Clayboard

Clayboard is the market leader in the void former industry since 1970s and is accredited by the British Board of Agrément since 1998. Clayboard makes unique sustainable honeycomb board solutions create a technically sound void, solving ground movement issues and prevent structural damage caused to foundations by clay heave. The honeycomb core is set between lightweight polypropylene facings and is installed on a polythene sheet in the foundation zone. Water is introduced after the concrete slab is set, which impacts the honeycomb, leaving a sound void that allows for natural ground movement to occur without exerting pressure on the ground slabs above. 


Clayboard also reduces soil excavation costs. These boards create very little compression and virtually no uplift. Less reinforcement steel is required across the whole foundation site, which can be a significant further saving. Clayboard prevents structural damage to domestic and commercial buildings caused by ground movement. They are made from 100% recycled material.



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60mm Dufaylite Commercial Clayboard Void Former (pack of 33)

60mm Dufaylite Commercial Clayboard Void Former (pack of 33)

1000x2440mm - 80.52m2  Delivery Time: 3 - 7 days

£1,512.37 (£1,814.84 inc VAT)

£18.78/m2 (£22.54/m2 inc VAT)

60mm Dufaylite Commercial Clayboard Void Former is a lightweight board available in four different thicknesses, and especially applicable to large scale, commercial projects. It is made from extremely environmentally friendly components, lowering the carbon footprint of the building, but also provid..

£1,512.37 (£1,814.84 inc VAT)

£18.78/m2 (£22.54/m2 inc VAT)

= m2
other thicknesses
60mm Dufaylite Residential Clayboard Void Former (pack of 33)

60mm Dufaylite Residential Clayboard Void Former (pack of 33)

1000x2440mm - 80.52m2  Delivery Time: 3 - 7 days

£1,289.19 (£1,547.03 inc VAT)

£16.01/m2 (£19.21/m2 inc VAT)

60mm Dufaylite Residential Clayboard Void Former is a specially designed board consisting of a lightweight, eco-friendly and biodegradable core covered with polypropylene facings. The product is designed to prevent the common problem of expansion and shrinkage of clay soil when it is ..

£1,289.19 (£1,547.03 inc VAT)

£16.01/m2 (£19.21/m2 inc VAT)

= m2
other thicknesses
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