Castleforms is a privately owned company that operates out of a newly commissioned manufacturing facility (2016) centrally located in the town of Portlaoise.
Castleforms is a manufacturer of high quality Expanded Polystyrene (EPS) insulated products and systems that are used in the new build and retrofit construction sector. We specialise in the manufacture and supply of:

  • Insulated Foundation System
  • Underfloor Insulation
  • IntegraSpec Wall System
  • Bespoke Insulation Products
  • Polystyrene Blocks
  • Cutting Services

By utilizing modern manufacturing equipment and production methods, Castleforms is focused on developing creative solutions. We continue to expand and develop new products to cater for increasing markets and strive to deliver products of exceptional quality along with an excellent customer service.