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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
SAKRETE | Concrete Glue | 1 gal
- Ready to Use, just pour from bottle
- No need to roughen or score old surfaces
- Easy to apply
Bestseller No. 2
3M Hi-Strength 90 Spray Adhesive, Permanent, Bonds Laminate, Wood, Concrete, Metal, Plastic, Clear Glue, Net Wt 12.23 oz
- HIGH STRENGTH, FAST TACKING spray adhesive that bonds laminate, wood, concrete, metal, plastic, paper, cardboard, insulation, fabric, melamine, polyethylene, polypropylene, and SBR rubber.
- PERMANENT BOND: Versatile, fast drying, contact-type spray glue bonds strongly to a wide range of projects both large and small, crafting to construction.
- ADJUSTABLE NOZZLE to choose the width of lace-patterned spray needed for your project.
- RESISTANCE to moisture and high temperatures.
- APPLICATIONS include interior construction-insulation, HVAC, office partition; general industrial maintenance and repair projects; large, surface bonding of wood, laminates, particle board, and MDF.
SaleBestseller No. 3
PC Products 72561 PC-Concrete Two-Part Epoxy Adhesive Paste for Anchoring and Crack Repair, 8.6 oz Cartridge, Gray
- Two-part epoxy adhesive paste to fill and repair cracks in concrete, and to anchor threaded rods, bolts, and dowels into concrete, grout-filled block, and unreinforced masonry
- High-tack paste resists moisture for application in damp environments and can be used in vertical applications
- Can be used in indoor and outdoor applications with an application temperature range from 35 to 115 degrees F and a service temperature range from -20 to +115 degrees F
- Provides work time of 20 minutes and cure time of 4 hours (at 75 degrees F)
- Meets ASTM C881-99
Bestseller No. 4
3M Hi-Strength 90 CA Spray Adhesive, Low VOC, Permanent, Bonds Laminate, Wood, Concrete, Metal, Plastic, Clear Glue, Net Wt 19 oz
- HIGH STRENGTH, FAST TACKING spray adhesive that bonds laminate, wood, concrete, metal, plastic, paper, cardboard, insulation, fabric, melamine, polyethylene, polypropylene, and SBR rubber.
- PERMANENT BOND: Versatile, fast drying, contact-type spray glue bonds strongly to a wide range of projects both large and small, crafting to construction.
- LOW VOC <25% is CARB and SCAQMD compliant, GREENGUARD certified, and helps contribute to LEED credits
- ADJUSTABLE NOZZLE to choose the width of lace-patterned spray needed for your project.
- RESISTANCE to moisture and high temperatures.
Bestseller No. 5
Weldbond Adhesive, 3L, 101 fl.oz, Non-toxic Adhesive for wood, tile, glass, hard foam, porous surface sealing and concrete bonding. Dries Crystal Clear, no fumes, water clean up
- ✅ BONDS MOST EVERYTHING: No need to carry multiple types of glue bottles. This glue has unbelievable strength, is water resistant, weatherproof, dries crystal clear, is permanent and flexible.
- ✅ GREAT FOR CARPENTRY: Bonds stronger than wood! Easy to sand and paintable. No run, no drip. Easily cleans up with water. Fast setting in only 20 minutes, no clamping required.
- ✅ PERFECT FOR MOSAIC PROJECTS: Clear glue, bonds most tiles and hard surfaces such as glass, ceramics, porcelain, pottery, stone, marble, granite, clay, cork, slate, and composite like Corian.
- ✅ FANTASTIC GLUE for CRAFTS & KIDS: Probably the best glue for school projects and a wide range of hobbies & handmade creations. Use it at home, school, office, workshop, or cottage.
- ✅ SAFE FOR YOUR FAMILY.Weldbond is non-toxic, odorless, non-flammable and emits no fume; It has no animal by-products and is environmentally friendly; Packaging may varyR YOUR FAMILY.Weldbond is non-toxic, odorless, non-flammable and emits no fume; It has no animal by-products and is environmentally friendly; Packaging may vary
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
- The first step is to chisel away at the cracked or deteriorated mortar to a depth of about 1/4 to 3/4 of an inch.
- Next, clean out the area you chiseled with a wire brush and make sure there is nothing left in there.
- From there you can prepare the Quikrete Mortar Repair by putting it in a caulking gun and puncturing the seal inside the nozzle.
- With firm pressure, fill the crack with the Quikrete Mortar Repair.
- Remove any excess Quikrete Mortar Repair with a damp cloth and leave to cure for 24 hours.
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.
