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 Acrylic Ready-to-Use Gray Mortar Sealant, 5.5 Oz. - 1 Each

Product ID: 2036904

Details

Brand
Quikrete
Item Form
Paste
Material
Plastic
Special Feature
Textured and
Specific Uses For Product
Tile Repair

💧Water-resistant formula with minimal shrinkage

🔲Unique square nozzle fits 3/8" mortar joints perfectly

🧱Sanded acrylic for authentic mortar texture

R544

Duties & taxes included

In stock

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

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Description

🧱 Fix it like a pro—mortar repair that blends, lasts, and impresses!

FAST READY - Cures in 24 hours, ready for latex paint to match your style
COMPACT POWER - 5.5 oz tube packs high-viscosity paste for targeted, mess-free repairs
FLEXIBLE DURABLE - Water-resistant acrylic stays flexible, preventing cracks over time
PRECISION APPLICATION - Square opening nozzle ensures perfect fill for 3/8" joints every time
SEAMLESS MASONRY MATCH - Blends flawlessly with brick, block & stone for a pro finish

QUIKRETE CO 8620-05 Mortar Repair is a 5.5 oz 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, with a unique square nozzle tailored for precise 3/8" joint filling. Fully cures in 24 hours and is paint-ready with latex paints, making it the go-to solution for professional-grade masonry repairs.

Specifications

ASIN	B000FCCYZW
Best Sellers Rank	#137,929 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #408 in Wall Surface Repair Products
Brand	Quikrete
Brand Name	Quikrete
Color	Gray
Compatible Material	Brick, Concrete, Stone
Container Type	Tube
Customer Reviews	4.4 out of 5 stars 1,328 Reviews
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 Weight	5.5 ounces
Manufacturer	QUIKRETE CO
Material	Plastic
Material Type	Plastic
Model	8620-05
Number of Pieces	1
Other Special Features of the Product	Textured, Colored, and Water-Resistant
Part Number	862005
Special Feature	Textured, Colored, and Water-Resistant
Specific Uses For Product	Tile Repair
UPC	039645862025
Unit Count	5.5 Ounce
Viscosity Level	High
Volume	5.5 fluid ounces
Warranty Description	Warranty
Water Resistance Level	Water Resistant

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