
Diesel Oil U A B U U U
Ethylene Acetate NT U NT U U U
Ethylene Glycol B A A A A A
Hydraulic Oil (Petroleum) U A B D D D
Hydrochloric Acid Cole (37% Dilute) U C C B B B
Isopropyl Alcohol A B A B B A
Lacquer Solvents U U U U U U
Lindol (Hydraulic Fluid) NT U NT U U U
Mineral Oil C A B A B U
Naptha NT C U U U U
Napthlene U U U U U U
Petroleum U C B D D D
Salt Water A A B B B C
Tolulene U U U U U U
Transmission Fluid (Type A) U B A C U U
Trichloroethane U U U U U U
Vegetable Oil C A B C C C
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Q: What does GR stand for?

A: GR stands for Grease Resistant.

Q: What types of fluids is the GR compound resistant to?

A: The GR compound is best suited for areas with water and dry debris. It is also resistant to boric acid & ethylene glycol.

Q: What does NBR stand for?

A: NBR stands for Nitrile Rubber.

Q: What types of fluids is the NBR compound resistant to?

A: The NBR compound is resistant to silicone-based brake fluid, boric acid, ethylene glycol, animal fats, brake fluid, chlorine solution, diesel oil, petroleum-based hydraulic oil, salt water and vegetable oil.

Q: Is there edging available?

A: Yes, 3" edging is available in both yellow and black for 24/Seven LockSafe. Edging comes in both male and female to correspond with the male or female side of the mat. Edging comes in 3" wide by 36" long strips.

Q: Can 24/Seven LockSafe mats be exposed to liquids?

A: Yes, 24/Seven LockSafe mats can be placed in both wet and dry environments.

Q: How do I clean 24/Seven LockSafe?

A: Use a high-pressure hose (not to exceed 500 psi) and hot water (max 160o F) to rid the mats of oils. For best results use a mild soap or detergent with a pH between 4 and 9, to clean the mats. Do not use steam (unless specifically recommended), degreasers, or caustic chemicals. Do not machine wash or mechanically scrub the mats.

Q: Can you customize a mat to my specific requirements?

A: Yes we can. We offer 3 types of customization:

  • C1- Custom lengths
  • C2- Custom lengths and widths
  • C3- Fully custom (size & shape)

  • The level of customization by product is on the details tab at the bottom of every product page.

    Q: Are the colors shown on your website the exact color I should expect to receive?

    A: No, because monitors vary so there may be a slight variance in the color. If color choice is critical, we suggest that you order a sample. Due to manufacturing processes and material dye lots, color can vary, but our products fall within an industry-standard acceptable variation.

    Q: Do 24/Seven LockSafe mats pose a tripping hazard?

    A: 24/Seven LockSafe mats are available with 3" edging in yellow and black. The ramps allow for a smooth transition on and off the mat. The mats lock together with a patented interlock so they do not come apart, preventing the possiblity of a tripping hazard.

    Q: Do your rubber mats smell?

    A: Yes! Unfortunately, that rubbery smell is a feature of any rubber product. The mat should lose that smell over time. If you are planning to install rubber mats or flooring in any enclosed space, please remember that this can slow the dissipation of a strong rubber scent.