Platinum Wallshield is a rigid insulation panel manufactured from lightweight closed cell grade EPS block which contains a flame retardant additive. It is intended for use as a partial fill cavity insulation board in conjunction with a retained cavity in cavity wall construction. This product is available with a square edged profile in thicknesses from 25mm to 50mm. It is also available, by request; with a tongued and grooved edge profile in thicknesses from 35mm to 50mm. Platinum Wallshield is suitable for use in new buildings up to 25 metres in height. Where a residual cavity width of 50mm or greater is maintained the product can be used in any exposure zone in buildings up to and including 12 metres high.