Expanded/Extruded Polysterence
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Maintenance and Cleaning
| Types | Maintenance / Cleaning | Cleaning Frequency |
| Extruded polystyrene, materials to ASTM C 578: 2001 or to BS 3837 Part 2 | Inspection:
Annual inspection for insulation defect.
|
None |
| Expanded polystyrene, materials to ASTM C 578: 2001 to BS 3837 Part 1 | ||
| Extruded or expanded polystyrene, density/ strength not specified or not to BS 5803 Part 1 and 2 |
