Page 417 - Construction Waterproofing Handbook

THE BUILDING ENVELOPE: PUTTING IT ALL TOGETHER 10.19

FIGURE 10.19 Sealant joints used for transition detailing. (Courtesy of Bonsal)

Control joints provide terminations or transitions that use sealants to seal and waterproof
a joint. Common control joints include joints between dissimilar products, transitions
between vertical and horizontal junctures, and equipment protrusions such as plumbing,
electrical piping, lighting equipment, and sign supports as shown in Figs. 10.20 and 10.21.
Sealants are commonly used as termination detailing for a variety of envelope compo-
nents. Figure 10.22 shows sealant used as terminating the above-grade masonry at the
counterflashing to the below-grade waterproofing. Figure 10.23 details the termination of
an EIFS system at grade to the concrete foundation using a sealant cant, with the manu-
facturer specifying the required bond breaker tape to ensure that the sealant performs