Once the filler is prepared, it has to be securely anchored throughout the joint to stop displacement. Backer rods or adhesive sealants are often accustomed to maintain the filler set up, particularly in deeper joints. One example is, a ½-inch backer rod might be put at the joint’s base to https://pipe-expansion-joint57913.like-blogs.com/39246158/the-fact-about-what-is-a-piping-expansion-joint-that-no-one-is-suggesting