3/8 Inch x 50FT Backer Rod Diameter Rubber Caulk Concrete Expansion Joint Filler White Saver Weather Strip Seal for Gaps and Joints Concrete Filling (3/8 Inch x 50FT)

Features: The rubber caulk saver enough for your daily use Easy to Use: Simply insert backer rod into the desired area to be caulked Material: Rubber Widely Used: Our products are used in a wide variety of environments, including sealing sliding doors, glass doors, windows, side seams in wardrobes and cupboards Color:White Manual measurement, please allow a slight error in size. There may be slight color differences due to different screen displays.

• High Quality: The white backing rod is made of high quality EPDM rubber material, which is resistant to dirt. It is unbreakable and reusable. The rubber hole is a circular closed hole. As a result, it has low density, no water absorption, sound insulation and flexibility.
• Suitable Length: The rubber caulk saver enough for your daily use. You can use scissors to cut the appropriate size according to your actual needs. Therefore, a caulking rod would be a good choice. You don't need to worry about the length.
• Easy to Use: Simply insert backer rod into the desired area to be caulked, press hard, cut if necessary, then cover and smooth with caulk. Effortlessly achieve a seamless and professional finish
• With Filling Effect: The fill rod has the advantages of high and low temperature and weather resistance, making it suitable for most types of cracks. You can use closed cell rods for wall cracks, pavement cracks, foundation cracks, slab cracks and more.
• Versatile Applications: Our products are used in a wide variety of environments, including sealing sliding doors, glass doors, windows, side seams in wardrobes and cupboards. It is also suitable for sealing doors, windows and hatches on cars, ships and other applications. Experience its adaptability and effectiveness, providing a reliable and secure seal against ventilation, noise and dust.