Koprek Black Backer Rod for Gaps and Joints, 6mmx5m Foam Rubber Round Seal Strip, Weather Stripping, Gap Filler & Backer Rod for Doors, Windows, Concrete Joints, DIY & Industrial Use

• 【Durable EPDM Foam Material】The filler seal strip is crafted from high-quality EPDM foam, offering robust construction with low elasticity that resists deformation under pressure. It delivers exceptional flexibility and longevity, with a broad temperature tolerance range. Resistant to corrosion and abrasion, it remains impervious to water absorption. Providing shock absorption, sound insulation, thermal insulation and impact protection.
• 【Versatile Crack Application】This foam backer rod is suitable for road cracks, wall joints, foundations, and various other gaps, providing a smooth surface for joint filling projects. The classic black colour resists showing dirt. The black backing strip is stain-resistant and blends seamlessly with most surfaces, ensuring a clean, professional appearance.
• 【Simple Installation and Cutting】Measuring 6mm (diameter) x 5m (length). The black color of backer rod for gaps and joints accommodates gaps of varying sizes. Operation is exceptionally straightforward: measure the gap length, insert and press the backing strip into place, trim to size with scissors as required, then apply sealant and smooth over. Achieve a smooth, professional seal without specialist skills.
• 【Versatile Applications】This multi-purpose foam strip is ideal for filling cracks and expansion joints in roads, walls, and concrete. It also excels at sealing gaps in doors, windows, wardrobes, and cabinets, effectively blocking draughts, dust, and noise. Equally suitable for industrial sealing applications in vehicles, vessels, and more.
• 【Perfectly Adapts to Uneven Surfaces】 The black backer rod conforms seamlessly to irregular or uneven gap surfaces. Its excellent cushioning and vibration-damping properties accommodate minor substrate movement, ensuring a long-lasting, secure seal.

Engineered for Lasting Sealing & Superior Protection Crafted from durable, flexible EPDM foam, it withstands extreme temperatures, resists water, corrosion, and wear. It absorbs shock, insulates against sound and heat, and provides impact protection for unmatched durability in demanding conditions. Effortless DIY Installation for Professional Results The filler seal strip simply measure, press into any gap, and cut to size with scissors. Its 6mm x 5m size adapts to various spaces. Finish with sealant for a smooth, professional-grade barrier against drafts, dust, and moisture—no special skills needed. Versatile Solution for Indoor & Outdoor Sealing Projects The black backer rod conforms is ideal for filling cracks in roads, walls, and concrete joints. Perfectly seals gaps around doors, windows, wardrobes, and cabinets. Also suitable for automotive, marine, and industrial applications, offering reliable performance everywhere. Perfect Conformity on Any Uneven Surface Soft and compressible, it molds seamlessly to irregular shapes and uneven surfaces. Its excellent cushioning accommodates structural movement, ensuring a tight, long-lasting seal that stays secure over time. Specifications: Black 6mm × 5m Material: Ethylene Propylene Diene Monomer (EPDM) Rubber Dimensions: 6mm × 5m Colour: Black Applications: Joint sealing and waterproofing for construction, lighting, doors/windows, electrical appliances, cabinet lids, boxes, luggage, etc. Packaging Contents: 6mm x 5m foam joint filler strip Note: Due to variations in photography lighting and monitor colour reproduction, product images may differ slightly from the actual item. All measurements are approximate and subject to manual measurement tolerances. Please refer to the physical product for exact dimensions.