After the filler is prepared, it should be securely anchored inside the joint to prevent displacement. Backer rods or adhesive sealants in many cases are used to keep the filler in place, notably in further joints. For example, a ½-inch backer rod may be placed with the joint’s foundation to https://rubber-expansion-joint-fo94715.humor-blog.com/38080898/axial-expansion-joint-diagram-things-to-know-before-you-buy