It's been over 24 hours and it has still not hardened. Temperature is 70 F. Will it eventually harden?

I used it to set pavers on a porch that had come loose. I had tried to reglue with limited success. Mortar hardened in about a week at 70 degree temps.

Can this be used for Hairline crack in concrete floor?

I think there are better products for filing cracks in concrete which will adhere better and repel water.

Vertical use ok? Is it thick enough that it won’t run out?

It won't run out. It's like a thick paste with bits of sand in it. I used it to repair cracks in mortar in a brick wall. Cannot tell where I repaired it.

will this adhere to manufactured or faux stone?

I used it to seal cracks in mortar between bricks. It adhered well to both brick and existing mortar. So, I would think it would work for your application, but don’t know for certain.

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QUIKRETE CO 8620-05 Mortar Repair, 5.5 oz, Gray

QUIKRETE CO 8620-05 Mortar Repair, 5.5 oz, Gray

Product ID: 49165450

Details

Brand
Quikrete
Item form
Paste
Material
Plastic
Special feature
Textured and
Specific uses for product
Tile Repair

⏳Full cure in 24 hours for quick project turnaround

💧Water-resistant & flexible with minimal shrinkage

🧱Sanded acrylic for authentic mortar texture

29562CFA

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Description

🧱 Fix it right, fix it fast — your masonry’s new best friend!

TRUSTED QUALITY - Made in the USA by QUIKRETE, a leader in masonry repair with over 1,200 positive reviews backing its reliability.
PRECISION APPLICATION - Unique square nozzle designed for filling 3/8" mortar joints with ease and accuracy—no mess, no fuss.
SEAMLESS MASONRY MATCH - Textured and colored formula blends perfectly with brick, block, and stone surfaces for a professional finish.
DURABLE FLEXIBLE SEAL - Water-resistant acrylic ensures long-lasting repairs that flex with your structure, preventing cracks and damage.
FAST PROJECT COMPLETION - Cures fully in just 24 hours, letting you paint over repairs quickly and get back to your day.

QUIKRETE CO 8620-05 Mortar Repair is a 5.5 oz gray sanded acrylic paste designed for tuckpointing and sealing mortar joints in brick, block, stone, and concrete. Its water-resistant, flexible formula minimizes shrinkage and blends seamlessly with existing masonry textures. The unique square nozzle allows precise filling of 3/8" joints, curing fully in 24 hours and ready for latex paint application. Trusted by professionals and DIYers alike, it offers durable, quick, and visually consistent mortar repairs.

Specifications

ASIN	B000FCCYZW
Best Sellers Rank	260,846 in DIY & Tools ( See Top 100 in DIY & Tools ) 290 in Concrete Paint
Brand	Quikrete
Colour	Gray
Compatible Material	Brick
Container Type	Tube
Country Of Origin	USA
Customer Reviews	4.4 4.4 out of 5 stars (1,250)
Full Cure Time	24 Hours
Global Trade Identification Number	00039645862025
Included Components	masonry mortars
Item Form	Paste
Item Package Quantity	1
Item Type Name	Mortar Repair
Item Volume	5.5 Fluid Ounces
Item Weight	5.5 Ounces
Manufacturer	QUIKRETE CO
Manufacturer Part Number	862005
Material	Plastic
Model Number	8620-05
Number of Pieces	1
Other Special Features of the Product	Textured, Colored, and Water-Resistant
Specific Uses For Product	Tile Repair
UPC	039645862025
Unit Count	5.5 gram
Viscosity Level	High
Water Resistance Level	Water Resistant

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Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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TrustScore 4.5 | 7,300+ reviews

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Smooth transaction and product arrived in perfect condition.

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29562CFA

Duties & taxes included

In stock

Sold byAmazon SenegalDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Senegal.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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