Root Development & Irrigation Control

Manufactured using natural binder technology, PR VR provides a homogeneous structure that supports rapid root penetration and consistent moisture distribution. This ensures efficient nutrient uptake and stable root zone conditions, helping growers establish uniform crops and maintain control from the earliest stages of growth.

Advantages

All you need to know about Cultiwool PR VR

Vertical fibre structure – Enables fast and even water distribution Controlled dry-back – Supports precise irrigation and crop steering Uniform root penetration – Promotes consistent plant establishment Efficient nutrient uptake – Improves early-stage plant performance Natural binder technology – Reduces environmental impact Strong structural integrity – Maintains shape during handling and cultivation

Available Sizes & Customization

Cultiwool PR VR blocks are available in a range of standard sizes to suit different crops and cultivation systems. Selected sizes can be supplied with or without a donut ring, allowing growers to optimize water distribution around the plant base.

In addition to these standard options, Cultiwool offers full customization of block dimensions to match specific growing requirements. Growers can also define plug hole configurations, including the diameter and number of holes, ensuring perfect alignment with propagation trays and transplanting systems.

75 × 75 × 65 mm
75 × 75 × 75 mm
100 × 100 × 65 mm (with / without donut ring )
100 × 100 × 75 mm (with/ without donut ring )
100 × 150 × 65 mm (with/ without donut ring )
100 × 150 × 75 mm (with/ without donut ring )
200 × 100 × 65 mm (with / without donut ring )

PR VR blocks provide growers with the control and uniformity needed to ensure a smooth transition into slab cultivation and consistent crop performance .

Downloads

Download here the product sheet of Cultiwool PR VR

Our products

Cultiwool PR HZ

Horizontal fibre block for stable moisture distribution and uniform plant establishment.

Cultiwool PR HZ

Cultiwool PR Plugs

Cultiwool PR plugs are developed to provide the ideal start for young plants, ensuring uniform germination and rapid root initiation. Their homogeneous structure creates consistent moisture and air conditions, supporting strong and even seedling development from the very beginning.

Cultiwool PR Plugs

Original Growing Blocks

High-performance stone wool growing blocks delivering stable water management, strong root development, and consistent crop performance for professional greenhouse cultivation.

Original Growing Blocks

Original Growing Slabs

Proven stone wool slabs designed for uniform water distribution, stable structure, and reliable root zone control, ensuring predictable yields and crop uniformity throughout the cultivation cycle.

Original Growing Slabs

Original Starter Plugs

Reliable stone wool Starter Plugs engineered for uniform water distribution, optimal oxygen balance, and consistent early root development, supporting predictable propagation and smooth transplanting.

Original Starter Plugs