In addition to their use in sealing and insulation, these foam rods are excellent for filling gaps in walls. Whether you're dealing with small gaps or larger spaces, these foam backer rods can be cut to size and inserted into the gap. Once in place, apply a layer of caulking or filler over the rod to secure it. This approach ensures a smooth, even surface and helps prevent drafts and moisture infiltration. Features -Color:Black -Material:Foam -Size:200.00X4.00X4.00cm/78.60X1.57X1.57in -Highperformance material: constructed from solid foam, this backer rod is designed to offer exceptional durability and resilience, ensuring reliable performance in various conditions -Versatile applications: ideal for filling gaps in a wide range of settings, including driveways, sidewalks, walls, doors, and windows, providing a practical solution for many needs -Effective gap sealing: provides a secure and tight seal for gaps, preventing moisture, dirt from entering and causing potential damage -Userfriendly design: easy to push into gaps and can be cut to the desired length with minimal effort, making it convenient for both professional and diy use -Comprehensive utility: designed to meet diverse caulking needs, this foam backer rod is a versatile and essential tool for various home improvement and construction projects Package list: 1 x foam rod