Concrete penetrations or transitions to wood framed walls

One of the most challenging waterproofing conditions to be found in multifamily construction is the concrete curb wall or parapet wall to wood framed wall transition. In the sequence below you can see how we used Butyl tape and cleverly peeled the Densglass fiberglass layer under the hot applied rubber to ensure that the rubber lapped over the WRB below. This sequence throughly protects the juncture.