Polystyrene
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Types and Durability
| Description
Polystyrene shower tray |
Expected Lifespan
(Years) |
Adjustment Factors |
| Reinforced polystyrene or styrene shower tray. Material to BS 3241, ASTM D4549-00 | 5 | Test certificate from approved local testing authority : +15% years |
| Polystyrene shower tray not relevant to above specification | < 5 |
Note: Lifespan is based on assumption. Manufacturer directions for protection and cleaning must be followed.