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How to Choose the Right EPDM Granules for Your Project?

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How to Choose the Right EPDM Granules for Your Project?

Choosing the wrong EPDM granules can lead to fading colors, poor elasticity, or even safety issues in playgrounds and tracks.

To choose the right EPDM granules, match the granule size, binder ratio, and thickness to your project’s function—whether for kindergartens, public parks, or athletic tracks.

EPDM granules selection guide

When it comes to outdoor flooring, every detail matters. I’ve worked with clients across Australia, Spain, and Canada who needed EPDM surfaces for everything from preschool playgrounds to national park trails. Let’s walk through how to choose the right EPDM granules for your project—and avoid costly mistakes.


What Granule Size Should You Use—1–3mm or 2–4mm?

Use 1–3mm EPDM granules for smoother finishes and fine detailing; go with 2–4mm for better texture and slip resistance in high-impact or outdoor spaces.

Granule size comparison

Granule SizeBest ForSurface FeelDurabilityApplication Examples
1–3mmLogos, indoor play, visual designSmooth & refinedMediumKindergartens, detailed logos
2–4mmHigh-traffic outdoor zonesTextured & grippyHighParks, sports tracks, public walkways

📚 Related: Rubber Tiles for Playgrounds


How Does PU Binder Ratio (Glue Content) Affect Performance?

A 22% PU binder ratio provides a good balance of elasticity and durability for most outdoor applications like playgrounds and tracks.

22% binder visual

PU Binder RatioElasticityDurabilityRecommended For
18%–20%HighLowTemporary events
22% (Standard)BalancedHighPlaygrounds, parks
25%+LowVery HighHeavy-use areas

🔗 BASF EPDM Info


What Thickness Is Recommended for Safety Zones?

We recommend a poured-in-place EPDM surface thickness of 10–15mm for playgrounds and other safety zones.

ThicknessCushioningUse Case
8–10mmLightWalkways
10–12mmMediumSchools, parks
13–15mmHighPlaygrounds, tracks

🔗 EN1177 Certification Explained


Which EPDM Material Should You Use for Different Applications?

For kindergartens, use soft, UV-stable granules with bright colors; for parks, choose thicker, textured granules; for tracks, prioritize elasticity and grip.

ApplicationRecommended Granule SizeColor ChoiceExtra Notes
Kindergarten1–3mmBright colorsSafety & visuals
Public Parks2–4mmNatural tonesUV-resistant
Running Tracks2–4mmAnyHigh elasticity

📘 More Info: EPDM Granules Product Page


✅ Conclusion

Choose EPDM granules based on size, glue ratio, and thickness—and always match them to the real-world needs of your project.

📩 Want a technical recommendation for your case?
👉 Get a Quote or Sample
📞 Or contact us at info@lanhefloor.com


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