These shutters are very popular with our customers as they are 100% Australian made and they have a really quick turnaround in 2-3 weeks.  Backed by a 25 year warranty these are one of the best products on the market.  They are made from a highly durable thermo polymer foam.  Polyshield shutters are unique, capable of performing what other plastics cannot, having excellent durability, corrosion resistance, chemical resistance and electrical resistance.