Where is a 75mm void former typically used?
The 75mm depth is ideal for mid-range cavity creation, formwork rebates, load relief zones, beam step-downs and service penetrations.

Does a 75mm void former help minimise concrete volume?
Yes, this profile offers notable concrete savings and lower pour loads while maintaining structural performance.

How is the 75mm void former installed?
Sheets are fixed in place within formwork before pouring. After curing, the former retains accurate and uniform void spacing.

Can 75mm void formers be used outdoors or in moist conditions?
Yes, Rebul bagged void formers are designed for reliability in exposed, damp and construction site conditions.

Is 75mm suited to large-scale building environments?
Absolutely, this size is popular across slabs, tilt panels, precast environments and commercial concrete works.

How strong is a 75mm honeycomb void former?
Its honeycomb core provides high compressive performance and dependable support when embedded within formwork or concrete systems.

Is honeycomb cardboard strong enough?
Yes, its engineered cell structure delivers strong distributed load support, making it a proven formwork voiding material.

What sizes are available?
Rebul manufactures 50mm, 75mm and 100mm honeycomb void formers to suit a wide range of engineered applications.

Are these void formers recyclable?
Yes, honeycomb void formers are recyclable and provide a sustainable alternative to polystyrene or timber void systems.

Can 75mm void formers be used in tilt panel or precast projects?
Definitely, this size is commonly used for structural separation, cavity formation and rebate shaping in precast work.