What is the best glue for concrete?

Cracks in Concrete can be a nuisance to repair and bonding concrete to concrete can seem near impossible if you don’t have mortar handy. So which glues are best suited for adhering to concrete? Let’s find out.

Table of Contents

Bestseller No. 1
Loctite PL Premium Polyurethane Construction Adhesive, Versatile Construction Glue for Wood, Concrete, Metal & More - 10 fl oz Cartridge, Pack of 1
  • All Purpose: One component polyurethane-based adhesive that covers a wide variety of projects and bonds to most materials for consistently successful results
  • 3X Stronger: 3 times as strong as ordinary construction adhesives and stronger than many substrates it joins together
  • Versatile: Ideal for sub floor installations and bonds to most common construction materials such as wood, OSB, drywall, brick, concrete, masonry, stone, foam insulation, metal, ceramic, PVC, and more
  • Interior and Exterior: Paintable adhesive with no strong solvent odor that sets in 30 minutes and fully cures in 24 hours for projects inside and out
  • Weather Resistant: Waterproof and can be applied directly to wet and frozen surfaces without shrinking and cures in cold temperatures
SaleBestseller No. 2
Gorilla Heavy Duty Construction Adhesive, 7 Ounce Squeeze Tube, White, (Pack of 1)
  • ALL WEATHER: Great for Indoor & Outdoor use
  • FAST GRAB: Holds in 30 seconds
  • PAINTABLE
  • GAP FILLING
  • LOW ODOR
Bestseller No. 3
Loctite Power Grab Express All Purpose Construction Adhesive, Versatile Construction Glue for Cement, Tile, Wall & More - 6 fl oz Squeeze Tube, (Pack of 1)
  • Professional and DIY: All purpose, instant grab adhesive dries white and is paintable for a professional finish
  • Versatile For Interior Projects: Bonds to a variety of construction materials including wood, drywall, plaster, ceramic, concrete, masonry, brick, foamboard, cork and vinyl cove base
  • Quick and Easy: Simply apply with caulking gun; repositionable for up to 15 minutes and fully cures in 12 hours
  • Instant Grab: Zero-second instant grab and high initial tack reduces need for nails, screws, and bracing
  • Easy Clean Up: Uncured adhesive cleans up easily with just soap and water
SaleBestseller No. 4
Gorilla Heavy Duty Construction Adhesive, 9 Ounce Cartridge, White, (Pack of 1)
  • TOUGH, VERSATILE, and WATER-RESISTANT – Provides a long-lasting, heavy duty bond.
  • FAST GRAB: Holds in 30 seconds.
  • PAINTABLE & FLEXIBLE.
  • LOW ODOR and VOC Compliant.
  • BONDS virtually everything, including wood, drywall, ceramic, tile & more.
SaleBestseller No. 5
Protective Coating Products PC-Crete Epoxy Putty, 2oz Tube, Concrete Gray (25581)
  • Epoxy putty stick for repairs to concrete and masonry surfaces; fill cracks and chips
  • Looks like concrete when cured; great for statues, steps, fountains and missing mortar
  • Cures in less than 60 minutes; cut, mix, apply and shape
  • Hand moldable putty epoxy
  • Fast setting - looks like concrete
One of the most common ways for you to need an adhesive for the concrete in your home is if the mortar binding your concrete together cracks. This can be a real problem as it can cause a lot of weathering, particularly in cold climates. That’s why the very best adhesive to tackle concrete mortar repair is Quikrete Mortar Repair. It has a sanded acrylic formula that adheres to concrete flawlessly and its texture will blend in beautifully with the surrounding mortar so it looks no different than what was there before.

Best Concrete Glue for Cold Temperatures

It can be tough to find a good reinforcement or repair adhesive for concrete in cold temperatures as few adhesives can handle the freeze and thaw conditions of those sorts of climates. And for that reason, SikaLatex R Concrete Bonding Adhesive is by far the best adhesive for the job. SikaLatex R Concrete Bonding Adhesive is designed to withstand freezing and thawing and is perfect to use in repairing concrete or reinforcing its mortar. If you live in a cold climate, SikaLatex R Concrete Bonding Adhesive is going to be your best friend by far.

How to Repair Concrete Mortar with Quikrete Mortar Repair

Best Glue for Concrete Blocks

When gluing concrete blocks you need an adhesive that can compete with traditional mortar, which makes Liquid Nails LN-905 the perfect glue for concrete blocks. Liquid Nails LN-905 is great for outdoor applications and won’t shift when curing, holding concrete strong and reliably.

Best Glue for Sealing Concrete

When looking for an adhesive to seal concrete, you need a strong polyurethane. The best adhesive for sealing concrete is Loctite PL Premium Polyurethane Construction Adhesive because it is 3x stronger than most other construction adhesives and is designed for both indoor and outdoor applications. It is completely weather-resistant and waterproof and can even be applied directly to wet or frozen surfaces.
To conclude, the best glue for concrete overall is Quikrete Mortar Repair. The best adhesive for concrete in cold temperatures is Sikalatex Concrete Adhesive. The best glue for concrete blocks is Liquid Nails LN-905. And the best adhesive for sealing concrete is Loctite PL Premium Polyurethane Construction Adhesive.
No, SikaLatex R Concrete Bonding Adhesive should not be applied to wet cinderblocks as it will not be able to bond. Only apply to SikaLatex R Concrete Bonding Adhesive to dry concrete.
Liquid Nails LN-905 will set within a few hours of being applied, but will fully cure in 24-48 hours depending on the amount used.
Yes, Loctite PL Premium Polyurethane Construction Adhesive will adhere to both painted and non-painted concrete without any problems. Non-painted is preferable, but painted will work just fine.
Yes, Quikrete Mortar Repair can be painted just like any regular mortar, even though it is more like a caulk.
Yes, absolutely, but it is important to make sure that whatever adhesive you use is weatherproof and can withstand high temperatures.

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