
Shipping Estimate
USA
- USA
- CAN
- USA
- CAN
Ships within 48 hours · Estimated delivery Jul 7 - Jul 12
For Your Every Summer RSVP, with Code: SUMMER15
Description
Armstrong Flooring FlexStrong 1-Gallon Shale Acrylic Premix GroutUniform color, consistent color throughout the floor Flexibility, minimizes cracking with slight movements in the floor Premixed formula, no mixing required, can be used right away, less mess Stain resistant No sealing required Ready for light traffic in 24 hours Use for 1 16 in, 1 8 in, 3 16 in and 1 4 in joint widths Interior use only Available in quart size also Features Manufacturer Color Finish Shale Warranty None Series Name FlexStrong Unit of
Uniform color, consistent color throughout the floor Flexibility, minimizes cracking with slight movements in the floor Premixed formula, no mixing required, can be used right away, less mess Stain resistant No sealing required Ready for light traffic in 24 hours Use for 1/16-in, 1/8-in, 3/16-in and 1/4-in joint widths Interior use only Available in quart size alsoFeatures
| Manufacturer Color/Finish | Shale |
| Warranty | None |
| Series Name | FlexStrong™ |
| Unit of Measure | Gallon(s) |
| Unit of Measure Quantity | 1 |
| Stain Resistant | Yes (no additive required) |
| Freeze Resistant Post Installation | No |
| Color/Finish Family | Black |
| For Use with Garage Walls | No |
| For Use with Shower Walls | No |
| UNSPSC | 30111500 |
| Use Location | Indoor |
| For Use with Bathroom Walls | Yes |
| CA Residents: Prop 65 Warning(s) | Yes |
| For Use with Shower Floors | No |
| For Use with Kitchen Backsplashes | Yes |
| For Use with Kitchen Counters | No |
| For Use with Bathroom Floors | Yes |
| For Use with Patios | No |
| Type | Acrylic Premix |
| For Use with Pools | No |
| For Use with Fireplace Exteriors | No |
| For Use with Garage Floors | No |
| For Use with Vinyl Floors | Yes |
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
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]
- Please click here for more details>>> Return & Exchange Policy
4.4 ★★★★★
Based on 538 reviews
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Product Reviews
★★★★★ 5
Well Made Tools!
I have been installing Kilmat in my early 74 Datsun 260Z restoration and these tools are very nice for the price. I like them because they actually have ball bearings and move smoothly over the matting. The size selection is very handy as well and even has some nice finished wooden handles.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 9, 2026
★★★★★ 5
Perfect applicators tool
Tool worked great. Bonds sound proofing to metal perfectly.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 9, 2026
★★★★★ 5
Must have
These things a freaking AWESOME!
If you're doing a big sound deadner job, you need thees! The 3 different sizes are perfect for the different shapes in the floor pans. Well built, good quality and they have a nice weight to them. Just buy them and thank me later. For $15.00 you can't go wrong.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 12, 2026
★★★★★ 5
Convenient Credit Card
This is an effortless and convenient way to purchase Amazon products. Unfortunately I am on it almost daily so the cash back feature is a plus.
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Reviewed in the United States on June 10, 2026
★★★★★ 1
The worst banking experience
Stay away from this card if you want to keep your sanity, they had a welcome offer of $750 that they refused to honor, if you call customer service you will be on hold for 2 hours just for them to transfer the call to someone that doesn't know what they're doing. they still ask you to send them documents by mail or fax to prove you're not lying to them.
I closed their card less than a month after opening it, the worst banking experience of my life.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 10, 2026
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