Does STYRO EPS affected by directly exposed Sunlight?

Yes, Prolonged exposure to direct sunlight will cause slight discoloration and forms yellowish skin on top of STYRO EPS insulation, this occurs due to UV rays effects on sunlight which is named as ULTRAVIOLET DEGRADATION. STYRO EPS should be protected with a light-colored opaque LDPE film or Tarpaulin sheets in case if it is stored under direct sun light.