Backer Rod,1/2" X 100 Ft Black Foam Rubber Caulk Saver For Gaps And Weather Stripping Door Seal,Concrete Expansion Joint Filler Driveway Crack Filler

Product details

• 【Flexibility Function】With good flexibility, you can freely bend and twist lightweight support rod into any shape you want. After soft caulk strip is deformed by external forces, space filler can be placed for a period of time to restore its own shape..
• 【High Quality Material】Our backer rod is made of EPDM rubber material, and has good toughness. Not easy to break, reusable.The caulk backer rod is non absorbing water, durable, weather resistance ,reusable, windproof, dustproof, anti-collision, and soundproof insulation...
• 【Wide Range of Uses】The foam strip is suitable for most kinds of cracks,such as pavement cracks, wall joints and foundations,which can provide a neat surface for caulking projects.Black is a classic color,It can be matched with various style and resistant to dirt..
• 【Easy to use】The support rod is soft and elastic, and just get the part you need and put it into the space, easy and simple to use..