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HVAC Air Duct PIR Foam Panel Phenolic Foam Insulation Board - China Phenolic Panel, Pre Insulated | Made-in-China.com
![Recently brought this PIR insulation foam board, knife and hot wire struggle to cut through anyone have any suggestions? (Based in UK) : r/TerrainBuilding Recently brought this PIR insulation foam board, knife and hot wire struggle to cut through anyone have any suggestions? (Based in UK) : r/TerrainBuilding](https://i.redd.it/ds8fd0lunbu81.jpg)
Recently brought this PIR insulation foam board, knife and hot wire struggle to cut through anyone have any suggestions? (Based in UK) : r/TerrainBuilding
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