![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
![Owens Corning FOAMULAR 150 1-1/2 in. x 4 ft. x 8 ft. R-7.5 Scored Squared Edge Rigid Foam Board Insulation Sheathing 88WD - The Home Depot Owens Corning FOAMULAR 150 1-1/2 in. x 4 ft. x 8 ft. R-7.5 Scored Squared Edge Rigid Foam Board Insulation Sheathing 88WD - The Home Depot](https://images.thdstatic.com/productImages/5c3d3cf3-3301-4617-bf9f-0e53f7f49908/svn/owens-corning-foam-board-insulation-88wd-64_1000.jpg)
Owens Corning FOAMULAR 150 1-1/2 in. x 4 ft. x 8 ft. R-7.5 Scored Squared Edge Rigid Foam Board Insulation Sheathing 88WD - The Home Depot
![How to cut thin insulation board mess free! Cutting PIR board for beginners. DIY top tip!! - YouTube How to cut thin insulation board mess free! Cutting PIR board for beginners. DIY top tip!! - YouTube](https://i.ytimg.com/vi/5pTfQVzZtkA/maxresdefault.jpg)