Once the filler is ready, it must be securely anchored inside the joint to prevent displacement. Backer rods or adhesive sealants will often be accustomed to keep the filler set up, especially in deeper joints. By way of example, a ½-inch backer rod could be placed in the joint’s base https://andersonfzsmi.blogmazing.com/38300783/about-pressure-balanced-expansion-joint