Tremco Dymonic FC is a durable, flexible, sealant that offers excellent performance in
moving joints and exhibits tenacious adhesion once fully cured. Typical
applications for Dymonic FC include expansion and control joints, precast
concrete panel joints, perimeter caulking (windows, door, panels), EIFS,
aluminum, masonry and vinyl siding
Dymonic Caulk will not crack like many other sealants as it actually moves with the joint.