Where is a 100mm void former typically used?
The 100mm profile is ideal 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. This size significantly decreases concrete volume, reducing material costs and pour weight while maintaining strength.

How is the 100mm void former installed?
Sheets are positioned within formwork or over base layers before pouring. Once concrete cures, the void former maintains consistent, uniform cavity space.

Can I use 100mm void formers in wet or damp conditions?
Rebul void formers are bagged for protection and perform reliably when installed correctly in environments with moisture, humidity or site exposure.

Are 100mm void formers suitable for bulk construction projects?
Yes. This size is frequently used across commercial slabs, precast fabrication, tilt panels and large-scale developments, with bulk pricing available.

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 offer a more sustainable alternative to polystyrene or timber 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.