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Description
Armstrong Flooring FlexStrong 1-Quart Mushroom Acrylic Premix GroutFlexStrong 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 doesnt require sealing. Key Features: Premixed Convenience: No mixing requireduse straight from the tub for faster, cleaner installs Flexible, Crack Resistant: Formulation helps accommodate slight floor movement to minimize cracking Color
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.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
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4.2 ★★★★★
Based on 9 reviews
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Product Reviews
★★★★★ 5
A revelatory book with the fingerprint of The Holy Spirit!
Format: Paperback
I have other books by Dr. Mark Chironna and as usual this book did not disappoint. The wealth of insight Dr Chironna has will cause you to get revelation! Outside of the Bible I can not say this about any other authors except for the books I have by Dr Chironna. I get so much revelation that I have to stop reading it to write it down. The Prophetic Integrity is a must read. I believe all Spirit led pastors and leaders in the body of Christ need to read and teach out of this book.
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Reviewed in the United States on June 5, 2026
★★★★★ 5
A pastoral and prophetic epistle to the Western Church
Format: Paperback, Format: Paperback
I was so glad to read this book! Joash Thomas writes with an accessible blend of humor, vulnerability, and incisive observation as he reminds the Western Church of the inheritance of the saints across time and around the world. With pastoral sensitivity and prophetic courage, Joash brings the global heritage of the Church into the spotlight in a kind, clarifying, and convicting way.
The book is structured in three parts: the first clears away some of the roadblocks to considering a justice-oriented lens, the second explores and illuminates the necessary work of decolonizing our doctrine and praxis, and the third invites readers to imagine an alternate path forward. I liked how the book is sprinkled with story-telling—both examples from global church history and story-telling ways churches today are prioritizing justice. I also found his idea for shifting "mission trips" to "vision trips" that see what God is already doing to be very provocative and hopeful. My favorite part of the book was the exposition on the Lord's Prayer.
Each chapter ends with reflection questions, making this a great resource for a church small group or book study.
*** A few of my favorite quotes:
"One of the most beautiful, anti-colonial things about the Table is the way it visibly unifies all of us in Christ, regardless of socioeconomic status, race, gender, or politics. The Table is a rare place on earth where people who have nothing else in common suddenly find themselves reminded of how they hold the most important thing in common with each other, which is being united by the body and blood of Christ. The colonizer's gospel divides to conquer, but the gospel of Christ unites to heal. In a Western church that is highly divided on issues of theology, race, politics, and socioeconomics, the Table can be a physical place of healing and unification. Unless we learn to receive the body of Christ with our enemies at the Table (which requires allowing our theological and political enemies to participate at the Table with us), we will never know what it looks like to become the body of Christ for this broke world in need of healing." pg. 89
"Many Western Christians today are uncomfortable (and in many cases, even made fearful) by the idea of Christians living at peace and in the minority in a highly pluralistic society, even though this has been the reality for the vast majority of non-Western Christians around the world." pg. 109
"When we start prayer acknowledging that we're children of this heavenly Father, we are reminded that we are a part of a cosmic order much bigger than ourselves...When we ask God to give us our daily bread, we are asking God to give ALL his children their daily bread...God still takes the side of people in poverty and oppression because they have no one else who can advocate on their behalf. God's preferential option for the poor is not because of the goodness of people in poverty; it is because of the goodness of God." pg. 137-139
"In situations like this, we must set aside our desire for success (in this case, transforming the entire political climate of a nation) and prioritize faithfulness (doing what we can with what we have), even if this means we have to operate from the margins." pg. 158
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Reviewed in the United States on November 19, 2025
★★★★★ 5
Thoughtful, Challenging, Research-Based, and Compelling: Joash P. Thomas' "The Justice of Jesus"
Format: Paperback
I cannot recommend this book enough! Especially for Christian's actively involved in a church community. In The Justice of Jesus, Joash offers a compelling and challenging vision of what authentic, Christ-centered justice truly looks like. What I loved most about this book is how directly Joash engages with the reader to reflect on what justice means, what it looks like, and why that can sometimes be an uncomfortable topic, especially for White, Western Christians like myself; and Joash masterfully addresses the topic in a way that's sensitive yet direct and firm, allowing readers from all backgrounds to thoughtfully consider his argument without feeling targeted or turned off.
I also really appreciate the quality of his evidence and argument, especially as it relates to anecdotal experience. He provides countless examples of Church communities engaged in the work of justice Jesus' way.
There is so much I wish I could dive deeper into, but one of the key takeaways from this book that I appreciate is that, as hard and uncomfortable it can be to acknowledge, Christian's in the West (especially white) are deeply privileged and carry with them a colonized theology that's more often led to harm, oppression, and violence than it has to love, peace, and brotherhood. We've over emphasized the salvation of souls to the detriment of care for physical bodies, perfectly content to keep people in bondage so long as they say some magic words or profess belief. Joash rightly challenges this, calling on Western Christian's to 1) acknowledge their privilege and history of colonial conquest, 2) hold freedom of the body just as highly as salvation of the soul, 3) prioritize unity as beloved children of God over theological/liturgical differences, and 4) do the hard work necessary to address the harm our past has done (a task for which Joash provides many examples/suggestions) as we move forward as the Body of our Lord.
Joash includes thoughtful reflection questions at the end of each chapter, making this the perfect book for a book group or study. I recommended it to the pastor of my church and look forward to engaging with it even more!
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Reviewed in the United States on February 2, 2026
★★★★★ 5
Profoundly helpful!
Format: Paperback
I lead book studies centered on social justice and Joash’s work is powerful and refreshing! Fresh perspectives, practical tips, & convicting truths rooted in the Good News of Jesus. Each member of the study has said again and again how good this book has been! Thank you Joash!
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Reviewed in the United States on May 24, 2026
★★★★★ 5
Worthwhile read.
Format: Kindle
The first few chapters would perhaps been worth 10 stars the remaining chapters not so much although it was good information. It became a bit monotonous but all in all it’s still a five star book.
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Reviewed in the United States on April 28, 2026