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- The backer rod acts as a barrier between the sealant and the joint surfaces, preventing three-sided adhesion. This technique simplifies future maintenance as it allows for easy removal and replacement of old sealant without damaging or adhering to the joint substrates.
metrosealant.com/when-to-use-backer-rod-a-comprehensive-guide/When to Use Backer Rod: A Comprehensive Guide - metrosealant
SOF® Rod is a soft bi-cellular polyethylene foam backer rod used in concrete construction. It is comprised of both open and closed cells that will not out-gas when skin is ruptured and prevents sealant bubbling and failure. PERFORMANCE SOF Rod has an outer skin and resilient interior network of cells and helps cold-applied sealants
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Backer Rod forms a proper bond between the back-up material and the sealant. It can also be used as a temporary joint seal. Commonly used for glazing operations, window and door applications, expansion joints, curtain wall joints, partitions, log construction or pavement joints.
PU Backer rod is used in non-mechanical joints, or joints unexposed to water (for example façade joints). PE Backer rod is used in mechanical or joints exposed to water.
Most suitable backer rods are: • Zwaluw PU Backer rod (open cells) • Zwaluw PE Backer rod (closed cells) The rounded shape of the foam creates a good dimension of the joint. Relatively large bonding surface compared to the thinner layer in the middle of the sealant-joint. PU Backer rod is used in
SOF® Rod is a soft, bi-cellular polyethylene foam backer rod. It is made up of a non-absorbing outer skin and a highly resilient interior network of open and closed cells. SOF Rod will not out-gas when the skin is ruptured and prevents sealant bubbling and failure. The cells are not holding air under pressure and will
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LAMBCO® BACKER ROD is a polyethylene-based closed-cell backing material manufactured for joints and areas requiring filler material on construction projects.
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Backer Rod Is an extruded round closed cell low density polyethylene foam backer rod with a skin-like outer texture. It is highly flexible and compressible for easy installations. It is a non abosorbative back up material that can be inserted into a joint to control sealant depth and to create a temporary seal. FEATURES: - Allows proper sealant ...
