Once the filler is prepared, it should be securely anchored within the joint to prevent displacement. Backer rods or adhesive sealants in many cases are used to hold the filler set up, particularly in further joints. As an example, a ½-inch backer rod could be put at the joint’s base https://howdoiselecttherightexpan35791.blogitright.com/39776377/the-basic-principles-of-axial-expansion-joint