Page 389 - Construction Waterproofing Handbook

REMEDIAL WATERPROOFING 8.49

FIGURE 8.54 Repairs being made to failed EIFS residential project.

FIGURE 8.55 Using silicone sealant and bond breaker tape to repair sealant joint in an
EIFS system. (Courtesy of Dow Corning)

The remedial repairs of an existing EIFS barrier system must facilitate restoration of the
envelope barrier to prevent all water and moisture transmission through the installed sys-
tem, since there is no method to redirect entering water back to the exterior.
Repairs to water-managed EIFS systems also should have a goal to completely elim-
inate water infiltration using the techniques described for barrier systems. However, the
first step should be to verify that the existing drainage systems are functioning, and that
repairs are made wherever necessary before commencing other repairs. These systems
can divert small amounts of water infiltration, as described in Chap. 3. However, failed
or improperly installed termination and transition detailing will contribute leakage that
exceeds the capability of the divertor systems or completely bypasses these systems and
enters interior space.