Expanded Polystyrene EPS EPS or Expanded Polystyrene is a light weight solid cellular plastic material. EPS is resistant to water, insects and bacterial growth.Koolfoam EPS conforms to Australian Standards AS/NZS 4859.1 – 2018. Self extinguishing, fire retardant expanded polystyrene. Available as Sheeting (standard size 2500 x 1200 by any mm thickness)Blocks (5000 x 1200 x 620) … Continue reading EPS Sheets