Backer Rod
Standard Backer Rod
Sandell's Standard Backer Rob closed cell polyethylene foam is a round, low density, insulation, non-absorbent back up material used to control sealant depth. This product is most commonly used in glazing operations, windows, doors, curtain walls, partitions, log home chinking, pavement joints, expansion joints, pre-cast units, isolation joints and copings. Sandell's Standard Backer Rod has a skin-like outer texture that is moisture resistant. Most importantly, sealant will not adhere to Sandell's Standard Backer Rod, therefore no bond breaker is required. It is highly flexible and has the ability to be compressed for easy installation.
Common sizes include, but are not limited to: 1/4” to 4”. All sizes can be customized, depending on the necessary requirements for Sandell's Standard Backer Rod. The product is gray in color and is available in a wide range or diameters.
Open Cell Backer Rod
Sandell's Open Cell Backer Rob is a soft, pliable, round open cell back up material used in expansion and contraction joint. It serves as a backing for elastometric and other applied caulking sealants. Sandell's Open Cell Backer Rob controls the depth and the amount of sealant that is required in an application. It is particularly suited for specialty applications where standard back rod is not recommended. It is most commonly used in concrete and pre-cast concrete walls, floors, partitions, bridge construction, parking decks, curtain walls, glazing, log home construction, highway and pavement maintenance. The products unique composition can conform to any temperature and allows both, hot or cold installations. The dynamic inert chemical properties associated with the product, allow it to resist oil, gasoline, and most solvents effortlessly. Having been composed with an open cell design, air is allowed to pass through both sides of the sealant more rapidly for a uniform cure. For this reason it is not recommended for use in floor joints with self leveling sealants, or in high traffic areas, where additional support is required. Sandell's Open Cell Backer Rob structure also eliminated the out gassing and cold flow problems often associated with closed cell polyethylene backer rods.
Common sizes include, but are not limited to: 3/8”, 5/8”, 7/8”, 1-1/8”, 1-1/2”, & 2”. All sizes can be customized depending on the necessary requirements for Sandell’s Open Cell Backer Rod. This product is canary yellow or black in color and is available in a wide range of diameters.