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Surface bubbles can spoil the smooth, glossy finish you want when applying epoxy resin on tiles. Using a heat gun is a practical way to eliminate these unwanted bubbles, but care must be taken to avoid burns or resin damage. Here’s how to use heat efficiently for the best results.
Why Do Bubbles Form in Epoxy Resin?
Bubbles appear in resin during mixing or pouring, trapping air within the resin layer. On smooth surfaces like tiles, bubbles may also collect due to surface tension. Left unaddressed, these bubbles can harden and impact the clarity of the cured finish.
Tackling bubbles while the resin is still wet is critical for professional results.
How to Use a Heat Gun for Bubble Removal
- Hold the heat gun, such as our Gas Heat Gun for Epoxy Resin, around 10–20cm above the resin surface.
- Move in smooth, sweeping motions—staying in one spot risks overheating or scorching the resin.
- Use short bursts of heat, focusing only on areas where bubbles are visible. The bubbles should rise to the surface and pop quickly.
- Avoid prolonged or intense exposure, as this can cause clouding or uneven curing.
Always follow the manufacturer’s instructions for your particular resin and heat tool.
Practical Tips for Best Results
- Pour resin in thin layers (within recommended thickness) to limit heat buildup.
- Keep the working area well-ventilated and avoid high ambient temperatures.
- If using clear resins like “Trasparente” or “Icrystal”, stick to the recommended thickness to prevent unnecessary overheating.
When Heat Gun Technique Matters Most
Using a heat gun is especially valuable for projects where resin clarity and a flawless surface are priorities—like decorative tiles, tabletops, and artwork. Whenever a glassy finish or embedded elements are involved, careful heat application makes a noticeable difference.
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Careful use of a heat gun brings out the best finish in resin coatings on tiles. For more advice on preparation and product recommendations, visit our main guide on how to apply resin on tiles.