Reusable PVC Void Former for forming grooves in concrete. Void Formers are mainly used on top of filler boards to form a void for joint sealant filler.
Size
20mm x 10mm x 3m (3m Pack), 20mm x 20mm x 3m (3m Pack), 25mm x 12mm x 3m (3m Pack), 25mm x 25mm x 3m (3m Pack)
