McMaster-Carr logo
    Filter by
    For Maximum Joint Width
    Foam Cell Type
    Cell Type
    U.S.–Mexico–Canada Agreement (USMCA) Qualifying
    DFARS Specialty Metals
    Export Control Classification Number (ECCN)
    Industrial Info Snippet
    Maximum Temperature
    Minimum Temperature
    Forward
    Enter e-mail addresses in the fields below
    Message
    Cancel
    Print
    How can we improve?
    Comments
    E-mail address (if you would like a response)
    3 Products
    About Sealants
    industrial info icon

    Select a sealant that can stretch, contract, and expand enough for your joints.

    Backer Rods

    Image of ProductInUse. Front orientation. Backer Rods.
    Image of Product. Front orientation. Backer Rods.
    Image of Attribute. Front orientation. Contains Annotated, Border.
    Provide support for sealants in gaps—insert these backer rods into gaps and fill in with sealant.
    Closed-Cell Foam—Closed-cell backer rods restrict moisture from being absorbed. Use them with joints that have wide, even spaces.
    Cross-Linked Polyethylene Foam—Cross-linked polyethylene backer rods can be used with tar, asphalt, cement, and other hot-pour sealants.
    For Max.
    Joint Wd.
    Dia.
    Lg.,
    yd.
    Min.
    Temp.
    Max. Temp.,
    ° F
    Color
    Each
    Closed-Cell Polyethylene Foam
    15/16"1 1/4"16-45° F160Black77605T116000000
    15/16"1 1/4"133-45° F160Black77605T117000000
     
    Closed-Cell Cross-Linked Polyethylene Foam
    1"1 1/4"133Not Rated390Beige77605T107000000
     
    back to top