Specification Brand : MYFAMIREA BulletPoint1 : 【High Quality】The black backing rod is made of high quality EPDM rubber material, resistant to dirt. This caulking support rod is unbreakable and reusable. The foam hole is round and closed cell. It is therefore low density, non-absorbent, soundproof and flexible. BulletPoint2 : 【Filler Function】Caulk backer rod is high and low temperature resistant and weather resistant. Suitable for most types of cracks. You can use closed cell backer rod for wall cracks, pavement cracks, foundation cracks, panel cracks and more. Tips: Before purchasing, please measure size of the gap. BulletPoint3 : 【Wide Applications】The caulk saver rodis is versatile, it can be used to make ring holders, complete craft projects, protect the pet's ears and install glass. At the same time, it can be a weather stripping and widely used in doors, windows, wardrobes, car, ship and more. BulletPoint4 : 【Suitable Length】The total length of foam rod is 20 feet and is sufficient for your daily use. You can use scissors to cut out the appropriate size according to the actual need. So backer rod for caulking would be a good choice. You don't have to worry about the length. BulletPoint5 : 【Easy to Use】With excellent flexibility and agility, our rope caulk can be bent into various shapes. When filling cracks, you can place the gap filler foam into the cracks and press it well. Then cover with caulk and smooth it out. Color : Black CompatibleMaterial : Rubber ExternallyAssignedProductIdentifier : 3641279563994 GpsrSafetyAttestation : 1 ItemForm : Strip ItemForm1 : Strip ItemForm2 : Foam ItemName : MYFAMIREA 20FT Backer Rod 1/4 Inch EPDM Rubber Caulk Saver Weather Strip Seal Concrete Expansion Joint Filler for Gaps and Joints, Black ItemPackageDimensions_Height : 15.494 centimeters ItemPackageDimensions_Length : 3.9878 centimeters ItemPackageDimensions_Width : 14.1986 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : weather-stripping Manufacturer : MYFAMIREA Material : Rubber ModelNumber : 1/4" Diameter x 20' Length NumberOfItems : 1 PartNumber : B-2 ProductDescription : Backer Rod Caulk Saver Foam Weather Stripping Door Seal for Cement Caulk, Joints and Gaps and Driveway Crack ProductSiteLaunchDate : 2023-07-07T02:28:57.067Z Size : 1/4" Diameter x 20' Length Style : 1/4" Diameter x 20' Length SupplierDeclaredDgHzRegulation : not_applicable SurfaceRecommendation1 : Wall SurfaceRecommendation2 : Floor UnitCount : 20 UnspscCode : 30141500 WaterResistanceLevel : waterproof