Polyisocyanurate Foam
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Maintenance and Cleaning
| Types | Maintenance / Cleaning | Cleaning Frequency |
| Closed cell rigid polyisocyanurate foam boards faced to ASTM C 1289: 2002, Unfaced to ASTM C 591: 2001 or to BS 4841: Part 3, faced on both sides with bitumen coated glass tissue or glass/ polyethylene/ glass facing | Inspection:
Annual inspection for insulation defect.
|
None |
| Closed cell rigid polyisocyanurate not to ASTM 1289: 2002 or C 591: 2001 or to BS 4841: part 3 or not designed for proposed use |
