![Sika on Twitter: "Sika® Backer Rod Fire is a fire resistant, mineral wool based backer rod for interior and exterior joints in walls and floors. It is used in combination with SikaHyflex®-250 Sika on Twitter: "Sika® Backer Rod Fire is a fire resistant, mineral wool based backer rod for interior and exterior joints in walls and floors. It is used in combination with SikaHyflex®-250](https://pbs.twimg.com/media/EF88OEQWoAAK2VH.jpg)
Sika on Twitter: "Sika® Backer Rod Fire is a fire resistant, mineral wool based backer rod for interior and exterior joints in walls and floors. It is used in combination with SikaHyflex®-250
![Sika Backer Rod Fire | Fire Resistant Mineral Wool Backer Rod | Sika Limited | Fire and Acoustic Protective Seals Sika Backer Rod Fire | Fire Resistant Mineral Wool Backer Rod | Sika Limited | Fire and Acoustic Protective Seals](https://cdn.sika.com/cdn/Channel/PIM/02-en_GB_Sika-backer-rod-fire-01-1x1_hybrisProductImages.png)
Sika Backer Rod Fire | Fire Resistant Mineral Wool Backer Rod | Sika Limited | Fire and Acoustic Protective Seals
![Amazon.com: SIKA Backer Rod, Gray, Polyethylene Foam, Closed Cell Used to Partially Fill deep Cracks or Joints Before applying sealant, 3/4" Diameter x 20' Long : Industrial & Scientific Amazon.com: SIKA Backer Rod, Gray, Polyethylene Foam, Closed Cell Used to Partially Fill deep Cracks or Joints Before applying sealant, 3/4" Diameter x 20' Long : Industrial & Scientific](https://m.media-amazon.com/images/I/7118egiW+gL.jpg)
Amazon.com: SIKA Backer Rod, Gray, Polyethylene Foam, Closed Cell Used to Partially Fill deep Cracks or Joints Before applying sealant, 3/4" Diameter x 20' Long : Industrial & Scientific
![Amazon.com: SIKA Backer Rod, Gray, Polyethylene Foam, Closed Cell Used to Partially Fill deep Cracks or Joints Before applying sealant, 3/4" Diameter x 20' Long : Industrial & Scientific Amazon.com: SIKA Backer Rod, Gray, Polyethylene Foam, Closed Cell Used to Partially Fill deep Cracks or Joints Before applying sealant, 3/4" Diameter x 20' Long : Industrial & Scientific](https://m.media-amazon.com/images/I/71TY0Jo9gQL.jpg)
Amazon.com: SIKA Backer Rod, Gray, Polyethylene Foam, Closed Cell Used to Partially Fill deep Cracks or Joints Before applying sealant, 3/4" Diameter x 20' Long : Industrial & Scientific
![Sika Backer Rod Fire | Fire Resistant Mineral Wool Backer Rod | Sika Limited | Fire and Acoustic Protective Seals Sika Backer Rod Fire | Fire Resistant Mineral Wool Backer Rod | Sika Limited | Fire and Acoustic Protective Seals](https://cdn.sika.com/cdn/Channel/PIM/02-GB-backerrod-fire-02_hybrisProductImages.png)
Sika Backer Rod Fire | Fire Resistant Mineral Wool Backer Rod | Sika Limited | Fire and Acoustic Protective Seals
![Sika Backer Rod Fire | Fire Resistant Mineral Wool Backer Rod | Sika Limited | Fire and Acoustic Protective Seals Sika Backer Rod Fire | Fire Resistant Mineral Wool Backer Rod | Sika Limited | Fire and Acoustic Protective Seals](https://cdn.sika.com/cdn/Channel/PIM/GB-Linear-seals-application-01_hybrisProductImages.png)