These foam backer rods are ideal for sealing window and door gaps, providing excellent insulation and preventing drafts. To use, measure the length of the gap, cut the foam rod to size, and press it firmly into the gap. Follow up with a layer of caulking or sealant to secure the rod in place and enhance the insulation properties. This simple process helps maintain a comfortable indoor environment. Features -Color:Black -Material:Foam -Size:200.00X4.00X4.00cm/78.60X1.57X1.57in -Robust material: made from solid foam, this backer rod offers excellent durability and resilience, ensuring longterm performance in various environments -Wide compatibility: suitable for most types of cracks and gaps, including those found in driveways, sidewalks, walls, doors, and windows, making it a versatile solution -Efficient sealing: provides an effective seal for gaps, preventing moisture, dirt from entering, thus protecting the integrity of the structure -Userfriendly: easy to insert into gaps and can be cut to the required size with minimal effort, making it ideal for both professionals and diy enthusiasts -Multifunctional: this foam backer rod is designed to cater to a variety of caulking needs, making it a valuable addition to any toolkit for home repairs and maintenance Package list: 1 x foam rod