Description
Backer filler (commonly known as backer rod) is used in various construction and sealing applications to fill joints and gaps before applying sealants. There are two main types of backer filler based on their cell structure: closed-cell and open-cell. The composition and properties of these types are designed to meet different application requirements.
- Thickness: 1 cm – 6 cm
- Color: Black
- Length: Meter Long
