Armstrong Flooring FlexStrong 1-Quart Gypsum Acrylic Premix Grout

Armstrong Flooring FlexStrong 1-Quart Gypsum Acrylic Premix Grout

Regular price $29.09

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Shipping calculated at checkout.

FlexStrong 1-Quart Gypsum Acrylic Premixed Sanded Grout

Ready-to-use, color-consistent acrylic premix grout designed for resilient and vinyl flooring applications. The sanded, stain-resistant formula minimizes cracking, requires no sealing, and is ideal for indoor installations.


Key Features:

  • Ready-to-Use Convenience: Premixed acrylic grout—no measuring or mixing, less mess.
  • Crack-Resistant Flexibility: Formulated to handle slight floor movement and reduce cracking.
  • Low Maintenance: Stain resistant and requires no sealing for easier upkeep.
  • Versatile Joint Compatibility: Suitable for 1/16-in, 1/8-in, 3/16-in, and 1/4-in joints.
  • Quick Return to Service: Ready for light foot traffic in 24 hours for faster project turnaround.

Specifications Table:

Specification Details
Series Name FlexStrong
Type Acrylic premix
Sanded/Unsanded Sanded
Color/Finish Family Off-white
Manufacturer Color/Finish Gypsum
Unit of Measure Quart(s)
Unit of Measure Quantity 1
Maximum Coverage Area (Sq. Feet) 270
Use Location Indoor
For Use with Bathroom Floors Yes
For Use with Bathroom Walls Yes
For Use with Kitchen Backsplashes Yes
For Use with Kitchen Counters No
For Use with Fireplace Exteriors No
For Use with Garage Floors No
For Use with Garage Walls No
For Use with Patios No
For Use with Pools No
For Use with Shower Floors No
For Use with Shower Walls No
For Use with Vinyl Floors Yes
Freeze Resistant Post Installation No
Mold Resistant Yes
Sealing Required No
Stain Resistant Yes (no additive required)
CA Residents: Prop 65 Warning(s) Yes
Warranty None

Frequently Asked Questions (FAQ):

Q: Is this grout sanded or unsanded?
A: It is a sanded, acrylic premix grout.


Q: Do I need to seal this grout after installation?
A: No sealing is required.


Q: Where can I use it?
A: For interior use only; suitable for bathroom floors and walls, kitchen backsplashes, and vinyl floors. Not for showers, pools, patios, or garages.


Q: What joint sizes does it support?
A: It can be used with 1/16-in, 1/8-in, 3/16-in, and 1/4-in joints.


Q: How soon can the area be used?
A: It’s ready for light traffic in 24 hours.


A chic, low-maintenance grout with quiet sophistication

FlexStrong’s soft Gypsum tone delivers a refined, gallery-like canvas that lets your surfaces sing. Its premixed, sanded acrylic body offers a beautifully consistent color that feels tailored and intentional. Pair it with matte porcelain or luxury vinyl tile to underline clean lines and modern geometry. Consider it an essential finishing touch—effortless, polished, and luxuriously practical.


Finish your project with FlexStrong’s ready-to-use performance—add it to your cart and grout with confidence today.

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