What You’ll Need

• Hobby Glue Gun for Crafting Projects and Repairs – Includes 2 Glue Sticks
• Glue Sticks 10-Pack for Crafting and Repairs – Compatible with Glue Guns
• Cotton cloth or lint-free wipe
• Isopropyl alcohol (optional, for cleaning)
• Protective gloves
• Scissors or craft knife (for finishing)

Tools and Workspace Preparation

Prepare your workspace with all tools at hand and protect surfaces from stray glue. Run a trial with scrap resin to practise your technique before repairing the final piece. This simple step helps you avoid surprises and ensures even glue flow.

Clean the Epoxy Resin Surface

Begin by thoroughly cleaning the area around the hole or imperfection on your epoxy resin piece. Remove any dust, grease, or loose debris, as these can affect the adhesion of the hot glue. You can wipe the surface with a cotton cloth slightly dampened with isopropyl alcohol to ensure optimal cleanliness. Allow the surface to dry fully before proceeding. Skipping this step may result in poor bonding or show visible lines under the repair.

Select and Prepare Your Glue Gun

Choose a suitable glue gun for the job. For small to medium repairs, a compact option like the Hobby Glue Gun for Crafting Projects and Repairs – Includes 2 Glue Sticks is ideal due to its easy manoeuvrability and quick heat-up feature. Once plugged in, insert a glue stick and allow the gun to reach operating temperature—most glue guns require just a couple of minutes to heat up fully.

Always follow the manufacturer’s safety instructions and consider working on a heat-resistant mat to protect your workspace from stray drips.

Apply Hot Glue to Fill the Hole

Once your glue gun is ready, gently squeeze the trigger to apply hot glue directly into the hole or imperfection in the epoxy resin. Fill the cavity gradually, allowing the glue to settle and minimise air bubbles. Premium sticks such as the Glue Sticks 10-Pack for Crafting and Repairs – Compatible with Glue Guns deliver fast and reliable bonding with little shrinkage as they cool.

If the hole is deep, fill it in layers, letting each layer cool before adding more. This technique ensures stronger adhesion and prevents collapse or sagging of the repair.

Smooth, Inspect, and Finish the Repair

Allow the hot glue to cool and set completely—most glue sticks solidify within a minute. Once cooled, trim off any excess with scissors or a craft knife. Inspect the repair for gaps or rough edges; if desired, lightly sand the area or repeat the filling process for an even finish. A clean, properly finished repair blends seamlessly into your resin work and provides additional durability.

Project Examples and Creative Uses

Covering holes in epoxy resin with hot glue is not just for repairs—it can also be used for creative texturing or as a base for decorative finishes. Experiment on sample pieces to refine your skills or to test different adhesives for more demanding projects.