![1-in x 4-ft x 8-ft Expanded Polystyrene Board Insulation in the Board Insulation department at Lowes.com 1-in x 4-ft x 8-ft Expanded Polystyrene Board Insulation in the Board Insulation department at Lowes.com](https://mobileimages.lowes.com/productimages/6e990aae-2b36-4e79-bfd9-1cdc63014f42/48079767.jpg?size=pdhism)
1-in x 4-ft x 8-ft Expanded Polystyrene Board Insulation in the Board Insulation department at Lowes.com
![Terrafoam Expanded Polystyrene Insulation Panel - Type 1 - 8-ft x 4-ft x 1-in - White 10166 | Réno-Dépôt Terrafoam Expanded Polystyrene Insulation Panel - Type 1 - 8-ft x 4-ft x 1-in - White 10166 | Réno-Dépôt](https://cdn.renodepot.com/images/13245001_L.jpg)
Terrafoam Expanded Polystyrene Insulation Panel - Type 1 - 8-ft x 4-ft x 1-in - White 10166 | Réno-Dépôt
1-in x 4-ft x 8-ft Expanded Polystyrene Board Insulation in the Board Insulation department at Lowes.com
![1-in x 4-ft x 8-ft Expanded Polystyrene Board Insulation in the Board Insulation department at Lowes.com 1-in x 4-ft x 8-ft Expanded Polystyrene Board Insulation in the Board Insulation department at Lowes.com](https://mobileimages.lowes.com/productimages/1868c01b-1b98-4d3b-b7e7-d75972812e73/00681253.jpg)
1-in x 4-ft x 8-ft Expanded Polystyrene Board Insulation in the Board Insulation department at Lowes.com
![1-in x 4-ft x 8-ft Expanded Polystyrene Board Insulation in the Board Insulation department at Lowes.com 1-in x 4-ft x 8-ft Expanded Polystyrene Board Insulation in the Board Insulation department at Lowes.com](https://mobileimages.lowes.com/productimages/8e918ba9-88c0-44b3-9a66-6e54191fc23d/04470642.jpg)