KMOSENIA Concrete Crack Filler, 4 Pack, 5.02 LB Self-Leveling Sealant, Gray

The KMOSENIA Concrete Crack Filler kit provides a straightforward way to seal damaged flat masonry without hauling out heavy equipment. Packed into four separate 1.25 lb squeeze pouches (5.02 lb total), this repair kit allows homeowners to tackle small to medium repairs without opening an entire bulk container at once. It addresses unsightly gaps in horizontal concrete, keeping moisture from penetrating surfaces before seasonal weather can cause further harm.

Application requires no caulking gun or mixing tools. After cleaning loose debris from a dry crack, you attach one of the four included screw-on capped nozzles, snip the tip to your desired bead width, squeeze the sealant into the joint, and smooth it with an included scraper. Because the formula is self-leveling, it naturally flows into narrow surface gaps and small cracks, cutting down on the effort needed to achieve an even finish. The kit also includes eight nitrile gloves to keep hands clean during the process.

Once cured, the sealant creates a flexible, waterproof barrier designed to handle the natural expansion and contraction of outdoor masonry. This elasticity helps protect driveways, patios, sidewalks, garage floors, pool decks, and expansion joints against weathering and freeze-thaw cycles. Its neutral gray appearance blends smoothly into existing concrete structures for a uniform look.

Keep in mind that this fluid, self-leveling formula is intended strictly for horizontal repairs, so it cannot be used on vertical walls or steps where liquid sealant would run out. Standard cure time takes between 24 and 48 hours under suitable conditions, but deep crack fills, low temperatures, or high humidity will require additional waiting time before the surface can return to full use.

Verdict: This repair kit is an excellent choice for DIYers looking to seal flat driveway, patio, or sidewalk cracks quickly without buying special application guns or mixing gear. Its multi-pouch design makes it practical for tackling several separate repair jobs at your own pace.

• Total Net Weight: 5.02 lb (four 1.25 lb pouches)
• Color: Neutral gray
• Included Accessories: 4 screw-on capped nozzles, 4 scrapers, 8 nitrile gloves
• Surface Compatibility: Horizontal concrete and masonry
• Cure Time: 24-48 hours (longer in deep fills, low temperatures, or high humidity)

A great fit if you:

• Need to repair cracks in horizontal driveways, sidewalks, garage floors, or patios.
• Prefer a self-contained kit that requires no caulking gun, mixing containers, or extra tools.
• Want multiple separate pouches so you can fix smaller cracks over time without wasting leftover material.
• Need a flexible, waterproof seal that weathers expansion, contraction, and freeze-thaw cycles.

Consider something else if you:

• Need to patch vertical concrete walls, steps, or overhead masonry surfaces.
• Require a fast-setting compound that cures in under 24 hours.

What is included in the package?
The kit includes four 1.25 lb pouches of concrete crack filler (5.02 lb total), four screw-on capped nozzles, four finishing scrapers, eight nitrile gloves, and an instruction guide.

Do I need a caulking gun or special tools to apply it?
No, the product does not require a caulking gun, mixing, or extra tools. You simply attach the included nozzle directly to the pouch, cut it to size, squeeze the filler into the crack, and smooth it with the included scraper.

Where can this crack filler be used?
It is designed for horizontal concrete and masonry surfaces, including driveways, sidewalks, patios, garage floors, pool decks, and expansion joints.

How long does the sealant take to cure?
The formula cures in 24 to 48 hours under suitable conditions, though deep fills, lower temperatures, or high humidity may require extra curing time.