Once the filler is prepared, it have to be securely anchored in the joint to stop displacement. Backer rods or adhesive sealants in many cases are used to maintain the filler in position, particularly in further joints. For instance, a ½-inch backer rod might be placed for the joint’s base https://rubberexpansionjointforhv82479.blogdomago.com/37856940/hvac-expansion-joint-no-further-a-mystery