Allows Easy Control of Sealant Application Thickness Won't Adhere to Sealants.
Closed Cell Backer Rod is a round, flexible, polyethylene foam.
used as a thickness control device for elastomeric and other cold-applied sealants.
Great for crafts - all sizes are approximate - Shade of Grey will vary
Grey
Single 2.5 inch Diameter Backer Rod and Craft Foam in Grey. Allows Easy Control of Sealant Application Thickness Won't Adhere to Sealants. Closed Cell Backer Rod is a round, flexible, polyethylene foam. This is also used as a thickness control device for elastomeric and other cold-applied sealants. Great for many crafts too!. Safe and non-toxic.
