How to Replace a Damaged Expansion Joint with Belzona 4521

In this video, we demonstrate an #expansionjoint replacement with Belzona 4521. #Belzona4521 is an elastomeric fluid designed for the repairs and replacement of building and expansion joints. How-to step-by-step guidelines: 1. Remove any existing joint sealants and a backer rod. The saturated joint filler should also be removed. 2. Using a concrete edge grinder, scarify […]