

Armstrong Flooring FlexStrong 1-Gallon Shale Acrylic Premix Grout
FlexStrong Shale Acrylic Premix Grout, 1 Gallon
Ready-to-use sanded acrylic grout engineered for uniform color and crack-resistant performance. Ideal for indoor vinyl and tile installations, this premixed formula needs no sealing and cleans up easily.
Key Features:
- Premixed Convenience: No mixing required—use straight from the pail for faster, cleaner installs
- Crack-Resistant Flexibility: Formulated to minimize cracking with slight floor movement
- Uniform Color: Consistent color throughout the floor for a professional finish
- Low Maintenance: Stain resistant and no sealing required
- Versatile Joint Sizes: Suitable for 1/16-in to 1/4-in grout joint widths
Specifications Table:
| Specification | Details |
|---|---|
| Color/Finish Family | Black |
| Manufacturer Color/Finish | Shale |
| Series Name | FlexStrong |
| Type | Acrylic premix |
| Sanded/Unsanded | Sanded |
| Unit of Measure | Gallon(s) |
| Unit of Measure Quantity | 1 |
| Maximum Coverage Area (Sq. Feet) | 1080 |
| 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 |
| UNSPSC | 30111500 |
| Joint Width Compatibility | 1/16-in, 1/8-in, 3/16-in, 1/4-in |
Frequently Asked Questions (FAQ):
Q: Is sealing required after installation?
A: No. This grout is designed to be stain resistant and does not require sealing.
Q: How soon can the floor be used?
A: It’s ready for light traffic after 24 hours; allow additional cure time before heavy use.
Q: What joint widths does it support?
A: Use with 1/16-in, 1/8-in, 3/16-in, and 1/4-in joints.
Q: Where can I use it?
A: For indoor applications only, including bathroom floors and walls, kitchen backsplashes, and vinyl floors.
Q: Is mixing necessary?
A: No. It’s a premixed sanded acrylic grout—open and apply.
A sleek, modern grout that elevates every edge
FlexStrong in Shale frames surfaces with a deep, refined tone, bringing a tailored calm to contemporary rooms. The smooth, uniform color creates crisp lines that make tile patterns feel deliberate and elevated. Pair it with matte porcelain or luxury vinyl tile for a chic, gallery-quality finish. It’s a quiet luxury essential that perfects the details with effortless polish.
Upgrade your install with FlexStrong—the ready-to-use grout that delivers a flawless, durable finish.
Original: $78.38
-70%$78.38
$23.51Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
FlexStrong Shale Acrylic Premix Grout, 1 Gallon
Ready-to-use sanded acrylic grout engineered for uniform color and crack-resistant performance. Ideal for indoor vinyl and tile installations, this premixed formula needs no sealing and cleans up easily.
Key Features:
- Premixed Convenience: No mixing required—use straight from the pail for faster, cleaner installs
- Crack-Resistant Flexibility: Formulated to minimize cracking with slight floor movement
- Uniform Color: Consistent color throughout the floor for a professional finish
- Low Maintenance: Stain resistant and no sealing required
- Versatile Joint Sizes: Suitable for 1/16-in to 1/4-in grout joint widths
Specifications Table:
| Specification | Details |
|---|---|
| Color/Finish Family | Black |
| Manufacturer Color/Finish | Shale |
| Series Name | FlexStrong |
| Type | Acrylic premix |
| Sanded/Unsanded | Sanded |
| Unit of Measure | Gallon(s) |
| Unit of Measure Quantity | 1 |
| Maximum Coverage Area (Sq. Feet) | 1080 |
| 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 |
| UNSPSC | 30111500 |
| Joint Width Compatibility | 1/16-in, 1/8-in, 3/16-in, 1/4-in |
Frequently Asked Questions (FAQ):
Q: Is sealing required after installation?
A: No. This grout is designed to be stain resistant and does not require sealing.
Q: How soon can the floor be used?
A: It’s ready for light traffic after 24 hours; allow additional cure time before heavy use.
Q: What joint widths does it support?
A: Use with 1/16-in, 1/8-in, 3/16-in, and 1/4-in joints.
Q: Where can I use it?
A: For indoor applications only, including bathroom floors and walls, kitchen backsplashes, and vinyl floors.
Q: Is mixing necessary?
A: No. It’s a premixed sanded acrylic grout—open and apply.
A sleek, modern grout that elevates every edge
FlexStrong in Shale frames surfaces with a deep, refined tone, bringing a tailored calm to contemporary rooms. The smooth, uniform color creates crisp lines that make tile patterns feel deliberate and elevated. Pair it with matte porcelain or luxury vinyl tile for a chic, gallery-quality finish. It’s a quiet luxury essential that perfects the details with effortless polish.
Upgrade your install with FlexStrong—the ready-to-use grout that delivers a flawless, durable finish.















