![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
![R-Tech R-5.78, 1.5-in x 2-ft x 8-ft Faced Polystyrene For Use In Garage Doors Board Insulation in the Board Insulation department at Lowes.com R-Tech R-5.78, 1.5-in x 2-ft x 8-ft Faced Polystyrene For Use In Garage Doors Board Insulation in the Board Insulation department at Lowes.com](https://mobileimages.lowes.com/productimages/179c66b1-0560-4d87-a343-6ea27fda60f8/00424642.jpg?size=pdhism)
R-Tech R-5.78, 1.5-in x 2-ft x 8-ft Faced Polystyrene For Use In Garage Doors Board Insulation in the Board Insulation department at Lowes.com
![RMAX Pro Select R-Matte Plus-3, 2 in. x 4 ft. x 8 ft. R-13.1 Foam Insulation Board 637898 - The Home Depot RMAX Pro Select R-Matte Plus-3, 2 in. x 4 ft. x 8 ft. R-13.1 Foam Insulation Board 637898 - The Home Depot](https://images.thdstatic.com/productImages/295121ec-7fba-4015-a0cc-9e972e661052/svn/rmax-foam-board-insulation-637898-40_600.jpg)
RMAX Pro Select R-Matte Plus-3, 2 in. x 4 ft. x 8 ft. R-13.1 Foam Insulation Board 637898 - The Home Depot
![Amazon.com: DOMINOX Hot Knife Foam Cutter, Foam Cutting Tool Kit, Heavy-duty Case Styrofoam Cutter for Cutting Foam Board Insulation, EPP, EPS, XPS, EVA, EPE, PU, KT Board, Sponge, Nylon : Arts, Crafts Amazon.com: DOMINOX Hot Knife Foam Cutter, Foam Cutting Tool Kit, Heavy-duty Case Styrofoam Cutter for Cutting Foam Board Insulation, EPP, EPS, XPS, EVA, EPE, PU, KT Board, Sponge, Nylon : Arts, Crafts](https://m.media-amazon.com/images/I/61NT9WWBl0L.jpg)
Amazon.com: DOMINOX Hot Knife Foam Cutter, Foam Cutting Tool Kit, Heavy-duty Case Styrofoam Cutter for Cutting Foam Board Insulation, EPP, EPS, XPS, EVA, EPE, PU, KT Board, Sponge, Nylon : Arts, Crafts
![Owens Corning FOAMULAR 150 1 in. x 4 ft. x 8 ft. R-5 Scored Square Edge Rigid Foam Board Insulation Sheathing 20WE - The Home Depot Owens Corning FOAMULAR 150 1 in. x 4 ft. x 8 ft. R-5 Scored Square Edge Rigid Foam Board Insulation Sheathing 20WE - The Home Depot](https://images.thdstatic.com/productImages/061ca435-fbff-49ac-9e0b-24bad4acc1fe/svn/owens-corning-foam-board-insulation-20we-64_1000.jpg)