Epoxy Putty vs Liquid Epoxy Adhesives: What’s the Difference?

Q: Epoxy Putty: Gap Filling and Shapeable Repairs

Epoxy putties, such as Magelstick Epoxy Mastic , have a thixotropic (paste-like) texture that allows them to be moulded by hand and pressed into gaps, cracks, or voids. This makes them especially useful for jobs that require both filling and adhesion—common in stone, masonry, or metal repairs. Remains in place on vertical surfaces without sagging Ideal for grouting and bonding uneven or rough materials Less likely to shrink, helping to maintain a smooth finish after curing

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What is the difference between epoxy putty and liquid epoxy adhesives?

Choosing between epoxy putty and liquid epoxy adhesives can make all the difference in ensuring a lasting bond for your repair or creative project. Each type has specific properties that make it ideal for certain uses.

Epoxy Putty: Gap Filling and Shapeable Repairs

Epoxy putties, such as Magelstick Epoxy Mastic, have a thixotropic (paste-like) texture that allows them to be moulded by hand and pressed into gaps, cracks, or voids. This makes them especially useful for jobs that require both filling and adhesion—common in stone, masonry, or metal repairs.

Remains in place on vertical surfaces without sagging
Ideal for grouting and bonding uneven or rough materials
Less likely to shrink, helping to maintain a smooth finish after curing

Liquid Epoxy Adhesives: Precision Bonding

Liquid epoxies, like the Klebfix Two-Component Fast Epoxy Glue, flow readily when mixed, making them suitable for bonding smooth and closely fitted parts. They offer strong, reliable adhesion for materials such as glass, metal, plastic, and wood.

Well-suited to accurate, clean joins on non-porous surfaces
Great for quick repairs with fast setting times
Usually applied with syringes or dispensers for precise dosing

When This Matters: Matching the Adhesive to Your Task

Select epoxy putty when you need a gap-filling solution for rough or vertical surfaces—think stone restoration or mending garden statuary. Opt for a liquid epoxy when accuracy and a seamless bond are key, such as repairing a chipped glass ornament or securing metal fittings. For rapid repairs and bonding on a variety of materials, products like FixExpress Epoxy Glue provide a versatile, strong adhesive option.

Related guides

How Do You Make Epoxy Adhesive

Understanding the difference between epoxy putty and liquid epoxy adhesives helps you choose the right product for your repair or creative application. For more guidance on making and using epoxy adhesives, see our main epoxy adhesive guide.