---
title: EXPA 8/16
date: 2026-08-06T14:46:00+02:00
author: Nick
canonical_url: "https://www.expa-materials.com/en/products/expa-8-16-mm"
section: Products
---
# EXPA 8/16 - 8/16 mm

Coarse, ultra-light aggregate that significantly reduces structural loads. Suitable for drainage fills, substrates and lightweight screeds for foundations.

- Ultra-light aggregate for significant weight reduction.
- Ideal for roof fills, substrates and green roofs.
- Reusable mineral product supporting circular construction.
- Durable, dimensionally stable and fire-safe.

[Contact our teamContact our team](https://www.expa-materials.com/en/contact)

![Garden horticulture](https://www.expa-materials.com/uploads/images/temp/_320xAUTO_crop_center-center_none_ns/garden-horticulture.jpg)

## Download technical sheet

Get all the technical details and performance data of Expa in one comprehensive document.

[Download PDFDownload PDF](https://www.expa-materials.com/uploads/files/temp/EXPA-MATERIALS-Website-copy.pdf)

![downloads](/dist/downloads.png)

## Discover more products

![EXPA SAND 0-1](https://www.expa-materials.com/uploads/images/products/_320xAUTO_crop_center-center_none_ns/DSC_0040.jpg)

### EXPA 0/1 SAND

Ultra-fine lightweight sand for mortars & screeds. Reduces weight while improving thermal and acoustic performance.

![EXPA 0-3](https://www.expa-materials.com/uploads/images/products/_320xAUTO_crop_center-center_none_ns/DSC_0020.jpg)

### EXPA 0/3

Fine expanded clay with high resistance and good workability. Ideal for strong lightweight screeds, mortars & insulation concrete blocks.

![EXPA 3-8](https://www.expa-materials.com/uploads/images/products/_320xAUTO_crop_center-center_none_ns/DSC_0036.jpg)

### EXPA 3/8

A strong, versatile lightweight aggregate for substrates, green roofs, drainage and concrete based products.

![EXPA 16-32](https://www.expa-materials.com/uploads/images/products/_320xAUTO_crop_center-center_none_ns/DSC_0012.jpg)

### EXPA 16/32

Large, lightweight granules developed exclusively for first-stage drainage layers in landscaping, infrastructure and large-scale drainage projects.

![EXPA 4-10 BROKEN](https://www.expa-materials.com/uploads/images/products/_320xAUTO_crop_center-center_none_ns/DSC_0033.jpg)

### EXPA 4/10 B

Crushed angular aggregate combining low weight with excellent stability & strength. Its rough surface provides strong mechanical interlocking and high hook resistance. Ideal for infrastructure, drainage & concrete blocks.

## Have questions about the 8/16 mm grade?

Reach out to our technical specialists for expert advice.

[Get in touch today!Get in touch today!](https://www.expa-materials.com/en/contact)

![Clay](https://www.expa-materials.com/uploads/images/temp/_320xAUTO_crop_center-center_none_ns/clay.jpg)