Closed-Cell and Soft Backer-Rod
Sonolastic Closed-Cell Backer-Rod is a closed-cell, polyethylene foam joint-filler and backing for elastomeric sealants. Its resilience accommodates dynamic joints. Sonolastic Soft Backer-Rod is a reticulated closed-cell polyethylene foam joint-filler and backing for sealants. It compresses easily to accommodating joints of varying widths.
CLOSED-CELL BACKER-ROD
Features
- Closed-cell polyethylene foam
- Lightweight
- Resilient
- Nonimpregnated, nonstaining, and nonbleeding
- Inert
- Round
- Nonadhering to sealants
Benefits
- Low moisture absorption
- Installs easily and quickly
- Accepts joint movement
- Will not discolor sealants or substrates
- Compatible with cold-applied sealants
- Gives proper shape to sealant for effective function
- Requires no additional bondbreaker
SOFT BACKER-ROD
Features
- Nongassing when punctured
- Reticulated closed-cell polyethylene foam
- Nonimpregnated, nonstaining, and nonbleeding
- Highly resilient
- Nonadhering to sealants
Benefits
- Eliminates bubbling of sealant
- Low moisture absorption
- Will not discolor sealants or substrates
- Conforms to irregular joints; installs easily and quickly
- Requires no additional bondbreaker