








🛡️ Seal cracks like a pro—because your concrete deserves the best!
The RTHIEAI Trial Pack offers three flexible EPDM rubber strips in 1/2", 3/4", and 1" widths, each 100mm long, designed for easy, customizable concrete crack repair. Weather and aging resistant, these strips provide a durable, professional-grade expansion joint filler solution for driveways, sidewalks, and other concrete surfaces. Perfect for testing fit before committing to larger orders, this pack ensures you get the right size and a seamless, long-lasting repair.



| ASIN | B0CDRCXQDS |
| Best Sellers Rank | #330,515 in Home Improvement ( See Top 100 in Home Improvement ) #2,397 in Weather Stripping |
| Brand | RTHIEAI |
| Colour | Gray |
| Item Thickness | 0.5 Inches |
| Item Weight | 110 g |
| Manufacturer | RTHIEAI |
| Material | Rubber |
| Net Quantity | 1.0 Count |
| Number of Items | 3 |
| Package Dimensions | 15.1 x 12 x 2.9 cm; 110 g |
| Recommended Uses For Product | Filling and sealing cracks in concrete surfaces like driveways and sidewalks |
D**M
The only thing that would make this better would be that it came in CEMENT color!!!!! Great product. My handyman was able to install it easily (put a silicone glue - or whatever it was) down first. This joint filler pushed into the line really well and seems substantial. Looks good - except for the color. Works great. Fits just slightly under the driveway height...not on top.
J**H
This product worked perfectly. I ordered the kit of 3 sizes so when I ordered this it was the correct size. Looks great easy to install.
Y**E
So glad I found this product. Much sturdier than the foam backer rod and should last a long time. Very easy to install. Seals the cracks really well, preventing debris and water from getting in between the concrete cracks. Looks good when laid down. Worth the price and highly recommend. As stated, make sure to measure your crack widths, I had to order 2 different sizes for different places.
R**S
Just put these in on my driveway by garage. The old wood slats had rotted away. My neighbor had pros do theirs for a fortune. I did have to buy self leveling filler for the depth but I put these on top and they’ve set in great. All for a 10th the cost of pros doing it. If I didn’t have to fill in with concrete filler it would take only a few minutes. Of course you need the time to do it. Lucky I don’t have to pay myself.
E**K
Love the tri pack option. I thought 3/4" was going to be the right fit, however the 1" fits much better. Thank you for making this an option. The item itself is good quality and will look great once installed.
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