Package Included: You will receive 1 roll of 1/4 inch backer rod, with a length of 100 feet, ensuring ample supply for various projects. Easily trim with scissors (not included) to fit any space, providing flexibility and efficiency for your daily tasks. Durable Construction: Crafted from high-quality foam rubber, this backer rod is non-absorbent and highly flexible. It retains its shape even after compression, making it ideal for filling gaps and seams with ease. Easy Installation: Effortlessly insert the foam rod into cracks, cut to desired lengths, and twist for larger gaps. Clean the area, insert the rod, and apply sealant for a uniform finish. Effective Insulation: Serve as an excellent insulator, blocking heat waves and reducing sound transmission. Enhances comfort and energy efficiency in your space. Versatile Applications: Perfect for various types of joints such as pavement, wall, door, window and foundation gaps, this backer rod ensures a clean surface for caulking. It’s a must-have for professional and DIY projects alike. The foam rubber backer rod is suitable for most types of cracks, such as pavement cracks, wall joints and foundations, and can provide a neat surface for caulking works.