$93.50
Price range (inc GST): $81.40 – $93.50 per sheet
The price shown above includes GST for a single honeycomb void former sheet. Shipping is excluded and calculated at checkout. Unit pricing decreases with higher quantities and will automatically adjust in your shopping cart.
This 100mm Honeycomb Void Former (Ecovoid) is a strong, lightweight structural solution designed to create controlled voids beneath concrete slabs in construction applications.
Manufactured from high-strength honeycomb cardboard, these sheets provide excellent compressive strength while significantly reducing material weight compared to traditional void forming methods.
Often referred to in the industry as Ecovoid, honeycomb void formers are commonly used across commercial, residential and infrastructure projects to manage reactive soils, reduce concrete volume and create engineered void spaces beneath slabs.
Each sheet measures 2400 x 1200 x 100mm and is supplied bagged for protection and easy handling on-site.
| Quantity | Fixed price |
| 1 - 19 | $93.50 |
| 20 - 200 | $81.40 |
Explore applications, sizing guidance and installation insights.
Where is a 100mm void former typically used?
The 100mm honeycomb void former (Ecovoid) is commonly used for structural void creation, slab thickening, step-down formation and engineered level adjustments in commercial and residential concrete pours.
Does a 100mm void former reduce concrete volume and project weight?
Yes. A 100mm void former sheet significantly reduces concrete volume, lowering material costs and structural weight while maintaining slab integrity.
What is the sheet size of this void former?
Each sheet measures 2400 x 1200 x 100mm, providing consistent void spacing and efficient coverage across slab areas.
How is the 100mm void former installed?
Sheets are positioned within formwork or placed over prepared base layers before concrete is poured. Once the slab cures, the void former maintains a consistent cavity space beneath the structure.
Can I use 100mm void formers in wet or damp conditions?
Yes. Rebul Ecovoid honeycomb void formers are supplied bagged for protection and perform reliably when installed correctly in typical construction environments.
Are 100mm void formers suitable for bulk construction projects?
Yes. This size is widely used across commercial slabs, tilt panel construction, precast fabrication and large-scale developments.
How much load can a 100mm void former withstand?
Rebul void formers are engineered for high compressive strength when installed within formwork or concrete environments.
Is cardboard strong enough for structural voids?
Yes. Honeycomb cardboard distributes load evenly across its internal cells, making it a reliable formwork void spacer.
What sizes are available?
Rebul manufactures 50mm, 75mm and 100mm honeycomb void formers to suit a variety of engineered applications.
Is this product recyclable or environmentally friendly?
Yes. Honeycomb void formers are recyclable and biodegradable, offering a more sustainable alternative to polystyrene void systems.
Can void formers be used with precast or tilt panel construction?
Absolutely, the 100mm void former is commonly used in tilt panel and precast work to create recesses, break lines or cavity spacing.
Size: 2400mm x 1200mm
Thickness: 100mm
Material: Honeycomb cardboard (bagged for protection and handling)
Application: Concrete void forming, slab level adjustments, structural void creation
Price range (inc GST): $81.40 – $93.50 per sheet
The price shown above includes GST for a single honeycomb void former sheet. Shipping is excluded and calculated at checkout. Unit pricing decreases with higher quantities and will automatically adjust in your shopping cart.
| Weight | 11 kg |
|---|
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