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

💧Water-resistant & flexible formula

📏Ideal for precise 3/8" mortar joint filling

🧱Sanded acrylic for authentic mortar texture

R906

Duties & taxes included

In stock

Sold byAmazon South AfricaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🧱 Fix it right, fix it tight — your masonry’s best kept secret!

FAST READY - Cures in 24 hours, ready for latex paint to match your style
TRUSTED QUALITY - QUIKRETE brand with 4.4-star rating and USA-made reliability
DURABLE FLEXIBLE - Water-resistant acrylic that resists shrinkage and cracking over time
PRECISION APPLICATION - Unique square tube opening designed for exact 3/8" joint repairs
SEAMLESS MASONRY MATCH - Blends perfectly with brick, block & stone for a flawless finish

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 offers excellent adhesion, curing fully in 24 hours and ready for latex paint. The unique square tube opening allows precise filling of 3/8" mortar joints, making it a professional-grade solution trusted by DIYers and pros alike.

Specifications

ASIN	B000FCCYZW
Best Sellers Rank	412,803 in DIY & Tools ( See Top 100 in DIY & Tools ) 414 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 (1,246)
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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Trustpilot

TrustScore 4.5 | 7,300+ reviews

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Excellent communication throughout the order process. Product is perfect.

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