Sacrificial Guide Wall Formers


Bewi bespoke Guide Wall Formers are a time saving solution for the construction of piled foundation systems.

The sacrificial EPS (Expanded Polystyrene) formers are used to create the inner shape of the concrete guide walls and play a key role in producing accurate piles in all types of construction projects.

      Key Benefits

  • Designed to cater to your unique requirements, based on your pile layout plan
  • Cost-effective solution
  • Designed and cut in the factory and supplied to the construction site ready to use
  • Fast and simple installation that enables the accurate positioning and alignment
  • Delivered in sections as overlapping units to enable fast installation
  • Are not struck from the wall as the low density EPS allows the piling rig to augur
  • There are no requirements for special PPE when installing or cutting the formers
  • Single-use design
  • Made from 100% recyclable EPS


Sizes: Up to 1200mm pile diameter

Depth: As per design, in up to 1200mm segments



Materials: Manufactured from EPS (Expanded Polystyrene)

Standards: Manufactured in accordance with BS EN ISO 14933:2007 under a Quality Management System approved to BS EN ISO 9001:2015 and Environmental Management System to ISO 14001:2015.


Bewi will transfer a customer’s pile layout plan into a drawing detailing the size, shape and position of each former.

Once the design has been approved and ordered by the customer, the formers are CNC cut from large solid blocks of expanded polystyrene.

Storage & Handling

The Wall Former products are lightweight and can be manually handled in line with manual handling regulations.

All Wall Former units should be positioned on a flat level surface and weighted down or secured if they are to be stored outside prior to installation.

No further storage requirements are needed as the product is unaffected by both UV light and water.

Downloads — Sacrificial Guide Wall Formers