When the filler is ready, it has to be securely anchored inside the joint to forestall displacement. Backer rods or adhesive sealants are often used to hold the filler in place, particularly in further joints. Such as, a ½-inch backer rod can be put for the joint’s base to provide https://metalvsrubberexpansionjoi03468.blogscribble.com/39663070/hvac-expansion-joint-no-further-a-mystery