Crack Inducers and Void Formers

Base Crack Inducer

A base crack inducer in the shape of an inverted 'Y', used to induce a crack from the base vertically.

Used in conjunction with either top crack inducers or saw cutting.

Supplied in 5 mtr lengths.

Two Part Top Crack Inducers

A two piece style top crack inducer for controlled crack inducement and joint forming.

The top section is easily removed after the concrete has cured, leaving a sealant void of 25 mm deep x 10 mm wide.

Supplied in 5 metre lengths.

We recommend the use of the aluminium T-bar when using this product.

Aluminium T-Bar

A reusable rigid aluminium T-bar to form a straight void to accept either of the top crack inducers.

Supplied in 5 metre lengths.

Void Former

A re-usable PVC void former for forming square or rectangular grooves in concrete.

Particularly used on top of filler boards in slabs to form a void for joint sealant filler.

Sizes are 20mm x 10mm, 20mm x 20mm, 25mm x 12mm and 25mm x 25mm.

All supplied in 3mtr lengths.

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