Curtain Wall Cladding Joint Connections
The size of the joint chosen on your project should be carefully considered.
Easi-Set recommends a minimum nominal joint size of ¾ -inch, to account
for production and erection tolerances and to help ensure a long lasting,
watertight panel joint. Joints detailed less than ¾-inch can, in some
instances, result in actual panel joints smaller than caulk sub-contractors
cover under warranty. It’s important
to maintain a ¾ -inch joint between
the precast and the window system for the very same reason. Also, it is strongly
recommended that the caulk
joints be inspected at regular intervals over time to ensure that degradation
of the caulk has not occurred. Your
Easi-Set sales team will provide specific maintenance guidelines to
help assist you.
When selecting accent reveals or rustication lines, it’s
important to tie them in to the chosen joint size. Triangular
reveals are not to be used because they are difficult to affix to the forms.
Instead, a trapezoidal reveal will provide
a flat nailing surface for the form builders and help minimize possible nail-hole
irregularities. When choosing a
reveal, limit the depth to 3/8-inch. This is to maintain a minimum effective
concrete thickness of 1-5/8-inches
at all locations. See also Drawing Details A-1 and A-6 in the Typical
more information relating to joints and reveals.