

Armstrong Flooring FlexStrong 1-Quart Mushroom Acrylic Premix Grout
FlexStrong Premixed Acrylic Grout, 1-Quart (Mushroom)
Ready-to-use sanded acrylic grout designed for uniform color and flexible performance. Ideal for indoor vinyl flooring and tile joints, it resists stains and doesn’t require sealing.
Key Features:
- Premixed Convenience: No mixing required—use straight from the tub for faster, cleaner installs
- Flexible, Crack-Resistant: Formulation helps accommodate slight floor movement to minimize cracking
- Color Consistency: Uniform mushroom shade across the floor for a professional finish
- Low Maintenance: Stain-resistant and no sealing required for easier care
- Versatile Joint Sizes: Suitable for 1/16-in to 1/4-in grout joints; indoor use
Specifications Table:
| Specification | Details |
|---|---|
| Series Name | FlexStrong |
| Type | Acrylic premix, sanded |
| Color/Finish Family | Gray |
| Manufacturer Color/Finish | Mushroom |
| Maximum Coverage Area | 270 sq ft |
| Unit of Measure | Quart(s) |
| Unit of Measure Quantity | 1 |
| 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 |
| Sanded/Unsanded | Sanded |
| Sealing Required | No |
| Stain Resistant | Yes (no additive required) |
| Joint Widths | 1/16-in, 1/8-in, 3/16-in, 1/4-in |
| CA Residents: Prop 65 Warning(s) | Yes |
| Warranty | None |
| UNSPSC | 30111500 |
Frequently Asked Questions (FAQ):
Q: Is this grout ready to use?
A: Yes, it’s a premixed acrylic grout—no mixing required.
Q: Do I need to seal it after installation?
A: No sealing is required.
Q: What joint sizes can it be used for?
A: Compatible with 1/16-in, 1/8-in, 3/16-in, and 1/4-in joints.
Q: Where can it be used?
A: Indoor applications including bathroom floors/walls and kitchen backsplashes; not for showers, pools, patios, or garages.
Q: How soon can the floor be used?
A: Ready for light traffic in 24 hours.
A Seamless, Sophisticated Finish in Mushroom
FlexStrong’s velvety mushroom tone brings a refined, cohesive backdrop that elevates both classic and modern surfaces. The premixed acrylic formula delivers crisp lines and a smooth, sanded texture that feels tailored and intentional. Pair it with cool stone or matte porcelain to highlight pattern while keeping the palette serene. It’s the quiet luxury detail that completes a polished, high-performance space.
Choose FlexStrong Mushroom today for a clean, consistent grout line that’s ready to perform—no mixing, no sealing, less hassle.
Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
FlexStrong Premixed Acrylic Grout, 1-Quart (Mushroom)
Ready-to-use sanded acrylic grout designed for uniform color and flexible performance. Ideal for indoor vinyl flooring and tile joints, it resists stains and doesn’t require sealing.
Key Features:
- Premixed Convenience: No mixing required—use straight from the tub for faster, cleaner installs
- Flexible, Crack-Resistant: Formulation helps accommodate slight floor movement to minimize cracking
- Color Consistency: Uniform mushroom shade across the floor for a professional finish
- Low Maintenance: Stain-resistant and no sealing required for easier care
- Versatile Joint Sizes: Suitable for 1/16-in to 1/4-in grout joints; indoor use
Specifications Table:
| Specification | Details |
|---|---|
| Series Name | FlexStrong |
| Type | Acrylic premix, sanded |
| Color/Finish Family | Gray |
| Manufacturer Color/Finish | Mushroom |
| Maximum Coverage Area | 270 sq ft |
| Unit of Measure | Quart(s) |
| Unit of Measure Quantity | 1 |
| 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 |
| Sanded/Unsanded | Sanded |
| Sealing Required | No |
| Stain Resistant | Yes (no additive required) |
| Joint Widths | 1/16-in, 1/8-in, 3/16-in, 1/4-in |
| CA Residents: Prop 65 Warning(s) | Yes |
| Warranty | None |
| UNSPSC | 30111500 |
Frequently Asked Questions (FAQ):
Q: Is this grout ready to use?
A: Yes, it’s a premixed acrylic grout—no mixing required.
Q: Do I need to seal it after installation?
A: No sealing is required.
Q: What joint sizes can it be used for?
A: Compatible with 1/16-in, 1/8-in, 3/16-in, and 1/4-in joints.
Q: Where can it be used?
A: Indoor applications including bathroom floors/walls and kitchen backsplashes; not for showers, pools, patios, or garages.
Q: How soon can the floor be used?
A: Ready for light traffic in 24 hours.
A Seamless, Sophisticated Finish in Mushroom
FlexStrong’s velvety mushroom tone brings a refined, cohesive backdrop that elevates both classic and modern surfaces. The premixed acrylic formula delivers crisp lines and a smooth, sanded texture that feels tailored and intentional. Pair it with cool stone or matte porcelain to highlight pattern while keeping the palette serene. It’s the quiet luxury detail that completes a polished, high-performance space.
Choose FlexStrong Mushroom today for a clean, consistent grout line that’s ready to perform—no mixing, no sealing, less hassle.















