3/8 Inch X 16.4 Feet Backer Rod Rubber Rope Caulk Crack Gaps Joint Filler Black

The Rubber Backer Rod is perfect for a wide range of sealing applications, including door, window, cracks on wall, furniture, machine, and automotive projects. It effectively fills gaps and joints, preventing the infiltration of air, water, and dust, ensuring a tight and long-lasting seal. It can also be used for craft DIY, flower art, etc.SpecificationColor: BlackMaterial: NBR rubberOuter Diameter: 10 mm / 3/8 InchTotal Length: 5 m / 16.4 FeetPackage List: 1 Pcs Backer RodAdvantageThe Backer rod is made of Rubber material that provides good flexibility and heat-resistant features. It is weather proof, dust proof, oil resistant, shock resistant, vibration resistant, making it a good solution for sealing gaps and joints.InstructionSimply insert it into gaps and joints to create a firm and stable foundation for sealants. It can be easily trimmed to the desired length using scissors or cutting tools.NoticeBefore using our Backer Rod, ensure that the joint or gap is clean and free from debris. It is recommended to choose a Backer Rod diameter that is slightly larger than the joint width for optimal performance.