What Is 80/20 Turf Underlay? A Simple Guide for Healthier Lawns

If you’re planning to lay new turf, the foundation matters more than you think. 80/20 turf underlay is a popular choice that helps create a strong, well-draining base. Here’s a quick breakdown of what it is and why it works so well.



What Does 80/20 Mean?

80/20 turf underlay is a blend of 80% sand and 20% organic material (usually soil or compost). This mix creates a balance between drainage and nutrient retention, giving turf roots the ideal environment to grow.

Why It’s Great for Turf

The high sand content allows excess water to drain quickly, preventing soggy soil and root rot. Meanwhile, the organic portion helps retain enough moisture and nutrients so your lawn can establish faster and stay healthy.

Where and How to Use It

It’s typically spread as a base layer before laying turf, usually 50–100mm thick, depending on your soil condition. It’s especially useful for improving poor or clay-heavy soils, ensuring even growth and better long-term results.

Read the full guide here:
https://www.turtlenursery.com.au/what-is-80-20-turf-underlay/ 

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