NUTKIT 10mm*5M Backer Rod for Gaps and Joints, Black Rubber Caulk Saver

• 【SUPERIOR MATERIALS】The gap sealant strip is made of high-quality EPDM material, possessing excellent flexibility, compressibility, resistance to high and low temperatures, UV resistance, and anti-aging properties. After installation, it tightly fills various gaps, has a longer service life than ordinary plastic materials, and is not easily deformed even after long-term use, maintaining its original shape and sealing performance.
• 【SUPERIOR FEATURES】Our round joint sealing strips feature waterproof performance for effective moisture‑proofing, along with UV resistance to prevent aging and deterioration for outdoor use. They deliver great sound insulation and cushioning to reduce external noise. Flexible and easy to cut, they can be freely trimmed to fit various sealing conditions.
• 【EASY TO USE】This joint sealant strip has excellent flexibility and can be bent at will, making installation simple and convenient. It can be cut to the required length, embedded into the joint, and pressed firmly to ensure a tight fit. Then, cover and fill, and finally smooth with sealant for a smooth, seamless, professional seal, suitable for various application scenarios.
• 【MULTIPLE SIZES】This round joint sealing strip is available in a variety of sizes, with diameters ranging from 4mm, 6mm, 10mm, 16mm, and 20mm. It also comes in two common lengths, 3m and 5m, to accommodate gaps of varying widths and meet sealing needs in various scenarios. Choose the appropriate size based on the actual gap size.
• 【WIDE RANGE OF APPLICATIONS】This joint sealant is suitable for various applications. It can be used to fill cracks in roads, walls, cement, and driveways, and can also seal joints of varying depths in doors, windows, wardrobes, closets, and ceilings. It perfectly conforms to uneven surfaces, providing an effective seal.

NUTKIT Backer Rod for Gaps and Joints 1.High stability, great aging‑resistance and compression‑resistance, excellent elasticity, flexible for random bending, not easy to deform or break. 2.Provides effective joint sealing to prevent penetration of water, dust and wind, ideal for crack sealing. 3.Flexible and durable, easy to handle, fits well into cracks and adapts to various joints. 4.Suitable for most types of cracks such as road cracks, wall joints and foundation cracks, delivering a neat surface for sealing work. Specifications: Material : EPDM Rubber Color: As shown in the picture Size: 10mm×5M Packing list: 1 × EPDM foam rubber filler strip Note: 1.Before use, clean the gaps of dust, sand, and oil, ensuring the surface is dry and clean to guarantee a good seal. 2.Select a sealing strip with a diameter appropriate for the gap width. A strip that is too large will cause it to bulge, while a strip that is too small will not fill the gap properly, resulting in a failed seal. 3.When cutting, leave a small amount of slack. After inserting it into the gap, press firmly to ensure the sealing strip is completely fitted into the gap.