$71.50
Price range (inc GST): $62.70 – $71.50 per sheet
The price shown above includes GST for a single piece of Honeycomb Cardboard Voidformer Shipping is excluded and calculated at checkout. Unit pricing decreases with higher quantities and will automatically adjust in your shopping cart.
This 50mm Honeycomb Void Former (Ecovoid) is a lightweight structural solution designed to create controlled void spaces beneath concrete slabs in construction applications.
Manufactured from durable honeycomb cardboard, these void former sheets provide reliable compressive strength while helping reduce concrete volume and overall slab weight.
Often referred to in the industry as Ecovoid, honeycomb void formers are widely used in residential, commercial and infrastructure projects where engineered void spacing beneath slabs is required.
Each sheet measures 2400 x 1200 x 50mm and is supplied bagged for protection and easy handling on-site.
| Quantity | Fixed price |
| 1 - 19 | $71.50 |
| 20 - 39 | $67.10 |
| 40 - 200 | $62.70 |
Honeycomb void formers (also referred to as Ecovoid systems) are widely used in construction projects where controlled void spaces are required beneath concrete slabs.
Common applications include:
By creating engineered void spaces beneath slabs, void formers help reduce concrete volume, control ground movement and improve structural performance.
Size: 2400mm x 1200mm
Thickness: 50mm
Material: Honeycomb cardboard (bagged for protection and handling)
Application: Concrete void forming, slab level adjustments, structural void creation
Explore applications, sizing guidance and installation insights.
Where is a 50mm void former typically used?
The 50mm honeycomb void former (Ecovoid) is commonly used to create shallow void spaces beneath concrete slabs, particularly in residential construction where small slab recesses, step-downs or level adjustments are required.
What sheet size is the 50mm void former?
Each Ecovoid honeycomb void former sheet measures 2400 x 1200 x 50mm, allowing for efficient slab coverage and consistent void spacing during installation.
Does a 50mm void former help minimise concrete volume?
Yes. Installing a 50mm Ecovoid void former reduces the amount of concrete required in slab construction, helping lower material costs and overall structural weight.
How is the 50mm void former installed?
Sheets are positioned within formwork or base layers before pouring. Once cured, the void former maintains consistent rebate or cavity spacing.
Can 50mm void formers be used outdoors or in damp environments?
Yes, Rebul bagged void formers perform reliably when installed correctly in exposed, humid or moisture-affected construction settings.
Is 50mm suited to commercial or residential projects?
Absolutely, this size is widely used across slabs, tilt panel works, trenching, precast fabrication and small-scale void creation.
How strong is a 50mm honeycomb void former?
The engineered honeycomb core provides excellent compressive strength relative to its depth, ensuring dependable support when embedded within concrete or formwork.
Is honeycomb cardboard strong enough for voiding applications?
Yes, its cellular structure distributes load effectively, making it a proven and trusted structural voiding material.
What sizes are available?
Rebul manufactures 50mm, 75mm and 100mm honeycomb void formers for a range of engineered applications.
Are these void formers recyclable?
Yes, honeycomb void formers are recyclable and offer a sustainable alternative to polystyrene or timber systems.
Can 50mm void formers be used in tilt panel or precast projects?
Definitely, this size is commonly used for rebate formation, separation cavities and spacing layers in precast construction.
Price range (inc GST): $62.70 – $71.50 per sheet
The price shown above includes GST for a single piece of Honeycomb Cardboard Voidformer
Shipping is excluded and calculated at checkout.
Unit pricing decreases with higher quantities and will
automatically adjust in your shopping cart.
| Weight | 8 kg |
|---|
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